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$47.76$47.76 -
ABL Sursum
3B63UR
Circuit Breaker, 3-Pole, B-Curve, 63 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$50.15$50.15 -
$63.04$63.04 -
$53.59$53.59 -
Noark
B1D2C15
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 15 Amp, 10kA, 250VDC, Box Lug, B1D Series
$59.66$59.66 -
Noark
B1E1B30
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 30A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E3B20
Miniature Circuit Breaker, UL1077, 3-Poles, B-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
$45.26$45.26 -
$44.13$44.13 -
$67.82$67.82 -
Available Now! 
Available Now!Noark
B1N1B1
Miniature Circuit Breaker, UL489, 1-Pole, B-Curve, 1A, 240VAC/60VDC, 10kA, Box Lugs
$19.31$19.31 -
$17.56$17.56
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