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$67.82$67.82 -
ABL Sursum
1D10UR
Circuit Breaker, 1-Pole, D-Curve, 10 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
Noark
B1E1D1.6
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 1.6A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
$67.82$67.82 -
$36.87$36.87 -
Available Now! 
Available Now!LS Electric
0627050663
MCB, UL489, 2-Pole, D-Curve, 10 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$38.28$38.28 -
$59.22$59.22 -
$42.04$42.04 -
ABL Sursum
2D8UR
Circuit Breaker, 2-Pole, D-Curve, 8 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$31.53$31.53 -
Available Now! 
Available Now!Noark
B1N3D50
Miniature Circuit Breaker, UL489, 3-Poles, D-Curve, 50A, 240VAC, 10kA, Box Lugs
$56.18$56.18 -
Weg
UMBW-4D2-6
MCB, UL489, 2-Pole, D-Curve, 6 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
Available Now! 
Available Now!LS Electric
0626050663
MCB, UL489, 1-Pole, D-Curve, 5 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$17.86$17.86
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