-
$53.47$53.47 -
$29.58$29.58 -
Weg
UMBW-1D2-50
MCB, UL1077, 2-Pole, D-Curve, 50 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.76$17.76 -
Available Now! 
Available Now!LS Electric
02050011UL
MCCB, 3-Pole, 100 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
$281.34$281.34 -
LS Electric
02050076UL
MCCB, 3-Pole, 100 Amp, 35kA@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
$334.94$334.94 -
LS Electric
0626035763
MCB, UL1077, 1-Pole, C-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.71$7.71 -
Available Now! 
Available Now!LS Electric
0627056563
MCB, UL489, 2-Pole, C-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$38.73$38.73 -
Available Now! 
Available Now!LS Electric
0628039863
MCB, UL489, 3-Pole, C-Curve, 10 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.94$63.94 -
Noark
B1E2C40
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 40A, 5kA, 480Y/277VAC, Supplementary Protection
$22.95$22.95 -
Available Now! 
Available Now!Weg
MPW40-3-U004
Manual Motor Protector, 40A, 2.5-4.0A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$53.43$53.43 -
Available Now! 
Available Now!Weg
UBW225N-FTU200-3A
MCCB, 200A@480VAC, 35kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$496.00$496.00 -
Available Now! 
Available Now!Weg
UMBW-1C1-5
MCB, UL1077, 1-Pole, C-Curve, 5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25
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