Factory Free sample DC miniature circuit breaker-FTBD for Uruguay Factory


Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

Related video

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Product illustration:


Technical Data

Model FTBD DC miniature circuit-breaker
Number of poles IP 2P
Rated frequency: AC 50/60Hz
Rated voltage (V) 125/250 250/500
Rated current (A) 1,2,3,4
Rated ultimate short-circuit breaking capacity(KA) 6.5
Rated current (A) 6,10,16,20,25,32,40,50,63
Rated ultimate short-circuit breaking capacity(KA) 20/10 20/10
Rated impulse withstand voltage Uimp(KV) 4
Mechanical and electrical life: 20000
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
Ambient temperature (°C) -25°C ~ +45°
Altitude (m) ≦4000m
Relative air humidity no more than 95%
Pollution degree
Installation condition Used in place without obvious shock and vibration
Weight (g) 116 232

Tripping characteristic


Exterior  and dimensions


Number  of poles 1P 2P
A 80±0.8
B 74.2±0.8 75.7±0.8



D 44±0.8



F 45±0.8
G 35.5±0.8

  • How to Replace a Breaker (Residential Panel)

    This is extremely simple, and not to be feared, but rather, respected. Just make sure first order of business is to flip the main breaker so the whole panel is dead. Even still, I make sure to wear rubber soled shoes and use rubber/plastic handled tools. You can just never be too safe with electrical.

    Kill the main
    Disconnect wires from old breaker
    Pull it out
    Plug wires into new breaker
    Push it in

    It really is that simple. Takes 3 minutes to explain and about 30 seconds to do.

    Now as I mentioned this breaker was actually a sort of GFCI breaker, so it’s like a breaker within a breaker. I was replacing it because it tripped but when I went to reset it, it wouldn’t stay reset. So because of it’s internal grounding mechanism, it carries the extra neutral wire that a standard breaker does not.

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