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0.1 Class Current Transformer NRC07
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).
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 |