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Available Now! 
Available Now!LS Electric
0627049363
MCB, UL489, 2-Pole, C-Curve, 2 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$33.59$33.59 -
LS Electric
0627055663
MCB, UL489, 2-Pole, C-Curve, 30 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$33.59$33.59 -
LS Electric
0628039163
MCB, UL489, 3-Pole, B-Curve, 20 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$55.44$55.44 -
Available Now! 
$59.22$59.22 -
$63.04$63.04 -
Noark
B1D2C30
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 30 Amp, 10kA, 250VDC, Box Lug, B1D Series
$59.66$59.66 -
Noark
B1E1B10
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 10A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E1C6
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 6A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1E2C30
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E2D15
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 15A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
$67.82$67.82 -
Noark
B1N2C60
Miniature Circuit Breaker, UL489, 2-Poles, C-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