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Noark
B1E1D6
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 6A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1N1C25
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 25A, 240VAC/60VDC, 10kA, Box Lugs
$17.57$17.57 -
$19.30$19.30 -
Weg
UMBW-1C1-5
MCB, UL1077, 1-Pole, C-Curve, 5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-4C1-10
MCB, UL489, 1-Pole, C-Curve, 10 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
LS Electric
0626035863
MCB, UL1077, 1-Pole, C-Curve, 3 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
$23.73$23.73 -
Weg
UMBW-4D1-10
MCB, UL489, 1-Pole, D-Curve, 10 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
LS Electric
0626031163
MCB, UL1077, 1-Pole, B-Curve, 20 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
LS Electric
0626040663
MCB, UL489, 1-Pole, C-Curve, 50 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$28.97$28.97 -
LS Electric
0626050963
MCB, UL1077, 1-Pole, B-Curve, 5 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
ABL Sursum
1D20UR
Circuit Breaker, 1-Pole, D-Curve, 20 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76
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