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Available Now! 
Available Now!Noark
B1E1D3
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1D1D15
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 15 Amp, 10kA, 125VDC, Box Lug, B1D Series
$29.83$29.83 -
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B1E3D32
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 32A, 5kA, 480Y/277VAC, Supplementary Protection
$43.11$43.11 -
Available Now! 
Available Now!Noark
B1N1D10
Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 10A, 240VAC/60VDC, 10kA, Box Lugs
$19.30$19.30 -
$19.30$19.30 -
Noark
B1N2D10
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 10A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
Noark
B1E2D5
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 5A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Available Now! 
Available Now!Noark
B1E3D63
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 63A, 5kA, 480Y/277VAC, Supplementary Protection
$30.03$30.03 -
Noark
B1N2D60
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 60A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87 -
Noark
B1E3D30
Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$43.11$43.11 -
$56.18$56.18 -
Noark
B1E2D30
Miniature Circuit Breaker, UL1077, 2-Poles, D-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60
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