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Weg
UMBW-4D2-15
MCB, UL489, 2-Pole, D-Curve, 15 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
Weg
MPW40-3-D016
Manual Motor Protector, 40A, 1.0-1.6A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$63.16$63.16 -
Weg
UMBW-1D1-15
MCB, UL1077, 1-Pole, D-Curve, 15 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-1D1-3
MCB, UL1077, 1-Pole, D-Curve, 3 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
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-4C2-10
MCB, UL489, 2-Pole, C-Curve, 10 Amp, 277/480Y VAC, 125 VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
$255.36$255.36 -
$255.36$255.36 -
Weg
UMBW-1C2-1
MCB, UL1077, 2-Pole, C-Curve, 1 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
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 -
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
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