-
Available Now! 
Available Now!Noark
B1N1C20
Miniature Circuit Breaker, UL489, 1-Pole, C-Curve, 20A, 240VAC/60VDC, 10kA, Box Lugs
$17.57$17.57 -
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
$22.56$22.56 -
Noark
B1D1D15
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 15 Amp, 10kA, 125VDC, Box Lug, B1D Series
$29.83$29.83 -
Noark
B1D2C6
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 6 Amp, 10kA, 250VDC, Box Lug, B1D Series
$59.66$59.66 -
Available Now! 
Available Now!Weg
MPW40-3-U040
Manual Motor Protector, 40A, 32-40A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$115.25$115.25 -
Weg
UMBW-1D2-15
MCB, UL1077, 2-Pole, D-Curve, 15 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Weg
UMBW-4C3-15
MCB, UL489, 3-Pole, C-Curve, 15 Amp (15A), 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series, Recommended Replacement for UMBW-4B3-15 (14361333), UMBW-4B3-16 (14361335) and UMBW-4C3-16 (13641892)
$74.26$74.26 -
Available Now! 
Available Now!Noark
B1E2P100
Miniature Circuit Breaker, UL1077, 2-Poles, 100A, 5kA, 480Y/277VAC, 125VDC, Supplementary Protection
$34.83$34.83 -
Noark
B1E3D32
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 32A, 5kA, 480Y/277VAC, Supplementary Protection
$43.11$43.11 -
$17.57$17.57 -
Weg
UMBW-1D1-20
MCB, UL1077, 1-Pole, D-Curve, 20 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Noark
B1N2C20
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 20A, 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