Free sample for DC miniature circuit breaker-FTBD to Gambia Importers

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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Product illustration:

ftbd

Technical Data

Model FTBD DC miniature circuit-breaker
Picture  
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

ftbd-5

Exterior  and dimensions

ftbd-6342

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

17.8±0.8

35.6±0.8

D 44±0.8
E

68.7±0.8

70.2±0.8

F 45±0.8
G 35.5±0.8




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Uporaba naftalana seže unazad 600-700 godina. Poznati svjetski putnik Marco Polo daje jedan od prvih zapisa o ljekovitosti naftalana. Sustavno korištenje naftalana iz Azerbajdžana počelo je krajem 19. stoljeća. Nakon što je 70-tih godina otkriveno nalazište naftenske nafte kod Ivanić Grada — “kriška nafta”, učinjena su brojna usporedna ispitivanja “kriške nafte ” i nafte iz Azerbajdžana. Ispitivanjima su utvrđena gotovo ista kemijska i biološka svojstva obje vrste nafte, te isključena njena moguća kancerogena i toksična djelovanja.

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