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Weg
UMBW-4C2-6
MCB, UL489, 2-Pole, C-Curve, 6 Amp, 277/480Y VAC, 125 VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
Available Now! 
Available Now!LS Electric
02050067UL
MCCB, 3-Pole, 20 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
$393.90$393.90 -
Available Now! 
Available Now!LS Electric
02090005UL
Molded Case Circuit Breaker, 3-Pole, 250A, 80%, 65kA, Fixed Thermal/Magnetic, Lugs Line/Load Side
$707.80$707.80 -
LS Electric
02110004UL
Molded Case Circuit Breaker, 3-Pole, 400A, 80%, 65kA, Fixed Thermal/Magnetic, Lugs Line/Load Side
$1,367.47$1,367.47 -
LS Electric
0626051763
MCB, UL1077, 1-Pole, D-Curve, 5 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
LS Electric
0627057063
MCB, UL489, 2-Pole, D-Curve, 30 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$38.28$38.28 -
LS Electric
0628030363
MCB, UL1077, 3-Pole, D-Curve, 40 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$25.97$25.97 -
$21.01$21.01 -
$35.74$35.74 -
$59.22$59.22 -
$63.04$63.04 -
Noark
B1E3B35
Miniature Circuit Breaker, UL1077, 3-Poles, B-Curve, 35A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88
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