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Noark
B1N2B10
Miniature Circuit Breaker, UL489, 2-Poles, B-Curve, 10A, 240VAC/125VDC, 10kA, Box Lugs
$38.11$38.11 -
LS Electric
0626031063
MCB, UL1077, 1-Pole, B-Curve, 16 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$11.05$11.05 -
LS Electric
0627037563
MCB, UL1077, 2-Pole, B-Curve, 32 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
$23.65$23.65 -
$21.01$21.01 -
Altech Corp.
1B13UM
MCB, 1-Pole, B-Curve, 13 Amp (13A), 480Y/277VAC, UL508 Listed, Miniature Circuit Breaker, -25 to +55°C (-13 to +131°F), IP20
$21.01$21.01 -
$21.01$21.01 -
$42.04$42.04 -
Noark
B1E2B25
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 25A, 5kA, 480Y/277VAC, Supplementary Protection, Special Order, Non-Cancellable, No Returns
$27.58$27.58 -
Noark
B1E2B35
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 35A, 5kA, 480Y/277VAC, Supplementary Protection
$27.58$27.58 -
Available Now! 
Available Now!Noark
B1E2B50
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 50A, 5kA, 480Y/277VAC, Supplementary Protection
$14.41$14.41 -
LS Electric
0627048463
MCB, UL489, 2-Pole, B-Curve, 2 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$55.52$55.52 -
LS Electric
0628030663
MCB, UL1077, 3-Pole, B-Curve, 1 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
$37.66$37.66
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