-
Weg
UMBW-1C2-15
MCB, UL1077, 2-Pole, C-Curve, 15 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.76$17.76 -
Weg
UMBW-4C2-3
MCB, UL489, 2-Pole, C-Curve, 3 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$39.59$39.59 -
Weg
UMBW-4C3-15
MCB, UL489, 3-Pole, C-Curve, 15 Amp (15A), 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series, Recommended Replacement for UMBW-4B3-15 (14361333), UMBW-4B3-16 (14361335) and UMBW-4C3-16 (13641892)
$58.46$58.46 -
Available Now! 
Available Now!LS Electric
0626030463
MCB, UL1077, 1-Pole, B-Curve, 1 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker,
$7.71$7.71 -
$14.64$14.64 -
Available Now! 
Available Now!Weg
MPW40-3-U020
Manual Motor Protector, 40A, 16-20A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$64.35$64.35 -
Noark
B1E3D40
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 40A, 5kA, 480Y/277VAC, Supplementary Protection
$35.93$35.93 -
Weg
UMBW-1C3-50
MCB, UL1077, 3-Pole, C-Curve, 50 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.05$24.05 -
Noark
B1E3D32
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 32A, 5kA, 480Y/277VAC, Supplementary Protection
$35.93$35.93 -
Altech Corp.
2CU20L
Circuit Breaker, UL489, 2-Pole, C-Curve, 20 Amp, 10kA, Branch Circuit Protection, Miniature Molded Case Circuit Breaker, IP20
$47.31$47.31 -
Available Now! 
Available Now!Noark
B1N1D10
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 10A, 240VAC/60VDC, 10kA, Box Lugs
$16.09$16.09 -
Available Now! 
Available Now!Weg
MPW40-3-U032
Manual Motor Protector, 40A, 25-32A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$81.90$81.90
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