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ABL Sursum
3B50UR
Circuit Breaker, 3-Pole, B-Curve, 50 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection
$50.15$50.15 -
$63.04$63.04 -
Noark
B1D2C10
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 10 Amp, 10kA, 250VDC, Box Lug, B1D Series
$59.66$59.66 -
Noark
B1E1D1.6
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 1.6A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
$67.82$67.82 -
Noark
B1N2B15
Miniature Circuit Breaker, UL489, 2-Poles, B-Curve, 15A, 240VAC/125VDC, 10kA, Box Lugs
$38.11$38.11 -
$36.87$36.87 -
Available Now! 
Available Now!LS Electric
02050205UL
MCCB, 3-Pole, 100 Amp, 35kA@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
$433.26$433.26 -
LS Electric
02090048UL
Molded Case Circuit Breaker, 3-Pole, 225 Amp, 100kA at 240V, 65kA at 480V, 35kA at 600V, Fixed Thermal / Magnetic, Lugs Line / Load Side, 7.48 x 4.13 x 3.44" (HWD)
$794.23$794.23 -
LS Electric
0626032863
MCB, UL1077, 1-Pole, C-Curve, 50 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$8.51$8.51 -
LS Electric
0626035763
MCB, UL1077, 1-Pole, C-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$7.62$7.62 -
LS Electric
0627037363
MCB, UL1077, 2-Pole, B-Curve, 20 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$16.30$16.30
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