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$42.04$42.04 -
$63.04$63.04 -
ABL Sursum
3D40UL
Circuit Breaker, 3-Pole, D-Curve, 40 Amp, UL48910kA, Branch Circuit Protection, 240VAC
$94.56$94.56 -
ABL Sursum
3D60UR
Circuit Breaker, 3-Pole, D-Curve, 60 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$50.15$50.15 -
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Available Now!Noark
B1H1D5
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 5A, 277VAC, 10kA, Box Lugs
$23.73$23.73 -
$67.82$67.82 -
$19.30$19.30 -
$19.30$19.30 -
Sprecher and Schuh
L9-1/3/D
Miniature Circuit Breaker, D-Curve, 1 Amp, 480Y/277VAC, 10kA, 3-Pole, UL489 / CSA / CE, IP20
$210.06$210.06 -
Weg
UMBW-1D1-5
MCB, UL1077, 1-Pole, D-Curve, 5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-4D2-50
MCB, UL489, 2-Pole, D-Curve, 50 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
LS Electric
0626033863
MCB, UL1077, 1-Pole, D-Curve, 25 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62
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