-
Available Now! 
Available Now!Weg
UMBW-1D1-1.6
MCB, UL1077, 1-Pole, D-Curve, 1.6 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$10.59$10.59 -
Available Now! 
Available Now!Weg
UMBW-4D1-30
MCB, UL489, 1-Pole, D-Curve, 30 Amp, 120VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
Available Now! 
Available Now!Weg
UMBW-1D2-30
MCB, UL1077, 2-Pole, D-Curve, 30 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$20.34$20.34 -
Available Now! 
Available Now!Noark
B1E1D3
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1N2D30
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 30A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
Available Now! 
Available Now!Noark
B1N2D25
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 25A, 240VAC/125VDC, 10kA, Box Lugs
$20.24$20.24 -
Available Now! 
Available Now!Noark
B1N2D20
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 20A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
Available Now! 
Available Now!Noark
B1N2D40
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 40A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
Available Now! 
Available Now!Noark
B1E2D20
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$25.81$25.81 -
Available Now! 
Available Now!Noark
B1E3D20
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$43.11$43.11 -
Available Now! 
Available Now!Noark
B1E3D63
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 63A, 5kA, 480Y/277VAC, Supplementary Protection
$27.23$27.23 -
Available Now! 
Available Now!Noark
B1N1D10
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 10A, 240VAC/60VDC, 10kA, Box Lugs
$17.45$17.45
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