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Available Now! 
Available Now!LS Electric
0628039563
MCB, UL489, 3-Pole, C-Curve, 3 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$55.44$55.44 -
LS Electric
0628039963
MCB, UL489, 3-Pole, C-Curve, 16 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$55.44$55.44 -
LS Electric
0628049363
MCB, UL1077, 3-Pole, D-Curve, 5 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$22.79$22.79 -
$63.04$63.04 -
$63.04$63.04 -
$88.84$88.84 -
ABL Sursum
3D05UR
Circuit Breaker, 3-Pole, D-Curve, 0.5 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$47.29$47.29 -
ABL Sursum
3D12UR
Circuit Breaker, 3-Pole, D-Curve, 12 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$47.29$47.29 -
Noark
B1E3B30
Miniature Circuit Breaker, UL1077, 3-Poles, B-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
Noark
B1E3C15
Miniature Circuit Breaker, UL1077, 3-Poles, C-Curve, 15A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
Noark
B1E3C50
Miniature Circuit Breaker, UL1077, 3-Poles, C-Curve, 50A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
Available Now! 
Available Now!Noark
B1E3C63
Miniature Circuit Breaker, UL1077, 3-Poles, C-Curve, 63A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88
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