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Available Now! 
Available Now!Altech Corp.
09144911
Circuit Breaker, Earth Leakage, 4-Pole, 63A, 30mA Fault Trip Current
$322.68$322.68 -
LS Electric
0629040363
MCB, UL1077, 4-Pole, C-Curve, 16 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$58.15$58.15 -
LS Electric
0629040963
MCB, UL1077, 4-Pole, C-Curve, 63 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$68.47$68.47 -
Noark
B1E4C10
Miniature Circuit Breaker, UL1077, 4-Poles, C-Curve, 10A, 5kA, 480Y/277VAC, Supplementary Protection
$56.18$56.18 -
LS Electric
0629036863
MCB, UL1077, 4-Pole, C-Curve, 40 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$58.15$58.15 -
$196.85$196.85 -
Noark
B1E4B63
Miniature Circuit Breaker, UL1077, 4-Poles, B-Curve, 63A, 5kA, 480Y/277VAC, Supplementary Protection
$54.66$54.66 -
LS Electric
0629036563
MCB, UL1077, 4-Pole, C-Curve, 20 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$58.15$58.15 -
LS Electric
0629038863
MCB, UL1077, 4-Pole, B-Curve, 6 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$58.15$58.15 -
LS Electric
0629038963
MCB, UL1077, 4-Pole, B-Curve, 10 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$58.15$58.15 -
LS Electric
0629039563
MCB, UL1077, 4-Pole, B-Curve, 50 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$68.47$68.47 -
LS Electric
0629040663
MCB, UL1077, 4-Pole, C-Curve, 32 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$58.15$58.15
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