-
Available Now! 
Available Now!Weg
UMBW-1C3-60
MCB, UL1077, 3-Pole, C-Curve, 60 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Available Now! 
Available Now!LS Electric
0626043263
MCB, UL489, 1-Pole, C-Curve, 3 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$18.08$18.08 -
LS Electric
0626043463
MCB, UL489, 1-Pole, C-Curve, 6 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$18.08$18.08 -
Available Now! 
Available Now!LS Electric
0627049363
MCB, UL489, 2-Pole, C-Curve, 2 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$38.73$38.73 -
LS Electric
0627049463
MCB, UL489, 2-Pole, C-Curve, 3 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$38.73$38.73 -
$17.66$17.66 -
Available Now! 
Available Now!Noark
B1H2C30
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 30A, 480Y/277VAC, 10kA, Box Lugs
$35.36$35.36 -
$53.47$53.47 -
$14.11$14.11 -
Available Now! 
Available Now!Noark
B1N1C15
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 15A, 240VAC/60VDC, 10kA, Box Lugs
$14.11$14.11 -
Weg
UMBW-1C2-40
MCB, UL1077, 2-Pole, C-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.76$17.76 -
Weg
UMBW-4C2-2
MCB, UL489, 2-Pole, C-Curve, 2 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$39.59$39.59
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