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LS Electric
0626033363
MCB, UL1077, 1-Pole, D-Curve, 4 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
LS Electric
0627041163
MCB, UL1077, 2-Pole, B-Curve, 16 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$16.50$16.50 -
$24.90$24.90 -
Available Now! 
Available Now!Noark
B1E2D15
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 15A, 5kA, 480Y/277VAC, Supplementary Protection
$22.95$22.95 -
Available Now! 
Available Now!Noark
B1E2P100
Miniature Circuit Breaker, UL1077, 2-Poles, 100A, 5kA, 480Y/277VAC, 125VDC, Supplementary Protection
$27.88$27.88 -
Weg
MPW40-3-U016
Manual Motor Protector, 40A, 10-16A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$58.50$58.50 -
Weg
MPW40-3-U032
Manual Motor Protector, 40A, 25-32A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$81.90$81.90 -
Available Now! 
Available Now!LS Electric
0627056363
MCB, UL489, 2-Pole, C-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, Replacement for 0627055363
$38.73$38.73 -
LS Electric
0628040163
MCB, UL489, 3-Pole, C-Curve, 25 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.94$63.94 -
ABL Sursum
1D10UR
Circuit Breaker, 1-Pole, D-Curve, 10 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$13.25$13.25 -
ABL Sursum
3B50UR
Circuit Breaker, 3-Pole, B-Curve, 50 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$42.15$42.15 -
$53.47$53.47
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