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Available Now! Available Now!Noark
B1E3D40
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 40A, 5kA, 480Y/277VAC, Supplementary Protection
$34.51$34.51 -
$15.47$15.47
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Available Now! Available Now!Noark
B1E3D50
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 50A, 5kA, 480Y/277VAC, Supplementary Protection
$34.51$34.51 -
$15.47$15.47
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LS Electric
0626036363
MCB, UL1077, 1-Pole, C-Curve, 20 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$6.91$6.91 -
Available Now! Available Now!LS Electric
0626037063
MCB, UL1077, 1-Pole, D-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$6.91$6.91 -
Available Now! Available Now!Noark
B1E3D15
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 15A, 5kA, 480Y/277VAC, Supplementary Protection
$34.51$34.51 -
LS Electric
0626034963
MCB, UL1077, 1-Pole, B-Curve, 16 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$6.91$6.91 -
LS Electric
0627049563
MCB, UL489, 2-Pole, C-Curve, 4 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$34.72$34.72 -
Available Now! Available Now!LS Electric
0626050563
MCB, UL489, 1-Pole, C-Curve, 15 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$16.21$16.21 -
Weg
MPW40-3-U010
Manual Motor Protector, 40A, 6.3-10A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$53.43$53.43 -
LS Electric
02070005UL
MCCB, 3-Pole, 80 Amp, 35kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 6.50 x 4.13 x 3.44" (HWD), Susol UL MCCB UTS150 Series, UL Listed, Molded Case Circuit Breaker
$392.90$392.90
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