-
Available Now! 
Available Now!LS Electric
0627050263
MCB, UL489, 2-Pole, D-Curve, 2 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$38.28$38.28 -
Available Now! 
Available Now!LS Electric
0626050363
MCB, UL489, 1-Pole, C-Curve, 5 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$17.86$17.86 -
Noark
B1N1C7
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 7 Amp, 10kA, 240VAC / 60 VDC, Box Lug, B1N Series
$17.56$17.56 -
Available Now! 
Available Now!Weg
UMBW-4D1-4
MCB, UL489, 1-Pole, D-Curve, 4 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
$23.74$23.74 -
Noark
B1N1B0.5
Miniature Circuit Breaker, UL489, 1-Pole, B-Curve, 0.5A, 240VAC/60VDC, 10kA, Box Lugs
$19.31$19.31 -
Weg
UMBW-4C3-20
MCB, UL489, 3-Pole, C-Curve, 20 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$74.26$74.26 -
LS Electric
0626042463
MCB, UL489, 1-Pole, B-Curve, 4 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$17.86$17.86 -
$23.74$23.74 -
Available Now! 
Available Now!LS Electric
0628046963
MCB, UL489, 3-Pole, C-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.18$63.18 -
Available Now! 
Available Now!Noark
B1N2C40
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 40A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
$19.31$19.31
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