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LS Electric
0627038963
MCB, UL1077, 2-Pole, C-Curve, 40 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$23.65$23.65 -
Noark
B1E1D40
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 40A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1N1C30
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 30A, 240VAC/60VDC, 10kA, Box Lugs
$17.57$17.57 -
Available Now! 
Available Now!Weg
MPW40-3-U040
Manual Motor Protector, 40A, 32-40A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$115.25$115.25 -
LS Electric
0627043263
MCB, UL1077, 2-Pole, D-Curve, 2 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$23.65$23.65 -
LS Electric
0627038663
MCB, UL1077, 2-Pole, C-Curve, 20 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$23.65$23.65 -
LS Electric
0628049163
MCB, UL1077, 3-Pole, C-Curve, 15 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66 -
Available Now! 
Available Now!Weg
MPW40-3-D025
Manual Motor Protector, 40A, 1.6-2.5A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$45.19$45.19 -
LS Electric
0628032663
MCB, UL1077, 3-Pole, C-Curve, 20 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66 -
Available Now! 
Available Now!Noark
B1E2P100
Miniature Circuit Breaker, UL1077, 2-Poles, 100A, 5kA, 480Y/277VAC, 125VDC, Supplementary Protection
$34.83$34.83 -
$22.58$22.58 -
$23.73$23.73
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