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
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
Instruction of type code
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
Selection and ordering data