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Available Now! 
Available Now!LS Electric
0628039863
MCB, UL489, 3-Pole, C-Curve, 10 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$86.25$86.25 -
$53.59$53.59 -
Available Now! 
Available Now!Noark
B1E1C15
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 15A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1E3P80
Miniature Circuit Breaker, UL1077, 3-Poles, 80A, 5kA, 480Y/277VAC, Supplementary Protection
$51.38$51.38 -
$19.30$19.30 -
$19.30$19.30 -
LS Electric
0626035763
MCB, UL1077, 1-Pole, C-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$9.90$9.90 -
LS Electric
0626050863
MCB, UL489, 1-Pole, D-Curve, 15 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$24.38$24.38 -
Altech Corp.
2CU20L
Circuit Breaker, UL489, 2-Pole, C-Curve, 20 Amp, 10kA, Branch Circuit Protection, Miniature Molded Case Circuit Breaker, IP20
$54.63$54.63 -
Available Now! 
Available Now!Noark
B1E1C10
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 10A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1E1C3
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1E1C5
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 5A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30
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