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Weg
UMBW-4C3-20
MCB, UL489, 3-Pole, C-Curve, 20 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$58.46$58.46 -
Available Now! Available Now!Weg
UMBW-1C3-40
MCB, UL1077, 3-Pole, C-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Available Now! Available Now!Noark
B1E1D20
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 20A, 5kA, 277VAC, Supplementary Protection
$11.48$11.48 -
LS Electric
0628029863
MCB, UL1077, 3-Pole, D-Curve, 10 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$26.27$26.27 -
LS Electric
0626036263
MCB, UL1077, 1-Pole, C-Curve, 16 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
Noark
B1E2D20
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$22.95$22.95 -
Available Now! Available Now!LS Electric
0626030963
MCB, UL1077, 1-Pole, B-Curve, 10 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
Noark
B1NQ2C50
Miniature Circuit Breaker, UL489, 2 Pole, C-Curve, 50 Amp, 10kA, 120/240 VAC, Box Lug, B1NQ Series
$41.48$41.48 -
LS Electric
0627038963
MCB, UL1077, 2-Pole, C-Curve, 40 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$16.50$16.50 -
Noark
B1D1D15
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 15 Amp, 10kA, 125VDC, Box Lug, B1D Series
$23.89$23.89 -
Available Now! Available Now!Weg
MPW40-3-U025
Manual Motor Protector, 40A, 20-25A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$76.05$76.05 -
Weg
UMBW-4C2-3
MCB, UL489, 2-Pole, C-Curve, 3 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$39.59$39.59
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