Sell F&G Residual Current Circuit Breakers

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NFIN Residual Current Circuit Breaker provide the function of isolation switching and earth leakage protection of electrical circuits. And also provide the indirect protection of the operator's body against the dangerous effects of electric current and provide the protection of the fire caused by the electrical circuit fault.

7Technical data
Standard: IEC61008, GB16916
Rated Voltage(Un) :
2pole: AC 230(240) V
4pole: AC 400(415) V
Rated Current(In) : 25, 40, 63, 80, 100A
Rated residual operating current( I/ n) : 10, 30, 100, 300, 500mA
Rated residual non-operation Current( I/ n) : 0.5I/ n~I/ n
Residual current off-time: <=0.3s
Minimum Value of rated making and breaking capacity (Im) : 630A
Ultimate short-circuit breaking capacity(Inc) : 3000A
On load: 2000 cycles
Off load: 2000 cycles

7Operating Condition
Circumstance temperature -50 ~ +400, average temperature not exceeding 350.
Altitude above sea level less than 2000 m.
Humidity not exceeding 50% at 400 and not exceeding 90% at 250.
Installation class II or III.
Pollution class II.
Installation method DIN Rail mounting type.
The external magnetism shall not be more than 5 times of terrestrial one.
Product shall be installed vertically at the place where there shall be no severe impact and vibration. The product is switched on when the handle is at upper position.