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Available Now! 
Available Now!LS Electric
0626043163
MCB, UL489, 1-Pole, C-Curve, 2 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$18.08$18.08 -
Noark
B1E1C3
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$11.92$11.92 -
Noark
B1N2C16
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 16A, 240VAC/125VDC, 10kA, Box Lugs
$30.73$30.73 -
$45.54$45.54 -
LS Electric
0626032263
MCB, UL1077, 1-Pole, C-Curve, 10 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
$19.78$19.78 -
LS Electric
0626035863
MCB, UL1077, 1-Pole, C-Curve, 3 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
LS Electric
0628028563
MCB, UL1077, 3-Pole, C-Curve, 10 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$26.27$26.27 -
Noark
B1E1C4
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 4A, 5kA, 277VAC, Supplementary Protection
$11.92$11.92 -
Noark
B1E1C5
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 5A, 5kA, 277VAC, Supplementary Protection
$11.92$11.92 -
Noark
B1E2C4
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 4A, 5kA, 480Y/277VAC, Supplementary Protection
$23.83$23.83 -
Available Now! 
Available Now!Noark
B1H3C20
Miniature Circuit Breaker, UL489, 3-Poles, C-Curve, 20A, 480Y/277VAC, 10kA, Box Lugs
$56.52$56.52
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