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Noark
M1S30T3L
MCCB, UL489, M1S, 3 Pole, 30 Amp (30A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame Size, Fixed Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker
$240.55$240.55 -
Noark
M1S40T3L
MCCB, UL489, M1S, 3 Pole, 40 Amp (40A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 480VAC, 20kA @ 600VDC, 150 A Frame, Fixed Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker
$240.55$240.55 -
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
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 -
$29.68$29.68
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Weg
UMBW-1B1-1
MCB, UL1077, 1-Pole, B-Curve, 1 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-12
MCB, UL1077, 1-Pole, B-Curve, 12 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Available Now! Available Now!Weg
UMBW-1B1-20
MCB, UL1077, 1-Pole, B-Curve, 20 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25
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