Factory Supplier for Miniature circuit breaker-FTB2LE Supply to Russia


Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Factory Supplier for Miniature circuit breaker-FTB2LE Supply to Russia, Our tenet is clear all the time: to deliver high quality product at competitive price to customers around the world. We welcome potential buyers to contact us for OEM and ODM orders

Product illustration:


 Technical Data

Model FTB2LE Miniature 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) AC A 30


Rated residual non-operating current(mA) AC




Residual current breaking time 30mA≦0.1s  250mA≦0.04s
Max. breaking time(s) 0.1
Rated short-circuit breaking capacity(KA) 6.5
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) - 5°C ~ +40°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) 340 420 530 630 710


Exterior and dimensions


Number of poles Width(mm) Modules
1 / 2 54 3
2 / 2 72 4
3 / 3 100 5.5
3 / 4 112.5 6.25
4 / 4 130.5 7.25




  • The electrics are tripping even when the appliances are all disconnected. The cliant was telling that the situation gradually got worst. First ..it was tripping once per month.. then weekly ..and daily ..hourly ..and now it barly holds on and tripping out the electric circuit. Now.. the question is how to rectify this. First isolate the circuit by removing the Load ( example.. switch off all the lights connected.. and unplug all the appliances) IF the circuit breaker trips.. then..it is highly likely ..that the problem is faulty cables or connections. Only registered electrical engineer can perform the testing to find out whats wrong. First.. Insulation test between L – E , N-E, to find any earth leaks ..if you get low reading ( Example: 1 – ohm ) that means there is a prob lem with the cables or joints which need further investigation , repair or rewiring.

    If you have Similar problem or any other plumbing or electrical problem we can help you. Please call 02082008580 / 07974711639. There is no call out charge for our local area. Please visit our Website www.unicuk.com to see if you covered.

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