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Weg
MPW40-3-C063
Manual Motor Protector, 40A, 0.40-0.63A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$63.16$63.16 -
Available Now! 
Available Now!Weg
UMBW-4D1-35
MCB, UL489, 1-Pole, D-Curve, 35 Amp, 120VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
Weg
UMBW-1C1-5
MCB, UL1077, 1-Pole, C-Curve, 5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-4C1-10
MCB, UL489, 1-Pole, C-Curve, 10 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
Weg
DWB100JH100-3DX
MCCB, 100A@480Y/277VAC, 14kA IC, 100% Rated, 3-Pole, UL489, Fixed Thermal/Magnetic
$267.65$267.65 -
Weg
UMBW-1D2-40
MCB, UL1077, 2-Pole, D-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Weg
UMBW-4D1-10
MCB, UL489, 1-Pole, D-Curve, 10 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
Weg
UBW225N-FTU200-3A
MCCB, 200A@480VAC, 35kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$595.20$595.20 -
Weg
UMBW-1C1-2
MCB, UL1077, 1-Pole, C-Curve, 2 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-1C2-1.2
MCB, UL1077, 2-Pole, C-Curve, 1.2 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Weg
UMBW-1C2-50
MCB, UL1077, 2-Pole, C-Curve, 50 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Weg
UMBW-4C2-40
MCB, UL489, 2-Pole, C-Curve, 40 Amp, 277/480VAC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29
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