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Noark
B1E3C35
Miniature Circuit Breaker, UL1077, 3-Poles, C-Curve, 35A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
Available Now! 
Available Now!Noark
B1E3D20
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$43.11$43.11 -
Available Now! 
Available Now!LS Electric
0628033963
MCB, UL1077, 3-Pole, D-Curve, 20 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66 -
Weg
UMBW-1C3-15
MCB, UL1077, 3-Pole, C-Curve, 15 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series This is the Recommended Replacement for UMBW-1B3-15 (14353254) , UMBW-1B3-16 (14353257) and UMBW-1C3-16 (14360250)
$30.55$30.55 -
Available Now! 
Available Now!LS Electric
0628049563
MCB, UL1077, 3-Pole, D-Curve, 15 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$22.79$22.79 -
Available Now! 
Available Now!Weg
UMBW-1C3-50
MCB, UL1077, 3-Pole, C-Curve, 50 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$19.07$19.07 -
Available Now! 
Available Now!LS Electric
0628033763
MCB, UL1077, 3-Pole, D-Curve, 10 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66 -
Weg
UMBW-1C3-20
MCB, UL1077, 3-Pole, C-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Weg
UMBW-1D3-50
MCB, UL1077, 3-Pole, D-Curve, 50 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Available Now! 
Available Now!Weg
MPW80-3-U065
Manual Motor Protector, 80A, 50-65A Overload Setting Range, Trip Indication, 3-Pole, 690V, 50/60Hz, Terminal Box, Rotary Handle, IP20
$175.18$175.18 -
Weg
UMBW-1C3-40
MCB, UL1077, 3-Pole, C-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Weg
UMBW-4C3-20
MCB, UL489, 3-Pole, C-Curve, 20 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$74.26$74.26
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