-
Available Now! 
Available Now!Weg
UMBW-4C1-15
MCB, UL489, 1-Pole, C-Curve, 15 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series This is the Recommended Replacement for UMBW-4B1-15 (14360169), UMBW-4B1-16 (14360170) and UMBW-4C1-16 (13634520)
$24.91$24.91 -
Weg
UMBW-4D2-60
MCB, UL489, 2-Pole, D-Curve, 60 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
Available Now! 
Available Now!LS Electric
0627046763
MCB, UL489, 2-Pole, C-Curve, 40 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$33.59$33.59 -
$29.62$29.62 -
Noark
B1D2D63
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 63 Amp, 10kA, 250VDC, Box Lug, B1D Series
$59.66$59.66 -
Available Now! 
Available Now!Noark
B1E2B30
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$7.70$7.70 -
$45.26$45.26 -
Available Now! 
Available Now!Weg
MPW80-3-U040
Manual Motor Protector, 80A, 32-40A Overload Setting Range, 3-Pole, 690V, 50/60Hz, Terminal Box, Rotary Handle, IP20
$175.18$175.18 -
Weg
MPW80-3-U050
Manual Motor Protector, 80A, 40-50A Overload Setting Range, 3-Pole, 690V, 50/50Hz, Terminal Box, Rotary Handle, IP20
$175.18$175.18 -
Available Now! 
Available Now!Weg
UMBW-1D2-1
MCB, UL1077, 2-Pole, D-Curve, 1 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Weg
UMBW-4D2-40
MCB, UL489, 2-Pole, D-Curve, 40 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
Available Now! 
Available Now!LS Electric
02050004UL
MCCB, 3-Pole, 30 Amp, 25kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 5.12 x 2.99 x 3.44" (HWD), Susol UL MCCB UTE100 Series, UL Listed, Molded Case Circuit Breaker
$350.71$350.71
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