product name
AC filament conversion relay: JZSJC2 product usage
JZSJC2 AC Filament Conversion Relay is suitable for railway signal lighting circuit. When the main filament of the 12V, 25w dual-filament signal bulb is broken, the auxiliary filament will be lit through a set of movable break contacts to realize the conversion of the main and auxiliary filaments. , And alarm through another set of contacts.
Applicable environment
a) Temperature: -40~+60;
b) Air pressure: not less than 70kPa (equivalent to 3000m above sea level);
c) Relative humidity: not more than 90% (temperature -25C);
d) Vibration: frequency 5H2~2H2, displacement amplitude not greater than 1mm, frequency 22H2-50H2, acceleration amplitude not greater than 20m/s2;
e) There should be no harmful gas causing explosion hazard around, and dust-proof measures should be taken.
Mechanical properties
Contact gap: not less than 0.8mm;
Dynamic contact pressure: not less than 150mN;
Dynamic breaking contact pressure: not less than 150mN;
Contact uniformity error: not more than 0.1mm;
The joints are formed together: not less than 0.1mm.
Electrical characteristics
Rated current: 2.1AAC;
Working value: not more than 1.5AAC;
Release value: not less than 0.5AAC;
Contact resistance: no more than 0.052
Insulation resistance
The temperature of the relay and socket is 15C~35, the relative humidity is 45%~80%, and the insulation resistance should not be less than 100M.
product name AC filament conversion relay: JZSJC2 product usage JZSJC2 AC Filament Conversion Relay is suitable for railway signal lighting circuit. When the main filament of the 12V, 25w dual-filament signal bulb is broken, the auxiliary filament will be lit through a set of movable break contacts to realize the conversion of the main and auxiliary filaments. , And alarm through another set of contacts. Applicable environment a) Temperature: -40~+60; b) Air pressure: not less than 70kPa (equivalent to 3000m above sea level); c) Relative humidity: not more than 90% (temperature -25C); d) Vibration: frequency 5H2~2H2, displacement amplitude not greater than 1mm, frequency 22H2-50H2, acceleration amplitude not greater than 20m/s2; e) There should be no harmful gas causing explosion hazard around, and dust-proof measures should be taken. Mechanical properties Contact gap: not less than 0.8mm; Dynamic contact pressure: not less than 150mN; Dynamic breaking contact pressure: not less than 150mN; Contact uniformity error: not more than 0.1mm; The joints are formed together: not less than 0.1mm. Electrical characteristics Rated current: 2.1AAC; Working value: not more than 1.5AAC; Release value: not less than 0.5AAC; Contact resistance: no more than 0.052 Insulation resistance The temperature of the relay and socket is 15C~35â??, the relative humidity is 45%~80%, and the insulation resistance should not be less than 100M�©. Insulation withstand voltage Between the coil winding and other parts of the relay, the insulation withstand voltage between each contact and the contact and the ground should be able to withstand AC sine wave 50Hz, 1000V effective value voltage for 1Min, there should be no breakdown or flashover. Product electrical life Wei Electric implements broken wire conversion according to the lighting circuit, 15 to 20 actions per minute, and its electrical life is not less than 3*105 test method Requirements for test satellites, meters, and power supplies The accuracy of the measuring gauge should not be less than 0.02mm; The accuracy of the feeler gauge should not be lower than level 2; The measurement error of the dynamometer should not be greater than 2%; The accuracy of the AC ammeter used for testing should not be lower than level 1; The power supply voltage fluctuation range should not exceed 5%, the waveform is a sine wave, and the frequency is 50�±1Hz. Characteristic test The electrical characteristics test circuit of the relay is shown in the figure below.
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Product Usage The JC type AC relay is used as a buck-boost control relay, a signal switch track power supply supervisory relay, and a main screen and a backup screen conversion relay in the power supply screen. Can replace JZXC-20000 rectifier relay. Features 1. The relay is an AC 220V heavy spring force electromagnetic relay with reinforced contacts. 2. The relay magnetic system is a clap-on AC magnetic system, which is composed of an iron core, a coil and an armature. 3. It adopts silver-silver oxide contact, which has the characteristics of strong anti-adhesion and low contact resistance. 4. The contact system is composed of ordinary contacts. There are four groups of moving on and off conversion ordinary contacts and two groups of moving and closing ordinary contacts. The structure of the ordinary contacts is the same as that of a non-polar relay. 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. Dimensions
Triac based ssr Used in control pannel for controlling heater It is generally used in plastic, rubber, pharma, chemical, paper industries 10pecs 48mm*48mm*30mm
Product Introduction The JJJC7 AC 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 turnout, and 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 JJC7 AC enhanced contact relay is used in the distributed power supply screen. Features 1. The JJJC7 type relay is an AC 220V heavy spring force type reinforced contact electromagnetic relay. 2. The relay magnetic system is a clap-on AC magnetic system, which is composed of an iron core, a coil and an armature. 3. The use of silver-silver oxidation requires contacts, which has the characteristics of strong anti-adhesion and low contact resistance. 4. The relay contact system consists of two parts: ordinary contacts and enhanced contacts. There are two groups of moving on and off switching ordinary contacts; the two sets of moving on and off switching enhanced contacts, the structure of the ordinary contacts is the same as the stepless relay, and the strengthened contacts Specially designed high-power contacts. 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. Insulation withstand voltage Under the standard atmospheric conditions of the test, the absolute 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.