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Earth-fault single phase block switch - 30mA - NL type

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NL1 switches, with 30 mA sensitivity, are used to protect people from current leakage on circuits already protected against overloads or short-circuits by magneto thermal switches.
Instigate the cut off of the phase and of the neutral (1P+N) or of all phases (4P) if a current differential is detected that is higher than 30 mA.
Triggering within 40 milliseconds following detection of current fault 30 mA.
- For type A, they detect AC and DC currents and are used for powerful electrical circuits: (electric stoves, electrical elements, electric radiators).
- For type AC, they detect AC current only and are used on the power supply circuit of all other appliances.

Domestic, agricultural, tertiary sector and industrial uses.
Reference standard: CEI EN 61008.
Nominal voltage Ue ( Vac) : 230 / 400.
Insulation voltage Ui (Vac) : 500.
Voltage shock resistance Uimp (Vac) : 6000 V.
Nominal frequency HZ : 50-60.
Breaking capacity Inc KA : 6.
Max. number of manoeuvres: 2000.
Protection level: IP20.
Ambient temperature : -5°C to +40°C.
Max. cable section: 16 mm2.
CEI EN 61008
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