-
$56.18$56.18 -
$214.27$214.27 -
Available Now! 
Available Now!Weg
MPW18-3-U010
Manual Motor Protector, 18A, 6.3-10A Overload Setting Range, 3-Pole, 690V, 50/60Hz, On/Off Pushbutton, Screw Terminal, IP20
$57.63$57.63 -
$370.56$370.56 -
Weg
UBW400N-FTU300-3A
MCCB, 300A@480VAC, 35kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$1,152.00$1,152.00 -
Weg
UBW600H-FTU600-3A
MCCB, 600A@480VAC, 65kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$2,688.00$2,688.00 -
Weg
UMBW-1B1-6
MCB, UL1077, 1-Pole, B-Curve, 6 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Available Now! 
Available Now!Weg
UMBW-1D2-20
MCB, UL1077, 2-Pole, D-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Weg
UMBW-1D3-40
MCB, UL1077, 3-Pole, D-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Weg
UMBW-4C1-2
MCB, UL489, 1-Pole, C-Curve, 2 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
Weg
UMBW-4D1-60
MCB, UL489, 1-Pole, D-Curve, 60 Amp, 120VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
LS Electric
02050300UL
MCCB, 3-Pole, 30 Amp, 65kA@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
$468.74$468.74
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