-
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 -
Available Now! 
Available Now!LS Electric
0627056663
627056663, BK63HU 2P D5A 10kA 480Y/277VAC UL489
MCB, UL489, 2-Pole, D-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$55.52$55.52 -
Available Now! 
Available Now!LS Electric
0627047963
627047963, BK63HU 2P D32A 10kA 240VAC UL489
MCB, UL489, 2-Pole, D-Curve, 32 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$55.52$55.52 -
Available Now! 
Available Now!LS Electric
0627056363
627056363, BK63HU 2P C5A 10kA 480Y/277VAC UL489, Replacement for 0627055363
MCB, UL489, 2-Pole, C-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, Replacement for 0627055363
$33.59$33.59 -
Available Now! 
Available Now!LS Electric
0626034463
626034463, BK63H 1P B2A 6kA 277VAC UL1077 | Limited Stock Savings: 2 units available at this price
MCB, UL1077, 1-Pole, B-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$4.40$4.40
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