Tianjin Grewin Technology Co., Ltd
Quality and Honesty First
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three phase current transformer(specifications) | |
Exterior Material | PBT Resin UL flame retardant rating 94-V0 |
Interior Insulation | Epoxy Encapsulated |
Isolation Voltage | 2500 Vrms for 1 minute |
Dielectric Resistance | 1000 M Ohms @ 500 Vdc |
Surge Withstand | 5000V（1.2/50μs standard shock wave）optional |
Rated Load Resistance | 100K Ohms |
Operating Temperature | -25 to +55℃,-40 to +85℃optional |
Frequency | 50 to 400 Hz |
Accuracy Class | defined in IEC 60044-2 Part 2 Voltage Transformers Class 0.1 |
Certification | RoHS Compliant |
Toroidal Core Voltage Transformer(features) |
Low cost |
More than 50 standard sizes |
Chassis mounting pattern |
Toroidal Core Voltage Transformer(applications) |
Applications for current monitor of AC motor, illumination device, air compressor and HVAC etc. |
Electrical energy manage, building control system. Current measurement, monitoring and protection for circuitry and equipment. |
Model | Window size （mm） | Compliant IEC60044-1@50/60Hz | |||
Turn ratio | 2.5VA | 5VA | 12.5VA | ||
GWTA79A11 | 25 | 100:5 | 3 | ||
150:5 | 1 | ||||
200:5 | 0.5 | 1 | |||
250:5 | 0.5 | 0.5 | |||
300:5 | 0.5 | 0.5 | |||
GWTA7911 | 40 | 150:5 | 1 | ||
200:5 | 1 | ||||
250:5 | 0.5 | 1 | |||
300:5 | 0.5 | 1 | |||
400:5 | 0.5 | 0.5 | |||