-
Available Now! 
Available Now!LS Electric
0628049563
MCB, UL1077, 3-Pole, D-Curve, 15 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$22.79$22.79 -
Available Now! 
Available Now!LS Electric
0628034363
MCB, UL1077, 3-Pole, D-Curve, 50 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$24.91$24.91 -
Available Now! 
Available Now!LS Electric
0628040763
MCB, UL489, 3-Pole, D-Curve, 10 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$55.44$55.44 -
Available Now! 
Available Now!LS Electric
0628047163
MCB, UL489, 3-Pole, D-Curve, 8 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$55.44$55.44 -
Available Now! 
Available Now!Weg
UMBW-1D3-30
MCB, UL1077, 3-Pole, D-Curve, 30 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Available Now! 
Available Now!ABL Sursum
1D10UR
Circuit Breaker, 1-Pole, D-Curve, 10 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
Available Now! 
$59.22$59.22 -
Available Now! 
Available Now!ABL Sursum
1D4UR
Circuit Breaker, 1-Pole, D-Curve, 4 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
Available Now! 
$59.22$59.22 -
Available Now! 
Available Now!Noark
B1N2D8
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 8A, 240VAC/125VDC, 10kA, Box Lugs
$20.96$20.96 -
Available Now! 
Available Now!ABL Sursum
3D60UR
Circuit Breaker, 3-Pole, D-Curve, 60 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$50.15$50.15 -
Available Now! 
Available Now!Noark
B1N2D50
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 50A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87
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