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Weg
UMBW-1B2-10
MCB, UL1077, 2-Pole, B-Curve, 10 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.76$17.76 -
Weg
UMBW-1C2-10
MCB, UL1077, 2-Pole, C-Curve, 10 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.76$17.76 -
Available Now! 
Available Now!Weg
UMBW-1C2-16
MCB, UL1077, 2-Pole, C-Curve, 16 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.76$17.76 -
Available Now! 
Available Now!Weg
UMBW-1C3-20
MCB, UL1077, 3-Pole, C-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Weg
UMBW-1D1-15
MCB, UL1077, 1-Pole, D-Curve, 15 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-4D2-50
MCB, UL489, 2-Pole, D-Curve, 50 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$39.59$39.59 -
Available Now! 
Available Now!LS Electric
02050201UL
MCCB, 3-Pole, 60 Amp, 35kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 5.12 x 2.99 x 3.44" (HWD), Susol UL MCCB UTE100 Series, UL Listed, Molded Case Circuit Breaker, Non-Cancellable, No Returns
$368.42$368.42 -
LS Electric
02070009UL
Molded Case Circuit Breaker, 3-Poles, 150A, 80%, 65kA, Fixed Thermal/Magnetic, Lugs Line/Load Side
$448.64$448.64 -
LS Electric
0626030863
MCB, UL1077, 1-Pole, B-Curve, 6 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
LS Electric
0626032563
MCB, UL1077, 1-Pole, C-Curve, 25 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
LS Electric
0626044663
MCB, UL489, 1 Pole, D Curve, 20 Amp (20A), 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker, Replacement for 0626041563, BK63HU 1P D20A 10kA 120/240VAC UL489
$18.08$18.08 -
LS Electric
0628032863
MCB, UL1077, 3-Pole, C-Curve, 32 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$26.27$26.27
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