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Noark
B1E1B15
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 15A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E1D6
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 6A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E2C4
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E2D10
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 10A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
$67.82$67.82 -
Available Now! 
Available Now!Noark
B1N1C25
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 25A, 240VAC/60VDC, 10kA, Box Lugs
$17.57$17.57 -
$19.30$19.30 -
Noark
B1N2B60
Miniature Circuit Breaker, UL489, 2-Poles, B-Curve, 60A, 240VAC/125VDC, 10kA, Box Lugs
$38.11$38.11 -
Noark
B1N2D13
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 13A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
$54.66$54.66 -
Weg
UMBW-1C1-5
MCB, UL1077, 1-Pole, C-Curve, 5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-4C1-10
MCB, UL489, 1-Pole, C-Curve, 10 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91
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