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LS Electric
0626033763
MCB, UL1077, 1-Pole, D-Curve, 20 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
ABL Sursum
3D60UL
Circuit Breaker, 3-Pole, D-Curve, 60 Amp, UL48910kA, Branch Circuit Protection, 240VAC
$94.56$94.56 -
$56.18$56.18 -
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 -
Available Now! 
Available Now!Noark
B1E3D60
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 60A, 5kA, 480Y/277VAC, Supplementary Protection
$43.12$43.12 -
LS Electric
0626033063
MCB, UL1077, 1-Pole, D-Curve, 1 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
LS Electric
0626037063
MCB, UL1077, 1-Pole, D-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
$63.04$63.04 -
Noark
B1E2D30
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E2D40
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 40A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Available Now! 
Available Now!Noark
B1E3D30
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$43.12$43.12 -
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
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