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B1E1D4
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 4A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
Available Now! 
Available Now!Noark
B1E1D5
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 5A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
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B1E1D50
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 50A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
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B1E1D60
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 60A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
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B1E1D63
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 63A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
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B1E1D8
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 8A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
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B1E2B1
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 1A, 5kA, 480Y/277VAC, Supplementary Protection
$22.10$22.10 -
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B1E2B1.6
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 1.6A, 5kA, 480Y/277VAC, Supplementary Protection
$22.10$22.10 -
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B1E2B10
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 10A, 5kA, 480Y/277VAC, Supplementary Protection
$22.10$22.10 -
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B1E2B13
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 13A, 5kA, 480Y/277VAC, Supplementary Protection
$22.10$22.10 -
Noark
B1E2B16
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 16A, 5kA, 480Y/277VAC, Supplementary Protection
$22.10$22.10 -
Noark
B1E2B2
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 2A, 5kA, 480Y/277VAC, Supplementary Protection
$22.10$22.10
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