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LS Electric
0628038263
MCB, UL489, 3-Pole, D-Curve, 50 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$82.71$82.71 -
Noark
B1E1D6
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 6A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E2D10
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 10A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Available Now! 
Available Now!Noark
B1H3D20
Miniature Circuit Breaker, UL489, 3-Poles, D-Curve, 20A, 480Y/277VAC, 10kA, Box Lugs
$67.82$67.82 -
$19.30$19.30 -
Noark
B1N2D13
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 13A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
Available Now! 
Available Now!LS Electric
0626044463
MCB, UL489, 1-Pole, D-Curve, 10 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$17.86$17.86 -
$63.04$63.04 -
Noark
B1E1D3
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
$23.73$23.73 -
ABL Sursum
1D20UR
Circuit Breaker, 1-Pole, D-Curve, 20 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
ABL Sursum
1D5UR
Circuit Breaker, 1-Pole, D-Curve, 5 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76
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