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3SL71, RCCB, up to 100 A

Independent power supply with build-in power source,directly draws power from the incoming end to avoid the risk of protection function failure caused by external power supply failure.

● Overload protection
● Short circuit protection
● Isolation
● Controlling
● Used in residential building, non-residential building, industry, energy and infrastructure
Availability:

Functions

●   Switching and isolation function

●   Controlling

●   Protection against the effects of sinusoidal alternating earth fault currents

●   Protection against indirect contacts and additional protection against direct contacts

●   Protection against fire hazard caused by insulation faults

●   Used in residential building , non-residential building, energy sources, industry and infrastructure

●   Combination with auxiliary elements: auxiliary contact, signal contact, shunt trip, undervoltage release


Technical specifications

●   Standard: IEC 61008-1

●   Type (wave form of the earth leakage sensed): AC, A

●   Trip time type: instantaneous, selectivity S

●   Number of poles: 2, 4

●   Rated current In (A): 16, 25, 40, 63, 80, 100

●   Rated voltage Ue (V AC): 230/400

●   Rated insulation voltage Ui (V AC): 500

●   Rated frequency Fn (Hz): 50/60

●   Rated residual currents IΔn (mA): 10 (2P 16 A), 30, 100, 300

●   Rated conditional short-circuit current:

    Inc = IΔc = 6000 A SCPD fuse 100A Gg

●   Making and breaking capacity Im (A): 1000

●   Rated residual breaking capacity IΔm (A): 1000

●   Degree of protection: IP20, with connected conductors

●   Terminals

●   Terminal tightening torque (N·m): 3

●   Ambient temperature (°C): -25 ~ +45, max. 95 % humidity


References

●   Additional components: page 189 ~ 191


Combination of auxiliary elements with 3SL71

3SL71.1


Instruction of type code

3SL71.2


Features

●   Electromagnetic type, voltage independent.

●   The handle being sealable or equipped with padlock bracket avoids dangerous operation changes (ON / OFF)

●   The handle provides a clear indication of the contact position

●   Adequate printing of all data on the front provides long-term identification


Outline and installation dimensions

3SL71.3


Selection and ordering data

3SL71.4


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