TKRJ- electronic thermal relay calibration is mainly used for setting and calibration of various thermal relays and motor protection devices. Because of its reasonable design convenient operation and high output power it is widely used in electric test sites of power system railway petrochemical metallurgical and mining enterprises. 1. It can output three-phase 0-500a current at the same time. 2. It can synchronously test the action time of thermal relay thermocouple and motor protector. 3. Normally open and normally closed contact detection. 4. Several calibrations can be connected in series at the same time to improve working efficiency. Product Parameter
> Waterproof, conforms to IP66 > One relay, 2000 users, standalone > Card type: 125KHz EM card only > Working temperature: -40 oC ~ 60 oC (-40 oF ~ 140 oF) > Pulse mode, toggle mode > Built in LDR for anti tamper > Card block enrolment > Easy for programming by master cards and remote control > Easy for install, 6 wires only
Our featured products automatic transfer switch, circuit breaker, contactor, pilot light,relay, SPD, etc. with solid quality and considerable price and could equip them with enclosure. T91 Miniature PCB Relay General Purpose Relay Model: HHC67F(T91) Dimension (mm): 32.5 27.5 27.5 Contact Contact form: 1A,1B,1C Contact Rated load: 30A,40A 240VAC/28VDC Contact Material: Silver alloy Contact Electrical life: 105 time Pick-up voltage (23 ºC) DC: 75% Rated voltage Pick-up voltage (23 ºC) AC: 80% Rated voltage Release voltage (23 ºC) DC: 10% Rated voltage Release voltage (23 ºC) AC: 30% Rated voltage Coil voltage DC: DC3V-110V Coil voltage AC: AC6V-240V Coil power: DC:0.93W AC:1.2VA Operate / Release time: 15ms / 10ms
Pt14-0 Pyp-1 Ptp-1-3 Ptp-1 Ptp-10 Ptp-12 Pyp-18 Mk2p-i-220vac Mk2p-i-12vdc Mk2p-i-24vdc Mk2p-i-48vdc Mk2p-i-110vdc Mk2p-s-220vac Mk2p-s-12vdc Mk2p-s-24vdc Mk2p-s-48vdc Mk2p-s-110vdc Mk3p-i-220vac Mk3p-i-12vdc Mk3p-i-24vdc Mk3p-i-48vdc Mk3p-i-110vdc Mk2p-i Mk2p-s Mk3p-5-i Mk3p-5-s Pl08 Ple08-0 Pl08-q Pl11 Ple11-0 Pl11-q G8h-1a7t-12vdc G8h-1a7t-24vdc G8h-1a7t-r-5vdc G8h-1a7t-r-12vdc G8h-1a7t-r-24vdc G8h-1c7t-5vdc G8h-1c7t-12vdc G8h-1c7t-24vdc G8h-1c7t-r-5vdc G8h-1c7t-r-12vdc G8h-1c7t-r-24vdc G8h-1a7p-5vdc G8h-1a7p-12vdc G8h-1a7p-24vdc G8h-1a7p-r-5vdc G8h-1a7p-r-12vdc G8h-1a7p-r-24vdc G8h-1c7p-5vdc G8h-1c7p-12vdc G8h-1c7p-24vdc G8h-1c7p-r-5vdc G8h-1c7p-r-12vdc G8h-1c7p-r-24vdc G8h-1a4p-5vdc G8h-1a4p-12vdc G8h-1a4p-24vdc G8h-1a4p-r-5vdc G8h-1a4p-r-12vdc G8h-1a4p-r-24vdc G8h-1c4p-5vdc G8h-1c4p-12vdc G8h-1c4p-24vdc G8h-1c4p-r-5vdc G8h-1c4p-r-12vdc G8h-1c4p-r-24vdc G8hl-1a2t-r-12vdc G8hl-1a4t-r-12vdc G8hl-1a4p-12vdc G8hn-1a2t-r-12vdc G8hn-1a2t-h62-r-12vdc G8hn-1c2t-r-12vdc G8hn-1a2t-rj-12vdc G8hn-1a2t-rj-24vdc G8hn-1a2t-dj-12vdc G8hn-1a2t-dj-24vdc G8hn-1c2t-rj-12vdc G8hn-1c2t-rj-24vdc G8hn-1c2t-dj-12vdc G8hn-1c2t-dj-24vdc G8hn-1a2t-rh-12vdc G8hn-1a2t-dh-12vdc G8hn-1c2t-dh-12vdc G8hn-1c2t-rh-12vdc G8hn-1a4t-rj-12vdc G8hn-1a4t-rj-24vdc G8hn-1a4t-dj-12vdc G8hn-1a4t-dj-24vdc G8hn-1c4t-rj-12vdc G8hn-1c4t-rj-24vdc G8hn-1c4t-dj-12vdc G8hn-1c4t-dj-24vdc G8hn-1a4t-rh-12vdc G8hn-1adh-12vdc B3w-1000 B3w-110
Contact Form 1C 2C 3C Contact Material AgCdO Contact Resistance 100m|(1A 6VDC) Contact Load¡ê¡§resistive load) 1C: 15A 250VAC/30VDC 2C 3C: 10A 250VAC/30VDC Max.Switching Voltage 250VAC/30VDC Max.Rated Switching Current¡ê¡§Resistive Load) 15A(1C) 10A(2C 3C) Max.Switching Power 3750VA/450W Mechanical Endurance min 1107ops Electrical Endurance min 1105ops 500PCS/CARTON 17KGS
Flyin Optronics Coarse wavelength division multiplexer (CWDM Mux/Demux) utilizes thin film coating technology and proprietary design of non-flux metal bonding micro optics packaging. It provides low insertion loss, high channel isolation, wide pass band, low temperature sensitivity and epoxy free optical path. Channel Spacing CWDM Gird Number of Channels 4 8 16 18 N Configuration Mux Demux OADM Fiber Type Bare fiber 900um loose tube 2mm cable 3mm cable Fiber Length 1m 2m Specify Connector None FC/APC FC/PC SC/APC SC/PC ST LC Specify Multi-Number of Channels 1270nm1290nm1310nm1330nm1350nm1370nm1390nm1410nm1430nm1450nm1470nm1490nm1510nm1530nm1550nm1570nm1590nm1610nmSpecify Features Applications Low Insertion Loss Line monitoring Wide pass band WDM network High channel Telecommunication High stability and reliability Cellular application Epoxy free on optical path Fiber optical amplifier Access network Performance Specifications Parameter 4 Channel 8 Channel 16 Channel 18 Channel Mux Demux Mux Demux Mux Demux Mux Demux Channel Wavelength nm 1270~1610 or 1271~1611 Center wavelength Accuracy (nm) ±0.5 Channel Spacing nm 20 Channel Passband (@-0.5dB bandwidth (nm) ±7.5/ ±6.5 Insertion Loss dB 1.5 2.5 3.5 3.5 Channel Uniformity dB 0.6 1.0 1.5 1.5 Channel Ripple dB 0.3 Isolation dB Adjacent 30 Non-adjacent 40 Isolation dB Express with filter 30 Express without filter 12 Insertion Loss Temperature Sensitivity(dB/)
Product Introduction JWJXC-H125/0.44 stepless enhanced contact slow release relay is an important component in interlocking equipment and the main equipment to ensure the safe operation of the system. The signal relay can control the switching, locking and unlocking of the turnout, and control the opening and Close and so on. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operational services. The automatic control systems in various fields all use relays. Relays are widely used in railway signal technology, called signal relays, which are important components in railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system. Product Usage JW.JXC-H125/0.44. The stepless strengthened contact slow release relay is used as a general relay in the signal circuit. Applicable environment a) Ambient temperature: -40~+60;
Product Usage The JWJXC-7200 type stepless enhanced contact relay is used as a power supply supervisory relay for the electric point machine in the power supply screen of a large station. Product function JWJXC-7200 type stepless enhanced contact relay is a commonly used electrical appliance in automatic control systems. It is used to connect and disconnect circuits, to issue control commands and reflect the status of equipment to form automatic control and remote control circuits. Applicable environment The applicable environment of the relay is: a) Ambient temperature: -40~+60; b) Relative humidity: not more than 90% (temperature +25C); c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken. product structure The electromagnetic system of the stepless strengthened contact relay is a stepless magnetic circuit with an enlarged size. The contact system is composed of two parts: a normal contact and a strong contact. The normal contact is the same as the stepless relay. Switches, switch start, etc.) designed contacts and isolator. Mechanical properties Number of contact groups: 4QJ; 2H Identification pin number: 14, 55; Strengthen the contact gap: not less than 7mm; Ordinary contact gap: not less than 4.5mm; Reinforce the gap of the support plate: generally not less than 0.35mm; Reinforce the gap of the support: the reinforcement is not less than 0.1-0.3mm;
Product Usage The JWJXC2-6800 type enhanced contact relay is used in the distributed power supply screen. Product function It is a commonly used electrical appliance in automatic control systems. It is used to connect and disconnect circuits, to issue control commands and reflect the status of equipment to form automatic control and remote control circuits. Applicable environment The applicable environment of the relay is: a) Ambient temperature: -40~+60 b) Relative humidity: not more than 90% (temperature +25); c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken. test method Standard test conditions Temperature: +15â??~+45â??; Relative humidity: 45%~75% Air pressure: 86kPa~106kPa Requirements for testing measuring tools, meters, and power supply The accuracy of the measuring tool for measuring appearance and installation dimensions should not be less than 0.05mm; the accuracy of the feeler gauge should not be less than level 2; the measurement error of the force measurement should not be greater than 2%. The accuracy of the DC voltmeter and ammeter used for testing should not be less than 0.5, and the accuracy of the AC (50Hz) voltmeter and ammeter should not be less than 1. The power supply voltage should remain stable, and its fluctuation range should not exceed 5%. The DC power supply should be a DC generator, battery or AC full-wave rectifier power supply (except for special regulations, the ripple factor should not be greater than 5%). The waveform of the AC power supply should be a sine wave with a frequency of 50 Hz. Mechanical properties
Product Usage The JYJXC-135/220 type has a pole reinforced contact relay used as a switch control relay in a signal circuit. Applicable environment The applicable environment of the relay is: a) Ambient temperature: -40~+60; b) Relative humidity: not more than 90% (temperature +25C); c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken. Mechanical properties Number of contact groups: 2DF, 2DFJ; Identification pin number: 15, 54; Contact gap: ordinary contact is not less than 4.5mm; reinforced contact is not less than 7mm; Pallet gap: ordinary contact point is not less than 0.35mm; Ordinary contact pressure: the positioning contact is not less than 150mN; the reverse contact is not less than 150mN; Strengthen the contact pressure: the positioning contact is not less than 400mN; the reverse contact is not less than 400mN; Contact uniformity error: between ordinary contacts and ordinary contacts, between ordinary contacts and reinforced contacts, no more than 0.2mm, between reinforced contacts and reinforced contacts, no more than 0.1mm. Positioning or reverse position holding force is not less than 4N;
product description JWXC-7 type infinite relay is a relay widely used in railway signal technology, called signal relay, and it is an important part of railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system. Product Usage The JWXC-7 type infinite relay is used as a general purpose and air-proof step-down relay in the signal circuit. Applicable environment The applicable environment of the relay is: a) Ambient temperature: -40~+60; b) Relative humidity: not more than 90% (temperature +25); c) Air pressure: not less than 70kPa (equivalent to below 3000m above sea level); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken. product structure Infinite relay is the typical structure of AX series relay, which is composed of electromagnetic system and contact system. The electromagnetic system includes coils, iron cores, vehicle irons and armatures. The coil is installed horizontally on the iron core, and is divided into a front coil and a back coil. The use of dual coils is to enhance the flexibility and flexibility of the control circuit, which can be controlled by a single coil or a series of double coils according to the circuit needs. The armature is fixed on the blade of the yoke by a butterfly-shaped steel wire, which is flexible in movement. There is a heavy hammer in the transmission part of the Yantie to ensure that the relay armature returns reliably by gravity. The number of weights installed is determined by the structure of the relay contact system, and should be able to ensure the reliable release of the relay. A stop piece is installed at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit of the relay, prevent the ferromagnetic parts of the magnetic circuit from magnetizing, and ensure that the relay falls reliably. The iron core, vehicle iron and armature of the relay are made of electromagnetic pure iron, which has high magnetic permeability and small remanence.
Product Introduction The JWJXC-160 type stepless enhanced contact relay is an important element in the interlocking equipment and the main equipment to ensure the safe operation of the system. The signal relay can control the switching, locking and unlocking of the switch and the opening and closing of the signal machine. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operation services. The automatic control systems in various fields all use relays. Relays are widely used in railway signal technology, called signal relays, which are important components in railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system. Product Usage The JWJXC-160 type stepless strengthened contact relay is used as a phase-failure supervision relay in the power supply screen. Applicable environment a) Ambient temperature: -40~+60; b) Relative humidity: not more than 90% (temperature +25C); c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken.
Product Introduction The JWJXC-135/135 stepless enhanced relay is an important element in the chain equipment and the main equipment to ensure the safe operation of the system. The signal relay can control the switching, locking and unlocking of the turnout, and the opening and closing of the signal machine. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operation services. The automatic control systems in various fields all use relays. Relays are widely used in railway signal technology, called signal relays, which are important components in railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system. Product function It is a commonly used electrical appliance in automatic control systems. It is used to connect and disconnect circuits, to issue control commands and reflect the status of equipment to form automatic control and remote control circuits. Product Usage JWJXC-135/135. Infinitely enhanced relays (hereinafter referred to as relays) are used as general relays in signal circuits. Applicable environment The applicable environment of the relay is: a) Ambient temperature: -40â??~+60â??; b) Relative humidity: not more than 90% (temperature +25�°C); c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken. Insulation withstand voltage Under the standard atmospheric conditions of the test, the insulation resistance of the relay should not be less than 100MQ. Under the condition that the air pressure is not lower than 86kPa (equivalent to the altitude below 1000m), the insulation withstand voltage of the relay should be able to withstand AC sine wave 50Hz, 2000V rms voltage, there should be no breakdown flashover after 1min, the voltage when repeating the test Should be 75% of the original test voltage value.
Product Introduction JZXC-0.14 type rectifier relay is an important element in interlocking equipment, and is the main equipment to ensure the safe operation of the system. The signal relay can control the switching of the turnout, lock and unlock the way, and control the opening and closing of the signal machine. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operation services. The automatic control systems in various fields all use relays. Relays are widely used in railway signal technology, called signal relays, which are important components in railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system. Product Usage The JZXC-0.14 type rectifier relay is used in the signal circuit for the filament supervision or conversion relay for the electric concentration of small stations and the local power supply in the automatic block section. Features 1. The relay is a heavy elastic rectifier electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized.
Product Usage The JZXC-H18 rectifier slow release relay is used as a filament supervisory relay in the electric centralized lighting circuit. Installation Precautions 1. When installing the relay, make sure that the insulation interval between the sockets is intact, the socket hanging spring is intact, and the socket identification pin is in the correct position and should not be missing. 2. Pay attention to the relative position between the relay and the socket when plugging in the relay to avoid damage to the relay or socket during plugging. 3. When repairing and replacing the relay, first remove the fixed relay spring, and then pull out the relay. Do not use excessive force or shake left and right when pulling it out, as it may damage the relay or socket. Applicable environment a) Ambient temperature: -40~+60; b) Relative humidity: not more than 90% (temperature +25); c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken. Product electrical life The relay contact is connected to DC24V1A resistive load; its electrical life is 1106 times
product description Relays are widely used in railway signal technology, called signal relays, which are important components in railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system. Product Usage JZXC-480F lightning protection rectifier relay is used as AC track and AC accident relay in signal circuit. Product function It is a commonly used electrical appliance in automatic control systems. It is used to connect and disconnect circuits, to issue control commands and reflect the status of equipment to form automatic control and remote control circuits. Applicable environment a) Ambient temperature: -40â??~+60â??; b) Relative humidity: not more than 90% (temperature +25�°C); c) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken. Mechanical properties Number of contact groups: 4QH; 2Q Identification pin number: 13, 55; Contact gap: not less than 1.3mm; Pallet gap: not less than 0.35mm; Contact pressure: the dynamic contact point is not less than 250mN; the dynamic disconnection point is not less than 150mN; Contact uniformity error: not more than 0.20mm.
Product Usage The JZJXC-100 type rectifier strengthened contact relay is used as a power supply supervisory relay for the indicator light in the power supply screen. Applicable environment a) Ambient temperature: -40~+60 b) Relative humidity: not more than 90% (temperature +25C); C) Air pressure: not less than 70kPa (equivalent to an altitude below 3000m); d) Vibration: the vibration frequency is not more than 15Hz, and the amplitude is not more than 0.45mm; e) Working position: horizontal; f) There should be no harmful gas causing explosion hazard around, and good dust-proof measures should be taken. Mechanical properties Number of contact groups: 4QJ; 2H Identification pin number: 22, 32; Ordinary contact gap: not less than 1.3mm; Strengthen the contact gap: not less than 7mm; Ordinary pallet gap: not less than 0.35mm; Reinforce the gap of the support plate: not less than 0.1-0.3mm; Ordinary contact pressure: dynamic breaking contact is not less than 200mN; Strengthen the contact pressure: the moving and closing contact is not less than 600mN; Contact uniformity error: not more than 0.20mm. Electrical characteristics Rating: AC24V Magnetizing value: AC24V Release value: not less than AC4V Working value: not more than AC11V Coil resistance: 50 (1±10%) Q2 Coils are connected in series, connect 2, 3, use 1, 4
Product Introduction JPXC-1000 biased pole relay is an important component in interlocking equipment and the main equipment to ensure the safe operation of the system. The signal relay can control the switching of the turnout, lock and unlock the way, and control the opening and closing of the signal machine. Relays are widely used in railway signal technology, called signal relays, which are important components in railway signal technology. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. The reliability of the relay action directly affects the reliability and safety of the signal system. Product Usage The JPXC-1000 biased pole relay is designed to identify the polarity of the current in the signal circuit. In the signal circuit, it is used in the turnout indication circuit and the single-multiplex semi-automatic blocking circuit. Features 1. The relay adds a pole-biased magnet to the magnetic circuit, so that the armature is biased to the drop position by the permanent magnetic force. The pull-up of the armature is related to the polarity of the current in the coil. When the current through the coil is in the specified direction, the armature is pulled up, and when the direction of the current is opposite, the armature remains stationary. It only has a stable state, that is, after the armature is sucked up by electromagnetic force, it will fall when the power is cut off, and it will always be in a falling positioning state. 2. The relay is a heavy spring force DC electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is powered off. 3. It adopts silver-silver cadmium oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance. 4. The magnetic circuit adopts electromagnetic pure iron material with small residual magnetism, and installs the stop piece at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the magnetization of the ferromagnetic parts of the magnetic circuit, and ensure the reliable fall of the relay. 5. The relay contact system is composed of ordinary contacts, with 8 groups of ordinary moving on and moving off conversion contacts. 6. The rated voltage of the relay is DC 24V.
Product Introduction JZXC-16/16 is a dedicated multiplexer used to close and open the signal control circuit. It is an important part of railway signals. It plays an important role no matter as the core component of the relay signal system or as the interface component of the electronic or computer signal system. Product Features The JZXC-16/16 (formerly known as JZXC-16F) rectifier relay has a high return coefficient, which is used to automatically block the signal lighting circuit of the interval and solve the problem of large leakage current in long-distance power supply cables and unreliable release of the filament supervision relay. Features 1. The relay is a heavy elastic DC electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized. 2. It adopts silver-silver cadmium oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance. 3. The magnetic circuit adopts electromagnetic pure iron material with small residual magnetism, and a stop piece is installed at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the magnetization of the ferromagnetic parts of the magnetic circuit, and ensure the reliable fall of the relay. 4. The front ring of the relay is a diode-enclosed short-circuit coil, without a rectifier unit, and the AC power supply is directly connected to the coil, which has a certain anti-lightning function. 5. The relay contact system consists of common contacts, with four groups of common contacts for switching on and off. 6. The relay should be used in conjunction with the isolation transformer to adjust the system current to ensure the reliable operation and release of the relay, and to ensure that the lamp terminal voltage meets the sp
Product Introduction The JZXC-H18F rectifier slow release relay is an important component in the interlocking equipment and the main equipment to ensure the safe operation of the system. The signal relay can control the switching, locking and unlocking of the turnout, and the opening and closing of the signal machine. Its reliability, availability, maintainability and the entire sauna line are the keys to the safety of railway transportation and operational services. The automatic control systems in various fields all use relays. Product Usage The JZXC-H18F rectifier slow release relay is used as a filament supervisory relay in the electric centralized lighting circuit. Features 1. The relay is a heavy elastic DC electromagnetic relay, which uses the principle of "constant gravity" to force the moving and closing contacts to open when the coil is de-energized. 2. The use of silver-silver oxidation requires contacts, which has the characteristics of strong anti-adhesion and low contact resistance. 3. The magnetic circuit adopts electromagnetic pure iron material with small residual magnetism, and installs the stop piece at the closed position of the armature and the iron core to ensure the minimum air gap of the magnetic circuit, prevent the ferromagnetic parts of the magnetic circuit from magnetization, and ensure the reliable fall of the relay. 4. The relay is a new product improved on the basis of the JZXC-H18 rectifier relay. The relay has no rectifier unit, and the AC power supply is directly connected to the coil, which has a certain anti-lightning function. The wiring terminal of the relay is exactly the same as the JZXC-H18 rectifier relay, so it is interchangeable, and there is no need to change the wiring on site. 5. The relay contact system consists of common contacts, with four groups of common contacts for switching on and off. 6. The relay should be used in conjunction with the isolation transformer to adjust the system current to ensure the reliable operation and release of the relay, and to ensure that the lamp terminal voltage meets the specified adjustment range.
