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Home » Product List » Current Transformer » Current Transformer Nrc07
Product Details
Current Transformer Nrc07
| Packing: | Standard export carton |
|---|---|
| Model NO.: | NRC07 |
| Standard: | IEC62053-21 |
| Productivity: | 100, 000 pcs/month |
| Unit Price: | Negotiable |
| Shipment Terms: | upon request |
| Payment Terms: | L/C,T/T,Western Union |
| Minimum Order: | 1000 Pieces |
| Price Valid Time: | From May 07,2012 To Dec 26,2012 |
| HS Code: | 85045000 |
| Trademark: | NCR |
| Origin: | China |
| Phase: | Single |
| Type: | Current Transformer |
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
Product Description
Used for a current sensing device for utility energy meter.
Moisture-proof and vibration-resistant.
Encapsulation by epoxy resin, with high insulation ability.
Casing by flame retardant PBT.
DC-tolerance version available (IEC62053-21 standard).
| Characteristics | Values | |||||||
| Operating frequency | 50/60Hz | |||||||
| Operating temperature | -25 º C ~ 75 º C | |||||||
| Relative humidity | 80% ~ 90% | |||||||
| Rated primary current I p | 10 or 20A | |||||||
| Maximum primary operating current I max | 100A | |||||||
| Rated secondary current I s |
When I p =10A, I s =4mA When I p =20A, I s =8mA |
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| Turn ratio N | 1: 2500 | |||||||
| Testing current for DC component I test |
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| Burden resistor R b | 5 Ω , 10 Ω , 20 Ω | |||||||
| Accurate operating current range | 5% I p ~ I max | |||||||
| Accuracy class | 0.2% | |||||||
| Insulation intensity under power frequency | Without damage by 4000V for 1 min. | |||||||
| Insulation resistance | > 50M Ω |
