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$29.62$29.62 -
Noark
B1D2C30
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 30 Amp, 10kA, 250VDC, Box Lug, B1D Series
$59.66$59.66 -
Noark
B1E1D3
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1E2C2
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 2A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E2D15
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 15A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
$67.82$67.82 -
$54.65$54.65 -
Weg
UBW225N-FTU125-3A
MCCB, 125A@480VAC, 35kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$422.40$422.40 -
Weg
UMBW-1C1-10
MCB, UL1077, 1-Pole, C-Curve, 10 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
LS Electric
0627056363
MCB, UL489, 2-Pole, C-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, Replacement for 0627055363
$38.28$38.28 -
LS Electric
0627057563
MCB, UL1077, 2-Pole, C-Curve, 5 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$16.30$16.30 -
ABL Sursum
1D10UR
Circuit Breaker, 1-Pole, D-Curve, 10 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76
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