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Weg
UMBW-1D1-5
MCB, UL1077, 1-Pole, D-Curve, 5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-1D2-3
MCB, UL1077, 2-Pole, D-Curve, 3 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Weg
UMBW-1D2-60
MCB, UL1077, 2-Pole, D-Curve, 60 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Noark
B1E1C16
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 16A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E1C8
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 8A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E2C1
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 1A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E2C16
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 16A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E2C3
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 3A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E3B60
Miniature Circuit Breaker, UL1077, 3-Poles, B-Curve, 60A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
Noark
B1E3D16
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 16A, 5kA, 480Y/277VAC, Supplementary Protection
$43.11$43.11 -
Available Now! 
Available Now!Noark
B1E3D6
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 6A, 5kA, 480Y/277VAC, Supplementary Protection
$22.48$22.48 -
Noark
B1E4B63
Miniature Circuit Breaker, UL1077, 4-Poles, B-Curve, 63A, 5kA, 480Y/277VAC, Supplementary Protection
$54.66$54.66
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