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Noark
B1N2C16
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 16A, 240VAC/125VDC, 10kA, Box Lugs
$29.58$29.58 -
Noark
B1N2D13
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 13A, 240VAC/125VDC, 10kA, Box Lugs
$29.58$29.58 -
$43.78$43.78 -
$45.05$45.05 -
Noark
M1D1503L
MCS, UL489, M1D, 150 A Frame Size, 150 Amp, 3-Pole, Line/Load Lug Connection, Ex9M1D Molded Case Switch Series
$252.45$252.45 -
Weg
UMBW-1C2-1.2
MCB, UL1077, 2-Pole, C-Curve, 1.2 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.76$17.76 -
Weg
UMBW-1D1-20
MCB, UL1077, 1-Pole, D-Curve, 20 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Available Now! 
Available Now!LS Electric
0626043563
MCB, UL489, 1-Pole, C-Curve, 10 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$18.08$18.08 -
Available Now! 
Available Now!LS Electric
0628040063
MCB, UL489, 3-Pole, C-Curve, 20 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$63.94$63.94 -
$53.00$53.00 -
$53.47$53.47 -
Weg
UMBW-1D2-40
MCB, UL1077, 2-Pole, D-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$17.76$17.76
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