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LS Electric
0626051163
MCB, UL1077, 1-Pole, B-Curve, 15 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
LS Electric
0627041163
MCB, UL1077, 2-Pole, B-Curve, 16 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$16.30$16.30 -
LS Electric
0628039163
MCB, UL489, 3-Pole, B-Curve, 20 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.18$63.18 -
ABL Sursum
3B50UR
Circuit Breaker, 3-Pole, B-Curve, 50 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$50.15$50.15 -
Noark
B1N2B15
Miniature Circuit Breaker, UL489, 2-Poles, B-Curve, 15A, 240VAC/125VDC, 10kA, Box Lugs
$38.11$38.11 -
LS Electric
0627037363
MCB, UL1077, 2-Pole, B-Curve, 20 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$16.30$16.30 -
LS Electric
0628031563
MCB, UL1077, 3-Pole, B-Curve, 32 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$25.97$25.97 -
$22.57$22.57 -
$66.71$66.71 -
Weg
UMBW-1B1-4
MCB, UL1077, 1-Pole, B-Curve, 4 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Available Now! 
Available Now!LS Electric
0626050963
MCB, UL1077, 1-Pole, B-Curve, 5 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$10.52$10.52 -
ABL Sursum
3B63UR
Circuit Breaker, 3-Pole, B-Curve, 63 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$50.15$50.15
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