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$44.13$44.13 -
$67.82$67.82 -
$67.82$67.82 -
Available Now! 
Available Now!Noark
B1N1D5
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 5A, 240VAC/60VDC, 10kA, Box Lugs
$19.30$19.30 -
$19.30$19.30 -
Noark
B1N2D35
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 35A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
Available Now! 
Available Now!Sprecher and Schuh
L9-15/2/D
Miniature Circuit Breaker, D-Curve, 15 Amp, 480Y/277VAC/96VDC, 10kA, 2-Pole, UL489 / CSA / CE, IP20
$159.29$159.29 -
Sprecher and Schuh
L9-20/2/D
Miniature Circuit Breaker, D-Curve, 20 Amp, 480Y/277VAC/96VDC, 10kA, 2-Pole, UL489 / CSA / CE, IP20
$159.29$159.29 -
Sprecher and Schuh
L9-3/1/D
Miniature Circuit Breaker, D-Curve, 3 Amp, 277VAC/48VDC, 10kA, 1-Pole, UL489 / CSA / CE, IP20
$82.61$82.61 -
Sprecher and Schuh
L9-35/2/D
Miniature Circuit Breaker, D-Curve, 35 Amp, 480Y/277VAC/96VDC, 10kA, 2-Pole, UL489 / CSA / CE, IP20
$171.50$171.50 -
Weg
UMBW-1D1-1
MCB, UL1077, 1-Pole, D-Curve, 1 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-1D2-1
MCB, UL1077, 2-Pole, D-Curve, 1 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56
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