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Noark
M1S125T3L
MCCB, UL489, M1S, 3 Pole, 125 Amp (125A), 50ka @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame, Adjustable Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker
$352.75$352.75 -
Noark
M1S100T3L
MCCB, UL489, M1S, 3 Pole, 100 Amp (100A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame Size, Adjustable Thermal/Magnetic Trip, Line/Load Lug Connection, Molded Case Circuit Breaker
$240.55$240.55 -
Noark
M1S150T3L
MCCB, UL489, M1S, 3 Pole, 150 Amp (150A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame, Adjustable Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker
$352.75$352.75 -
LS Electric
02070129UL
MCCB, 3 Pole, 40 Amp (40A), 150kA@240VAC, Fixed Thermal/Magnetic Trip, Lugs Line/Load Side, UL Listed, 6.50 x 4.13 x 3.44" (HWD), Susol UL MCCB UTS150 Series, Molded Case Circuit Breaker
$510.22$510.22 -
Noark
M1D1503L
MCS, UL489, M1D, 150 A Frame Size, 150 Amp, 3-Pole, Line/Load Lug Connection, Ex9M1D Molded Case Switch Series
$252.45$252.45 -
LS Electric
02050079UL
MCCB, 3-Pole, 60 Amp, 35ka@480VAC, Adjustable Thermal/Fixed 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
$324.00$324.00 -
Altech Corp.
2CU20L
Circuit Breaker, UL489, 2-Pole, C-Curve, 20 Amp, 10kA, Branch Circuit Protection, Miniature Molded Case Circuit Breaker, IP20
$45.93$45.93 -
Available Now! 
Available Now!LS Electric
0627047163
MCB, UL489, 2-Pole, D-Curve, 2 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$34.72$34.72
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