Gold Member Since 2011
Audited Supplier
Tianjin Grewin Technology Co., Ltd.

Current Transformer, Transformer, Isolating Transformer manufacturer / supplier in China, offering Grewin Miniature Current Transformer (GW31B), Encapsulated Toroidal Transformer by Iron Shell for Swimming Lighting, Toroidal Transformer by Resin Inside and so on.

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Supplier Homepage Product current transformer Instrument current transformer Grewin Miniature Current Transformer (GW31B)

Grewin Miniature Current Transformer (GW31B)

Purchase Qty.:
1,000-9,999 10,000+
FOB Unit Price: US $1.59 US $0.6
Purchase Qty. (Pieces) FOB Unit Price
1,000-9,999 US $1.59
10,000+ US $0.6
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Production Capacity: 100000PCS/Month
Transport Package: Export Standard Carton With Strong Pallet
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union, cash

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Basic Info
  • Model NO.: GW31B
  • Type: Current Transformer
  • Operation Condition: Indoor
  • Winding Form: Single Layer & Tightly Wound Type
  • Installation: Active Type
  • Voltage Transformation Principle: Electromagnetic Type
  • Trademark: GW
  • Origin: Tianjin
  • Application: Electronic, Instrument, Position Sensor, Audio, Lighting
  • Phase: Single
  • Usage: Measurement
  • Insulating Medium: Common Insulating Materials
  • Magnetic Circuit Structure: Single Stage Type
  • Type1: Current Transformer
  • Specification: CE, ROHS
  • HS Code: 85045000
Product Description
Low cost
6 standard sizes
Toroidal Nickel Alloy cores available
For applications that require accuracy with small
Phase angle error
Applications would include Voltage, power and
Energy monitoring devices.
Exterior Material: PBT or ABS Resin UL flame
Retardant rating 94-V0
Interior Insulation: Epoxy Encapsulated
Isolation Voltage: 2500 Vrms for 1 minute
Dielectric Resistance: 1000 M Ohms at 500 Vdc
Surge Withstand: 5000V 1.2/50μ S standard
Shock wave optional
Operating Temperature: -25 to +55 degree, -40 to +85 degree optional
Frequency: 50 to 400 Hz
Accuracy Class: As defined in IEC 60044-1 Part 1
Current Transformers Class 0.2
RoHS Compliant
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