-
Available Now! 
Available Now!Weg
UMBW-1C3-20
MCB, UL1077, 3-Pole, C-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.75$17.75 -
LS Electric
0627040363
MCB, UL1077, 2-Pole, D-Curve, 50 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
$18.86$18.86 -
Available Now! 
Available Now!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 -
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 -
$23.74$23.74 -
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
$170.54$170.54 -
LS Electric
0626052663
MCB, UL1077, 1-Pole, C-Curve, 8 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
Noark
B1N1B0.5
Miniature Circuit Breaker, UL489, 1-Pole, B-Curve, 0.5A, 240VAC/60VDC, 10kA, Box Lugs
$19.31$19.31 -
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 -
LS Electric
0626030463
MCB, UL1077, 1-Pole, B-Curve, 1 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker,
$7.62$7.62 -
LS Electric
0626032363
MCB, UL1077, 1-Pole, C-Curve, 16 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
Weg
UMBW-1C3-10
MCB, UL1077, 3-Pole, C-Curve, 10 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55
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