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LS Electric
0626033463
MCB, UL1077, 1-Pole, D-Curve, 6 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
LS Electric
0626037363
MCB, UL1077, 1-Pole, D-Curve, 6 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
LS Electric
0627044163
MCB, UL1077, 2-Pole, D-Curve, 40 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$14.31$14.31 -
Available Now! 
Available Now!LS Electric
0628048463
MCB, UL1077, 3-Pole, D-Curve, 30 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$22.79$22.79 -
ABL Sursum
1D1UR
Circuit Breaker, 1-Pole, D-Curve, 1 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
$29.62$29.62 -
$59.22$59.22 -
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 -
Noark
B1E1D5
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 5A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
$44.13$44.13 -
$36.87$36.87 -
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