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Available Now! 
Available Now!LS Electric
0626043763
MCB, UL489, 1-Pole, C-Curve, 20 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$25.91$25.91 -
LS Electric
0626031763
MCB, UL1077, 1-Pole, C-Curve, 1 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
LS Electric
0627038963
MCB, UL1077, 2-Pole, C-Curve, 40 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$23.65$23.65 -
LS Electric
0627038663
MCB, UL1077, 2-Pole, C-Curve, 20 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$23.65$23.65 -
LS Electric
0628049163
MCB, UL1077, 3-Pole, C-Curve, 15 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66 -
LS Electric
0628032663
MCB, UL1077, 3-Pole, C-Curve, 20 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66 -
LS Electric
0626031963
MCB, UL1077, 1-Pole, C-Curve, 3 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
LS Electric
0628032463
MCB, UL1077, 3-Pole, C-Curve, 10 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66 -
Available Now! 
Available Now!LS Electric
0628039863
MCB, UL489, 3-Pole, C-Curve, 10 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$91.64$91.64 -
LS Electric
0626035763
MCB, UL1077, 1-Pole, C-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
LS Electric
0627049663
MCB, UL489, 2-Pole, C-Curve, 6 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$55.52$55.52 -
LS Electric
0627038363
MCB, UL1077, 2-Pole, C-Curve, 6 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$23.65$23.65
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