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Noark
B1N2C16
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 16A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
LS Electric
0627056363
MCB, UL489, 2-Pole, C-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, Replacement for 0627055363
$49.76$49.76 -
Noark
B1N2D60
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 60A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
$42.04$42.04 -
Weg
UMBW-1D2-10
MCB, UL1077, 2-Pole, D-Curve, 10 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
LS Electric
0627056263
MCB, UL489, 2-Pole, B-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$49.76$49.76 -
Noark
B1E2C20
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E2D30
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Available Now! 
Available Now!Noark
B1E2D40
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 40A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Weg
UMBW-1D2-50
MCB, UL1077, 2-Pole, D-Curve, 50 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Available Now! 
Available Now!LS Electric
0627056563
MCB, UL489, 2-Pole, C-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$52.25$52.25 -
$63.04$63.04
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