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Noark
B1E4D4
Miniature Circuit Breaker, UL1077, 4-Poles, D-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$45.99$45.99 -
Noark
B1E4B4
Miniature Circuit Breaker, UL1077, 4-Poles, B-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$43.78$43.78 -
Noark
B1E4C4
Miniature Circuit Breaker, UL1077, 4-Poles, C-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$45.05$45.05 -
Noark
B1E2C4
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$22.95$22.95 -
Noark
B1E3B4
Miniature Circuit Breaker, UL1077, 3-Poles, B-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$33.58$33.58 -
Noark
B1E3D4
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$34.51$34.51 -
Noark
B1E3C4
Miniature Circuit Breaker, UL1077, 3-Poles, C-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$33.58$33.58 -
Noark
B1E1B4
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 4A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
Available Now! Available Now!Noark
B1E2D4
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$22.95$22.95 -
Noark
B1E2B4
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$22.10$22.10 -
LS Electric
0626037263
MCB, UL1077, 1-Pole, D-Curve, 4 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$6.91$6.91 -
LS Electric
0626032063
MCB, UL1077, 1-Pole, C-Curve, 4 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$6.91$6.91
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