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Weg
UMBW-4D3-10
MCB, UL489, 3-Pole, D-Curve, 10 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$58.46$58.46 -
LS Electric
0626032263
MCB, UL1077, 1-Pole, C-Curve, 10 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
$18.11$18.11 -
LS Electric
02070005UL
MCCB, 3-Pole, 80 Amp, 35kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 6.50 x 4.13 x 3.44" (HWD), Susol UL MCCB UTS150 Series, UL Listed, Molded Case Circuit Breaker
$448.64$448.64 -
LS Electric
02070006UL
MCCB, 3-Pole, 90 Amp, 35kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 6.50 x 4.13 x 3.44" (HWD), Susol UL MCCB UTS150 Series, UL Listed, Molded Case Circuit Breaker
$448.64$448.64 -
LS Electric
0626035863
MCB, UL1077, 1-Pole, C-Curve, 3 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
LS Electric
0627037063
MCB, UL1077, 2-Pole, B-Curve, 6 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$16.50$16.50 -
LS Electric
0627056263
MCB, UL489, 2-Pole, B-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$38.73$38.73 -
Available Now! 
Available Now!LS Electric
0627056863
MCB, UL489, 2-Pole, D-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, This is the Recommended Replacement for 0627056963, BK63HU 2P D15A 10kA 240VAC UL489.
$38.73$38.73 -
LS Electric
0628028563
MCB, UL1077, 3-Pole, C-Curve, 10 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$26.27$26.27 -
Noark
B1E1B1.6
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 1.6A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
Noark
B1E1B15
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 15A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48
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