21 Years Factory Miniature circuit breaker-FTB3LE to Swiss Manufacturer

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Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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"Quality first, Honesty as base, Sincere service and mutual profit" is our idea, in order to develop continuously and pursue the excellence for 21 Years Factory Miniature circuit breaker-FTB3LE to Swiss Manufacturer, We will wholeheartedly welcome all clients in the industry both at home and abroad to cooperate hand in hand, and create a bright future together.


Model: FTB3LE Residual current circuit-breaker
Number of poles: IP+N,2P,3P,3P+N,4P
Rated frequency: AC 50/60Hz
Rated voltage (V) AC: 230/400
Rated current (A): C  6, 10, 16, 20, 25, 32, 40, 50, 63
Rated residual operating current(mA): D  6, 10, 16, 20, 25, 32, 40
Rated residual non-operating current(mA): AC 15
A 15,25
Residual current breaking time: 30mA≦0.1s 250mA≦0.04s
Rated short-circuit breaking capacity (KA): 40~63A 10
6~32A 12
Rated residual current breaking capacity(KA): 4.5
Mechanical & electrical life: 20,000 operations
Protection rating: IP20
Installation: On DIN rail 35mm according to JB6525
Connection capacity: Cross-section of conductors up to 25mm², Cross-section of busbar from 0.8-2mm²,reversibility of connections
Tightening torque: 2 Nm
Ambient temperature (°C):
Altitude (m): ≤2000m
Relative air humidity: no more than 95%
Pollution degree:
Installation condition: Used in place without obvious shock and vibration
Weight (g): 80 490 610 710




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