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
● Assembly on side with MCBs
● Protection against the effects of sinusoidal alternating earth fault currents
● Protection against indirect contacts and additional protection against direct contacts
Technical specifications
● Standard: IEC 61009-1
● Type (wave form of the earth leakage sensed): AC, A
● Number of poles: 2, 3, 4
● Rated current In (A): 40, 63
● 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): 30, 100, 300
● Rated breaking capacity (Icn) : Icn of the associated MCB
● Rated residual breaking capacity lm: Icn of the associated MCB
● Electrical life (times): 4,000
● Mechanical life (times): 10,000
● Degree of protection: IP20, with connected conductors
● Mounting position: Any
● Conductor cross-sections
● Solid and stranded (mm²): 0.75-35
● Finely stranded with end sleeve (mm²): 0.75-25
● Terminals
● Terminal tightening torque (N·m): 2.8
● Ambient temperature (°C): -25 ~ +45, max. 95 % humidity
● Storage temperature (°C): -40 ~ +75
● Altitude (meters): Max. 2000
Instruction of type code
Features
● Electronic Type, voltage dependent and Electromagnetic type,voltage independent
● Assembly on side with MCBs 3SB71 series
Selection and ordering data
Electronic Type
Electromagnetic type
Outline and installation dimensions
