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Noark
B1E3D25
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 25A, 5kA, 480Y/277VAC, Supplementary Protection
$43.11$43.11 -
$56.18$56.18 -
$56.18$56.18 -
$56.18$56.18 -
Available Now! 
Available Now!Sprecher and Schuh
L9-15/3/D
Miniature Circuit Breaker, D-Curve, 15 Amp, 480Y/277VAC, 10kA, 3-Pole, UL489 / CSA / CE, IP20
$219.73$219.73 -
LS Electric
0628040863
MCB, UL489, 3-Pole, D-Curve, 16 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$91.64$91.64 -
$88.84$88.84 -
$63.04$63.04 -
ABL Sursum
3D40UL
Circuit Breaker, 3-Pole, D-Curve, 40 Amp, UL48910kA, Branch Circuit Protection, 240VAC
$94.56$94.56 -
$67.82$67.82 -
Sprecher and Schuh
L9-1/3/D
Miniature Circuit Breaker, D-Curve, 1 Amp, 480Y/277VAC, 10kA, 3-Pole, UL489 / CSA / CE, IP20
$219.73$219.73 -
Weg
UMBW-4D3-30
MCB, UL489, 3-Pole, D-Curve, 30 Amp (30A), 240VAC/125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$74.26$74.26
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