-
$15.47$15.47 -
LS Electric
0627041163
MCB, UL1077, 2-Pole, B-Curve, 16 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$16.50$16.50 -
ABL Sursum
3B50UR
Circuit Breaker, 3-Pole, B-Curve, 50 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$42.15$42.15 -
Available Now! 
Available Now!LS Electric
0626050963
MCB, UL1077, 1-Pole, B-Curve, 5 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
LS Electric
0627037363
MCB, UL1077, 2-Pole, B-Curve, 20 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$16.50$16.50 -
Available Now! 
Available Now!Noark
B1N1B1
Miniature Circuit Breaker, UL489, 1-Pole, B-Curve, 1A, 240VAC/60VDC, 10kA, Box Lugs
$15.47$15.47 -
Noark
B1N2B30
Miniature Circuit Breaker, UL489, 2-Poles, B-Curve, 30A, 240VAC/125VDC, 10kA, Box Lugs
$30.52$30.52 -
Noark
B1N2B10
Miniature Circuit Breaker, UL489, 2-Poles, B-Curve, 10A, 240VAC/125VDC, 10kA, Box Lugs
$30.52$30.52 -
LS Electric
0626031063
MCB, UL1077, 1-Pole, B-Curve, 16 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
$16.92$16.92 -
Altech Corp.
1B13UM
MCB, 1-Pole, B-Curve, 13 Amp (13A), 480Y/277VAC, UL508 Listed, Miniature Circuit Breaker, -25 to +55°C (-13 to +131°F), IP20
$17.20$17.20 -
$17.66$17.66
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