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3SB71C&3SB71J&3SB71CC_CJ&3SB71Q&3SB71F

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

●   3SB71C Auxiliary contact: indication of the position of MCB and RCD

●   3SB71J Auxiliary alarm: signaling of status making or breaking of MCB and RCD through Alarm

●   3SB71CC/CJ Auxiliary contact & alarm: combination of auxilary contact and alarm

●   3SB71Q Under voltage release: protection of the load in the event of a voltage drop (between 70% and 35% of its rated value)

●   3SB71F Shunt release: remote opening of the device when a voltage is applied

●   Suitable for MCB Series: 3SB71-63, 3SB71-125, 3SB71Z, RCBO Series: 3SL71N-40, 3SB71LN


Technical specifications

●   Standard: IEC 60947-2

●   Rated insulation voltage (V AC): 500

●   Rated frequency (Hz): 50/60

●   Utilization category: AC14

●   Mechanical life (times): 4,000

●   Conductor cross-sections

●   Solid and stranded (mm²): 2.5

●   Ambient temperature (°C): -5 ~ +40, max. 95 % humidity

●   Storage temperature (°C): -40 ~ +75

●   Terminal tightening torque (N·m): 0.5

●   Diselectr ic Strength : 2,000

●   Wire quare s : 2.5


3SB71C&3SB71J&3SB71CC_CJ&3SB71Q&3SB71F.1


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