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Noark
B1E2D15
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 15A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
$67.82$67.82 -
Weg
UMBW-1D3-2
MCB, UL1077, 3-Pole, D-Curve, 2 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Weg
UMBW-4D1-15
MCB, UL489, 1-Pole, D-Curve, 15 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
Weg
UMBW-4D1-3
MCB, UL489, 1-Pole, D-Curve, 3 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
Weg
UMBW-4D2-15
MCB, UL489, 2-Pole, D-Curve, 15 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
Available Now! 
Available Now!LS Electric
0626050663
MCB, UL489, 1-Pole, D-Curve, 5 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$24.38$24.38 -
Available Now! 
Available Now!LS Electric
0627050663
MCB, UL489, 2-Pole, D-Curve, 10 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$52.25$52.25 -
Noark
B1E1D1.6
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 1.6A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
$36.87$36.87 -
Weg
UMBW-1D1-15
MCB, UL1077, 1-Pole, D-Curve, 15 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-1D1-3
MCB, UL1077, 1-Pole, D-Curve, 3 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75
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