Wholesale Discount DC miniature circuit breaker-FTBD to Australia Manufacturer


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

Power was lost in three of my rooms turned out to be a lose connection

Lecture: Circuit – Breaker TRV Requirements during HWL Transmission Line Tripping. Presenter : Prof. João Bosco Gertrudes (UEFS).

November 27th, 2013 – 9h15.

The AC-Link Seminar – Half Wavelength Transmission Lines took place at the University of Campinas – UNICAMP on the 26th and 27th on November 2013. Chairpersons: Maria Cristina Tavares (UNICAMP), Camilo Machado Júnior (ELETRONORTE), Marcelo Maia (CHESF) and Éden Luiz Carvalho Júnior (ENTE).

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