13 Years Manufacturer Miniature circuit breaker-FTB2LE for Comoros Manufacturers


Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

Related video

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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




normally a switch like this comes with 3 prongs,
two for switch operation (open and close circuit),
another one is for ground (for the light on/off indication)

the prongs location might differ depends on manufacturer.
however for this rocker switch,

the 1st prong (left in this video) must be connected to power (wire from +ve battery),
2nd prong (middle) goes to your accessory,
3rd prong (right) you can ignore this if you want, as the switch is already in action if you had connected the first two, however there will be no on/off light indicator though..
if you want the indicator turned on when the switch is on (close circuit), connect the 3rd prong to ground or your -ve battery terminal. (be sure to connect the first two prongs correctly) otherwise the light will not give correct on/off indication (as shown in the video)

You can learn more or ask questions @ http://www.electricalindustrynetwork.com Here you can see the tools mentioned in part 1 in action. Again methods vary so please share yours.

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