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LS Electric
0627043263
MCB, UL1077, 2-Pole, D-Curve, 2 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$16.30$16.30 -
$19.31$19.31 -
Available Now! 
Available Now!Weg
UMBW-4D3-10
MCB, UL489, 3-Pole, D-Curve, 10 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$74.26$74.26 -
Available Now! 
Available Now!LS Electric
0628047263
MCB, UL489, 3-Pole, D-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, (Suggested Replacement for 0628046263, BK63HU 3P D15A 10kA 240VAC UL489)
$63.18$63.18 -
Available Now! 
Available Now!Noark
B1N2D10
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 10A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
Available Now! 
Available Now!LS Electric
0626050863
MCB, UL489, 1-Pole, D-Curve, 15 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$17.86$17.86 -
Weg
UMBW-1D3-20
MCB, UL1077, 3-Pole, D-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Noark
B1E2D5
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 5A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Available Now! 
Available Now!LS Electric
0627056863
MCB, UL489, 2-Pole, D-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, This is the Recommended Replacement for 0627056963, BK63HU 2P D15A 10kA 240VAC UL489.
$38.28$38.28 -
Available Now! 
Available Now!Noark
B1E3D63
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 63A, 5kA, 480Y/277VAC, Supplementary Protection
$43.12$43.12 -
LS Electric
0628034363
MCB, UL1077, 3-Pole, D-Curve, 50 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$33.98$33.98 -
Noark
B1N2D60
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 60A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87
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