? Round shape with no air gaps ? Uniform primary and secondary windings locked in the magnetic field makes these transformers very quiet and efficient. ? Compact designing, efficiency, quiet and safer ? Smaller dimensions, lighter weight, and low stray magnetic fields We specialize in manufacturing of above products as per customer specifications. Carton in pallet
toroidal transformer from 20va to 25KVA IN carton
Model NO.: 50VA-5000VA GWB140321 Usage: Single-phase Transformer Frequency Characteristics: Power Frequency Shape of Core: Ring Brand: Grewin Toroidal Transformer Power: 50va-5000va: Universal Purpose Low No-Load Losses: Low Mechanical Hum Low Magnetic Leakage: High Efficiency Power Factor: 0.9 to 0.98: Encapsulated by Iron Shell: CE, RoHS, SGS, Cesi a Horizontal: Sunk, Side Type, and Bridge: Phase: Single Brand Name: Gw: Place of Origin: Tianjin, China (Mainland) Trademark: Grewin Toroidal Transformer Transport Package: Carton Specification: CE, RoHS, SGS, CESI and ISO9001 Origin: Tianjin HS Code: 85043190
1. Technical parameters. Toroidal Transformer I Power Thermal Fuse Current Fuse Dimension (mm) Approval Mark GWB25VA 135 ºC 250V 2A 250V T 2A 80*35 CE UL TUV CQC GWB30VA 135 ºC 250V 2A 250V T 2A 83*35 CE UL TUV CQC GWB40VA 135 ºC 250V 2A 250V T 2A 87*35 CE UL TUV CQC GWB50VA 135 ºC 250V 2A 250V T 2A 93*34 CE UL TUV CQC GWB60VA 135 ºC 250V 2A 250V T 2A 93*35 CE UL TUV CQC GWB80VA 135 ºC 250V 2A 250V T 2A 102*35 CE UL TUV CQC GWB105VA 135 ºC 250V 2A 250V T 2A 114*38 CE UL TUV CQC GWB120VA 135 ºC 250V 2A 250V T 2A 113*41 CE UL TUV CQC GWB140VA 135 ºC 250V 2A 250V T 2A 114*42 CE UL TUV CQC GWB150VA 135 ºC 250V 2A 250V T 2A 117*43 CE UL TUV CQC GWB160VA 135 ºC 250V 5A 250V T 5A 120*43 CE UL TUV CQC GWB180VA 135 ºC 250V 5A 250V T 5A 125*42 CE UL TUV CQC GWB200VA 135 ºC 250V 5A 250V T 5A 124*49 CE UL TUV CQC GWB220VA 135 ºC 250V 5A 250V T 5A 127*50 CE UL TUV CQC GWB240VA 135 ºC 250V 5A 250V T 5A 129*48 CE UL TUV CQC GWB250VA 135 ºC 250V 5A 250V T 5A 130*52 CE UL TUV CQC GWB260VA 135 ºC 250V 5A 250V T 5A 130*53 CE UL TUV CQC GWB280VA 135 ºC 250V 5A 250V T 5A 138*45 CE UL TUV CQC GWB300VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC GWB320VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC GWB340VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC GWB360VA 135 ºC 250V 5A 250V T 10A 142*55 CE UL TUV CQC GWB380VA 135 ºC 250V 5A 250V T 10A 146*54 CE UL TUV CQC GWB400VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC GWB420VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC GWB440VA 135 ºC 250V 5A 250V T 10A 148*60 CE UL TUV CQC GWB460VA 135 ºC 250V 5A 250V T 10A 149*64 CE UL TUV CQC GWB480VA 135 ºC 250V 5A 250V T 10A 153*59 CE UL TUV CQC GWB500VA 135 ºC 250V 5A 250V T 10A 155*62 CE UL TUV CQC 2. We have attained VDE,UL,CE,ISO9000 approval .we guarantee quality is the first. Test process 1 .No-load test (included no-load voltage,no load current and no load loss) 2.iInductive voltage test 3. Load test (load voltage and temperature rise 4. Temperature rise test . 5.Insulated resistance 6.Hi-pot test 7.Leakage inductance test 8.DC resistance test 9.Surface inspection. 3.customized audio toroidal transformer and solar energy transformer Application: 220V 24V Toroidal Power Transformer 1). Application: 1. audio equipment 2. electric control 3. computer 4. solar device 5.telecommunications 6.high-end and middle-end vedio etc 2). Advantages: 1.High quality 100% copper core 2.a full range of toroidal transformer 3.Specially sales and technical services:5-10Years 4.With 14 years' producing history in transformer industry 5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.
24v 12v Power Toroidal Transformer (Click here for Customized Design And Interactive Design Service) Single-phase toroidal transformers, power range from 20VA to 5000VA. Designed and tested according to EN61558. Suitable for installation in electronically equipment. Designed as a safety isolating transformer with separate insulated windings and prepared for class II equipment. Short circuit and overload protected with thermal fuse on primary side. Up to 50% less weight than a similar conventional transformer. Low magnetisation currents and no-load losses. Applications: Suitable as safety isolating transformer in constructions where low weight, flexible dimensions and optimum conditions between dimensions are preferable. Technical specifications Input voltage: Customized Frequency: 50-60Hz Output voltage: Customized According to: EN61558 Test/insulating voltage: 4kV AC RMS Construction class: II In carton
Power range:1000va-6000va Phase:single/three phase Input/output:customized Insulation class:class e, b, f, h (optional) Isolation:3.75kv(hi-pot) Operating frequency:50/60hz Approval:ul.Ce.Rohs.Cqc According to the request by our customers
Power range:1000va-6000va 4.Low noise 5.Low loss 6.Light weight 7.High reliability 8.Flexible connection 9.Good insulation 10.Small size 11.Easy mounting 12. Approval:ul/ce/rohs/cqc
Name: Grewin 12v 24v Toroidal Transformer Ring type Transformer 100va 200va 1.We have abtained VDE,UL,CE,ROHS,ISO9000 Approal and SGS Audit Supplier in China,We guarantee quality is the first: The dimension of the toroidal transformers: The Partial List of GW-B Series Toroidal Transformers with Cable and Mounting Holes: A. 1. Installation: Horizontal (non-conventional-type base plate), sunk, side type, and bridge. 2.Application: Especially low-hum and low-dispersing construction Low-level of induction High-grade design casing possible Statically shield winding and magnetical shield winding optional . Be used widely such as audio equipment,communication,new energy areas,Electrical control,Cable TV network etc. 3.Equipment: Over 50 sets toroidal/annular/ ring coil winding machines, 3 EI type transformer lines, 2 sets of vacuum annealing furnaces, A set of nitrogen and hydrogen production equipment as below: . Automatic Winding Machine . Semi-automatic Winding Machine . Toroidal Winding Machine . Insert Lamination Machine . Wave Soldering Machine . Plastic Termal Ultraviolet Machine . Domino Ink Jet Printing Machine Transformer Multitester for High & Low Frequency Layer Insulation Withstand Voltage Tester 4.Certificate The certificate of our transformer has CE CQC RoHs UL B.Dual 110V Power Transformer: For the international market request, these types of the GREWIN Transformers are designed into dual primaries for 110V. No matter what about your local voltage is 110V or 220V, you should use them. Below are the methods for using: 1. If you are using 110VAC(such as Taiwan, US), Please parallel the two primaries 110V. Please pay attention to the terminals of 110V must be short circuit, and the terminals of 0V must be short circuit. 2.If you are using 220VAC(such as Hongkong, China Mainland, Europe), Please series the two primaries. Please pay attention to one terminals of 0V must be short circuit with another terminals of 110V. CONTACT NAME CARD: 20VA 60 H25 82 10mA 1.20V 0.45kgs 30VA 65 H35 84 10mA 1.20 0.50kgs 50VA 70 H40 88 20mA 1.15 1.30kgs 100VA 85 H60 90 30mA 1.15 1.50kgs 120VA 90 H75 93 40mA 1.10 2.00kgs 200VA 110 H80 93 100mA 1.10 2.80kgs 300VA 120 H80 94 150mA 1.08 3.50kgs 500VA 130 H80 94 150mA 1.08 5.00kgs 800VA 140 H85 94 200mA 1.08 6.50kgs 1000VA 140 H85 95 300mA 1.05 8.50kgs 1500VA 160 H90 95 400mA 1.05 12.0kgs 2000VA 180 H90 95 400mA 1.05 15.0kgs 4000VA 220 H95 95 500mA 1.05 20.0kgs 6000VA 250 H95 95 500mA 1.05 25.0kgs
Model NO.: EI25 Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Iron Core for Transformer Frequency Characteristics: Low Frequency Shape of Core: Customized Brand: No brand Core Material: CRGO Silicon Steel Core Output Voltage: Customers Requirement Input Voltage: Customers Requirement Winding Material: Copper\Aluminum Place of Origin: Guangdong, China (Mainland) Frequency: 50-60Hz Customized: Yes Advantage: Quick Delivery Price: Negotiable Transport Package: Customization Specification: customized
Product Description We produce VRLA/SLA Battery, lead battery, Industrial Battery, 12V/ 6V Battery, Rechargeable Battery, Gel Battery, Deep Cycle Battery, sealed lead acid battery and so on. 12v 7ah backup battery (20hr battery) Valve regulated lead acid series UPS batteries are designed with AGM (Absorbent Glass Mat) technology, high performance plates and electrolyte to gain extra power output for common power backup system applications widely used in the field of UPS, Emergency Lighting System. Battery Structure 1. Container/Cover: Made of UL94HB and LU 94V-0 ABS Plastic 2. Negative Plates: Use the special PbCa alloy grids, optimize the recombination efficiency and less gassing. 3. Separator: Import high quality AGM separator. 4. Postive Plates: PbCa grids minimize corrosion and prolong life. 5. Terminal post: Cooper material with maximum conductivity, enhance the high current rapidly. 6. Vent Valve: Allows the release of excess gas automatically for safety. Power Supply 12V 7ah UPS Backup Battery (20hr battery)
Toroidal Transformers, by meeting today's requirements for smaller, more efficient, quieter and safer products, are being accepted in an increasing range of electronic and electrical equipment With toroidal transformer smaller dimensions, lighter weight and low stray magnetic fields , you can build more compact, lower cost quality products without sacrificing performance. Toroidal has a round shape with no air gaps, and with the primary and secondary windings uniformly distributed around the core, locks in\" the magnetic field and makes the toroidal transformer very quiet and efficient. Toroidal transformers are built around a ring-shaped core, which, depending on operating frequency, is made from a long strip of silicon steel or permalloy wound into a coil, powdered iron, or ferrite core. We make wide range of Toroids based on customer specifications. We provide center potted, plate mounted, clamp mounted and many other types of Toroids on customer specifications. Features High precision winding with Jovil and Ruff machines. High quality M4 27 CRGO core used Class H+ 200 Deg C Dual coat Enameled copper wires used UL approved Center potting provided for better cooling and fixing Tailor made according to customer specs TYCO, PANDUIT and MOLEX connectors and crimps used for UL approved models Custom made parts are designed and developed to meet specific requirements. Standards We follow Indian and UL standards. We can provide UL 5085-1 and 5085-2 We can make our product compatible with all international standards Applications Used medical and audio equipment Used in voltage stabilizers Used in electronics circuits Used in power supply units Used in variacs Used in high precision equipment
Watermenlon peeling machine big size fruit vegetable peeling machine, can peeling more than 20kind fruits/vegetables . Peeling thickness : 1.5-10mm (can adjustable ) Fruit /vegetable diameter : 80-250mm ,high 80-420mm Capacity 500pcs/hour (according to different size the quantity are some different ) Power : 0.8kw 220V Machine size : 1450 900 1700 mm. Welcome order !
Mango peeling -removing seeds -in-one -machine,also can peeling many other kind fruits . Process flowing: automatically complete fruit feeding - fruit fixing - peeling - seeds discharging separation. Technology advantages :The machine has an adaptive function (that is, it can automatically cut mangoes as low as they are high and as thin as they are thick). Paramters: Capacity 1000pcs/hour Thickness: 1-3mm can adjustable Height of fruit 40-120mm Die of fruit 40-100mm Power 0.6kW 220V-50Hz Weight 320kg
Fruit Vegetable Peeling Machine, pineapple peeling machine ,and so on lots of kind fruit /vegetable peeling machine . Watermelon peeling machine with half cutting function , Capacity 1-1.5T, bent straight, tall, thin, soft and hard can be peeled, with adjustable peeling thickness. The machine computer control has adaptive function (i.e. automatically adjust to low with height, fine with thickness, and straight with bending), and can be peeled with single or double knives. It is a key equipment for industrial processing of dried fruits and vegetables, slices, diced, strips, blocks, Rong, powder, preserved, and fresh cut. It is also compatible with 26 types of fruits and vegetables, including winter melon, watermelon, pineapple, papaya, grapefruit, and taro. Operation: Click on the touch screen - Set parameters - Place the fruit into the fruit holder - The machine automatically completes picking, delivering, peeling, and separating the material. Peeling and separating Processing capacity 500 pieces/hour Peeling thickness 1.5-10mm Adapt to fruit height of 80-400mm Adapted fruit diameter 80-250mm Power 1.5kw 220V/50Hz Weight 300kg Machine size 1.45 x 0.9 x1.7m
Mangoes peeling-move seeds-in one machine Mango is sweet and delicious. The content of provitamin A is the highest among fruits. It is nutritious and eye protecting. This machine can peeling 1000pcs mangoes per hour, tall and short, thick and thin mangoes, because the machine has an adaptive function (that is, it can automatically cut mangoes as low as they are high and as thin as they are thick). During program control plus remote control operation, click the touch screen, set parameters, put mangoes into the fruit base, and the machine will automatically complete fruit feeding - fruit fixing - peeling - seeds discharging separation. It is the key equipment for industrialized processing of dried mango, slice, preserved mango, diced mango, strip, diced mango, jam, juice, powder, canned mango, quick-frozen diced mango and fresh cut mango. Paramters: Capacity 1000pcs/hour Thickness: 1-3mm can adjustable Height of fruit 40-120mm Die of fruit 40-100mm Power 0.6kW 220V-50Hz Weight 320kg Dimension 1500 800 1800mm
2-head packaging machine (also can 4-18head according different capacity choice) Packaging speed 15bags/min Bag length 90-320mm Bag width 80-210mm Overall weight 400kg Power 1.8kw/220v Packaging capacity 20-1000ml Outer packaging size 820 x1220 x 2500mm Packaging form Back sealing This machine is an intelligent weighing automatic quantitative packaging machine with four scales and microcomputer control. Suitable for quantitative packaging of granular materials such as miscellaneous grains, nuts ,pesticides, fertilizers, veterinary drugs, premixes, additives, laundry detergent, salt, monosodium glutamate, white sugar, seeds, rice, snacks, hardware, etc. Performance characteristics: 1. High precision digital sensors enable precise measurement to be achieved instantly. 2. The microcomputer control system is technologically advanced, easy to operate, and more reliable to use. 3. Fast and slow vibration feeding, automatic correction of errors, achieving high-precision packaging. 4. Four scales work alternately, with fast packaging speed. 5. High quality stainless steel is used for the material contact part, which is anti-corrosion, dust-proof, and easy to clean. Host configuration: This machine is equipped with a dual CPU microcomputer control system, a 5-inch LCD display in Chinese or English, a user-friendly operation interface, automatic cursor detection and tracking, and simpler operation. Equipped with high-precision stepper motors to ensure the accuracy of the cutting position of each packaging bag.
Core: wound by high quality cold grain silicon, annealed by advanced vacuum annealing furnaces to improve electronic data, any dimension from customer are available Wire: copper and aluminum are available weld aluminum enamel wire well to save your cost 15 to 35%, based on our know-how technology Thermal protector: cutoff and switch are both available Applications: Electronic meter and apparatus Cable tv and digital network Electronic control Medical equipment New electric power supply Decorative illumination system Monitoring and control equipment Installation: horizontal (non-conventional-type base plate), sunk, side type and bridge Label info: certificate logo, basic electronic data, manufacturer's information also can be printed according to customer's request bar code is available based on customer's request Capacity: 5va to 5kva Phase: single Input voltage: ac power with voltages of various countries Output voltage: ac or customized Frequency: 50 to 60hz Power factor: 0.9 to 0.98 Efficiency: 75 to 98% Voltage regulation: 12 to 3% Output no-load loss: 0.5 to 10.0w Temperature-rise: ¡¨¹85¡ãc Insulation class: b: 130¡ãc e: 120¡ãc Testing items: no-load test (no-load current, voltage and loss) load test (load voltage, temperature-rise) inductive voltage test dc resistance test safety test
With high efficiency, low inrush current and low noise characteristics which are popular in the market. We also make reactor inductor for inverter of solar power with low loss and low noise. Power range 1000va to 30kva Phase single/three phase Input/output customized Insulation class ul class b, f, h, n (optional Isolation 4kv hi-pot
With high efficiency low inrush current and low temperature rise characteristics which are popular in the market. The transformer efficiency is up to 98%. Power range:1000va to 30kva Phase: single/three phase Input/output:customized Insulation class:ul class B, F, H, N Isolation:4KV
Used for television, electrical control system, charger inverter, electric apparatus, audio equipment etc.
