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Available Now! 
Available Now!LS Electric
0628046863
MCB, UL489, 3-Pole, C-Curve, 8 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$91.64$91.64 -
ABL Sursum
1C8UR
Circuit Breaker, 1-Pole, C-Curve, 8 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
Noark
B1N2C16
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 16A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
LS Electric
0626035963
MCB, UL1077, 1-Pole, C-Curve, 4 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
LS Electric
0627056363
MCB, UL489, 2-Pole, C-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, Replacement for 0627055363
$55.52$55.52 -
Noark
B1N2C25
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 25A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
LS Electric
0627057563
MCB, UL1077, 2-Pole, C-Curve, 5 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$23.65$23.65 -
Noark
B1E1C20
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 20A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
$67.82$67.82 -
Available Now! 
Available Now!Noark
B1N1C10
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 10A, 240VAC/60VDC, 10kA, Box Lugs
$17.57$17.57 -
LS Electric
0628049263
MCB, UL1077, 3-Pole, C-Curve, 30 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66 -
Noark
B1E2C20
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60
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