-
Noark
M1S50T3L
MCCB, UL489, M1S, 3 Pole, 50 Amp (50A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 480VAC, 20kA @ 600VDC, 150 A Frame, Adjustable Thermal/Fixed Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker
$240.55$240.55 -
Noark
M1S70T3L
MCCB, UL489, M1S, 3 Pole, 70 Amp (70A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 480VAC, 20kA @ 600VDC, 150 A Frame, Adjustable Thermal/Fixed Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker
$240.55$240.55 -
Noark
M1S20T3L
MCCB, UL489, M1S, 3 Pole, 20 Amp (20A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame, Fixed Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker
$240.55$240.55 -
Noark
M3S300T3L
MCCB, UL489, 400 A Frame Size, 50kA@600VDC, 65kA@240VAC, 42kA@480VAC, 18kA@600VAC, 300 Amp, Thermal-Magnetic Trip, 3-Pole, Lug Line/Load SIde Cable Lugs, Molded Case Circuit Breaker, EX9M3S Series
$858.50$858.50 -
LS Electric
02050199UL
MCCB, 3-Pole, 40 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
$322.64$322.64 -
LS Electric
02050297UL
MCCB, 3-Pole, 15 Amp, 65kA@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
$349.06$349.06 -
Available Now! 
Available Now!Weg
UMBW-1D3-35
MCB, UL1077, 3-Pole, D-Curve, 35 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Weg
UMBW-1D3-1.6
MCB, UL1077, 3-Pole, D-Curve, 1.6 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Weg
UMBW-1D3-1.5
MCB, UL1077, 3-Pole, D-Curve, 1.5 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Weg
UMBW-4C3-50
MCB, UL489, 3-Pole, C-Curve, 50 Amp, 240VAC/125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$58.46$58.46 -
Weg
UMBW-1D3-1.2
MCB, UL1077, 3-Pole, D-Curve, 1.2 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Weg
UMBW-4C3-40
MCB, UL489, 3-Pole, C-Curve, 40 Amp, 240VAC/125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$58.46$58.46
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