-
Available Now! 
Available Now!LS Electric
0626036163
MCB, UL1077, 1-Pole, C-Curve, 10 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
Available Now! 
Available Now!Weg
UMBW-1C3-30
MCB, UL1077, 3-Pole, C-Curve, 32 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Available Now! 
Available Now!LS Electric
0628046963
MCB, UL489, 3-Pole, C-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.94$63.94 -
Available Now! 
Available Now!LS Electric
0626050363
MCB, UL489, 1-Pole, C-Curve, 5 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$18.08$18.08 -
Available Now! 
Available Now!Noark
B1E1C1
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 1A, 5kA, 277VAC, Supplementary Protection
$11.92$11.92 -
Available Now! 
Available Now!LS Electric
0626035663
MCB, UL1077, 1-Pole, C-Curve, 1 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
Available Now! 
Available Now!Weg
UMBW-1C3-40
MCB, UL1077, 3-Pole, C-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Noark
B1N2C15
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 15A, 240VAC/125VDC, 10kA, Box Lugs
$30.73$30.73 -
Available Now! 
Available Now!Weg
UMBW-1C3-10
MCB, UL1077, 3-Pole, C-Curve, 10 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Noark
B1E1C2
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 2A, 5kA, 277VAC, Supplementary Protection
$11.92$11.92 -
$19.78$19.78 -
LS Electric
0626031763
MCB, UL1077, 1-Pole, C-Curve, 1 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71
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