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Noark
B1E1B15
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 15A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
Noark
B1E1B6
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 6A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
Noark
B1E1C3
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
Noark
B1E1C5
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 5A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
Noark
B1E1D6
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 6A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
Noark
B1E2C4
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$22.95$22.95 -
Available Now! 
Available Now!Noark
B1H3C20
Miniature Circuit Breaker, UL489, 3-Poles, C-Curve, 20A, 480Y/277VAC, 10kA, Box Lugs
$53.47$53.47 -
$15.47$15.47 -
Available Now! 
Available Now!Noark
B1N1C20
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 20A, 240VAC/60VDC, 10kA, Box Lugs
$14.11$14.11 -
$15.47$15.47 -
Available Now! 
Available Now!Noark
B1N1D20
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 20A, 240VAC/60VDC, 10kA, Box Lugs
$15.47$15.47 -
$15.47$15.47
A circuit breaker will interrupt the flow of current in an electrical circuit, safeguarding surrounding electrical components and wiring by preventing circuit overloads and short circuits.
a.k.a. MCB, MCCB, molded case breaker, supplementary protection, UL1077, UL489, UL508, MMP, manual motor protector