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LS Electric
0627049663
MCB, UL489, 2-Pole, C-Curve, 6 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$49.76$49.76 -
Available Now! 
Available Now!Noark
B1N2D10
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 10A, 240VAC/125VDC, 10kA, Box Lugs
$24.88$24.88 -
Weg
UMBW-1D3-20
MCB, UL1077, 3-Pole, D-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
LS Electric
0627038363
MCB, UL1077, 2-Pole, C-Curve, 6 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$21.20$21.20 -
Available Now! 
Available Now!Weg
MPW40-3-D063
Manual Motor Protector, 40A, 4.0-6.3A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$63.16$63.16 -
Available Now! 
Available Now!LS Electric
02050011UL
MCCB, 3-Pole, 100 Amp, 25kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 5.12 x 2.99 x 3.44" (HWD), Susol UL MCCB UTE100 Series, UL Listed, Molded Case Circuit Breaker
$350.71$350.71 -
Available Now! 
Available Now!LS Electric
0628030063
MCB, UL1077, 3-Pole, D-Curve, 20 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$35.45$35.45 -
LS Electric
0628048863
MCB, UL1077, 3-Pole, B-Curve, 30 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$33.76$33.76 -
Noark
B1E2D5
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 5A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
$19.30$19.30 -
LS Electric
02050007UL
MCCB, 3-Pole, 60 Amp, 25kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 5.12 x 2.99 x 3.44" (HWD), Susol UL MCCB UTE100 Series, UL Listed, Molded Case Circuit Breaker
$350.71$350.71 -
LS Electric
0626034663
MCB, UL1077, 1-Pole, B-Curve, 4 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$5.53$5.53
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