Tianjin Grewin Technology Co., Ltd
| Place of Origin | Tianjin |
| Brand Name | grewin |
| Model Number | GWTA serials |
| Certification | CE ROHS |
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Product Specification
| Place of Origin | Tianjin | Brand Name | grewin |
| Model Number | GWTA serials | Certification | CE ROHS |
| High Light | single turn primary current transformer ，rated input: 50-100a ，high quality | ||
single turn primary 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 |
Non-symmetrical mounting pattern |
Toroidal Core Voltage Transformer(applications) |
For applications that require exceptional accuracy with minimal phase angle error |
Applications would include Voltage,power and energy monitoring devices |
Part | Rated | Turn | Frequency | Secondary | Accuracy | Outline |
GWTA1111 | 5~30 | 1000:1 | 50 to 400 | ≤200 | 0.1 | ID-L-W-H |
GWTA1311 | 5~80 | ≤800 | 0.1 | ID-L-W-H | ||
GWTA1411 | 5~80 | ≤800 | 0.1 | ID-L-W-H | ||
GWTA21A11 | 5~50 | 1000:1 | 50 to 400 | ≤200 | 0.1 | ID-L-W-H |
GWTA21B11 | 5~50 | ≤200 | 0.1 | ID-L-W-H | ||
GWTA21CB11 | 5~15 | 1000:1 | 50 to 400 | ≤50 | 0.2 | ID-L-W-H |
GWTA21CE11 | ≤50 | ID-L-W-H | ||||
GWTA21CD11 | ≤50 | ID-L-W-H | ||||
GWTA21C11 | 1000:1 | ≤50 | ID-L-W-H | |||
GWTA21CA11 | ≤300 | ID-L-W-H | ||||
GWTA21E11 | 5~20 | ≤200 | 0.1 | ID-L-W-H | ||
GWTA21F11 | 5~30 | 1000:1 | ≤200 | 0.2 | ID-L-W-H | |
GWTA22B11 | 5~80 | 1000:1 | 50 to 400 | ≤800 | 0.1 | ID-L-W-H |
GWTA22D11 | 5~100 | ≤1000 | 0.1 | ID-L-W-H | ||
GWTA22E11 | 5~100 | ≤1000 | 0.1 | ID-L-W-H | ||
GWTA2311 | 5~20 | 1000:1 | 50 to 400 | ≤200 | 0.1 | ID-L-W-H |
GWTA23B11 | 5~80 | 1000:1 | ≤100 | 0.1 | ID-L-W-H | |
GWTA23A11 | 5~100 | ≤1000 | 0.1 | ID-L-W-H | ||
GWTA32B11 | 5~20 | 1000:1 | 50 to 400 | ≤100 | 0.1 | ID-L-W-H |
GWTA3311 | 5~80 | 1000:1 | ≤500 | 0.1 | ID-L-W-H | |
GWTA34B11 | 5~100 | ≤1000 | 0.1 | ID-L-W-H |
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2011
Employee Number:
>less than 250
Ecer Certification：
Active Member
Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First". We have both design and produce different kinds of current transformers, including clamp on current transformers、split core current transformers、closed loop sens... Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First". We have both design and produce different kinds of current transformers, including clamp on current transformers、split core current transformers、closed loop sens...
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