-
Available Now! 
Available Now!Noark
B1E2D20
1000537 | Limited Stock Savings: 2 units available at this price
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$25.81$25.81 -
Available Now! 
Available Now!Noark
B1E3C63
1000587 | Limited Stock Savings: 2 units available at this price
Miniature Circuit Breaker, UL1077, 3-Poles, C-Curve, 63A, 5kA, 480Y/277VAC, Supplementary Protection
$36.44$36.44 -
Available Now! 
Available Now!Noark
B1E3D20
1000600
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$43.11$43.11 -
Available Now! 
Available Now!Noark
B1H2C20
1000792
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 20A, 480Y/277VAC, 10kA, Box Lugs
$45.26$45.26 -
Available Now! 
Available Now!Noark
B1E1C10
1000449
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 10A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1N1C25
1000036
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 25A, 240VAC/60VDC, 10kA, Box Lugs
$17.57$17.57 -
Available Now! 
Available Now!Noark
B1E1C5
1000446
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 5A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1E1C3
1000444
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1N1D10
1000053 | Limited Stock Savings: 4 units available at this price
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 10A, 240VAC/60VDC, 10kA, Box Lugs
$17.45$17.45 -
Available Now! 
Available Now!Noark
B1N1D30
1000059, Advertised Pricing Limited to MWA Stock! | Limited Stock Savings: 15 units available at this price
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 30A, 240VAC/60VDC, 10kA, Box Lugs
$10.09$10.09 -
Available Now! 
Available Now!Altech Corp.
09144911
9144911, Replaced RP4403 | Limited Stock Savings: 1 unit available at this price
Circuit Breaker, Earth Leakage, 4-Pole, 63A, 30mA Fault Trip Current
$295.17$295.17 -
Available Now! 
Available Now!LS Electric
0627050863
627050863, BK63HU 2P D20A 10kA 480Y/277VAC UL489, (Replacement for 0627047763)
MCB, UL489, 2-Pole, D-Curve, 20 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, (Replacement for 0627047763)
$55.52$55.52
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