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$17.57$17.57 -
$19.30$19.30 -
LS Electric
0626034663
MCB, UL1077, 1-Pole, B-Curve, 4 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$5.53$5.53 -
LS Electric
0626043463
MCB, UL489, 1-Pole, C-Curve, 6 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
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ABL Sursum
1C8UR
Circuit Breaker, 1-Pole, C-Curve, 8 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
Weg
UMBW-1D1-1.5
MCB, UL1077, 1-Pole, D-Curve, 1.5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
LS Electric
0626035963
MCB, UL1077, 1-Pole, C-Curve, 4 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
Available Now! 
Available Now!Noark
B1E1C20
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 20A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1N1C10
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 10A, 240VAC/60VDC, 10kA, Box Lugs
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LS Electric
0626033763
MCB, UL1077, 1-Pole, D-Curve, 20 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
Available Now! 
Available Now!ABL Sursum
1D10UR
Circuit Breaker, 1-Pole, D-Curve, 10 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
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Noark
B1E1B6
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 6A, 5kA, 277VAC, Supplementary Protection
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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