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Available Now! 
Available Now!LS Electric
0626044263
MCB, UL489, 1-Pole, D-Curve, 4 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$17.86$17.86 -
LS Electric
0626051663
MCB, UL1077, 1-Pole, C-Curve, 30 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
LS Electric
0626051963
MCB, UL1077, 1-Pole, D-Curve, 15 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
LS Electric
0627043463
MCB, UL1077, 2-Pole, D-Curve, 4 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$16.30$16.30 -
Available Now! 
Available Now!LS Electric
0627056663
MCB, UL489, 2-Pole, D-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$38.28$38.28 -
LS Electric
0627057863
MCB, UL1077, 2-Pole, C-Curve, 30 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$16.30$16.30 -
LS Electric
0628030663
MCB, UL1077, 3-Pole, B-Curve, 1 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$25.97$25.97 -
LS Electric
0628031163
MCB, UL1077, 3-Pole, B-Curve, 10 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$25.97$25.97 -
LS Electric
0628032363
MCB, UL1077, 3-Pole, C-Curve, 6 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$25.97$25.97 -
LS Electric
0628039463
MCB, UL489, 3-Pole, C-Curve, 2 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.18$63.18 -
Available Now! 
Available Now!LS Electric
0628039563
MCB, UL489, 3-Pole, C-Curve, 3 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.18$63.18 -
LS Electric
0628039963
MCB, UL489, 3-Pole, C-Curve, 16 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.18$63.18
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