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$42.04$42.04 -
$63.04$63.04 -
Available Now! 
Available Now!Noark
B1E2B30
Miniature Circuit Breaker, UL1077, 2-Poles, B-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$7.70$7.70 -
Noark
B1E2C5
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 5A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Noark
B1E3B35
Miniature Circuit Breaker, UL1077, 3-Poles, B-Curve, 35A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
Noark
B1E3C30
Miniature Circuit Breaker, UL1077, 3-Poles, C-Curve, 30A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
Noark
B1N2B10
Miniature Circuit Breaker, UL489, 2-Poles, B-Curve, 10A, 240VAC/125VDC, 10kA, Box Lugs
$38.11$38.11 -
$36.87$36.87 -
$56.18$56.18 -
Available Now! 
Available Now!Sprecher and Schuh
KTA9-32S-16A
Motor Protection Circuit Breaker, Frame C, Standard Capacity, 10-16 Amps, 224A Magnetic Trip, 3hp@200V / 5hp@230V / 10hp @460V / 10hp@575V, Open Type, KTA9
$222.07$222.07 -
Sprecher and Schuh
L8-7/1/D
Circuit Breaker, Supplementary Protector, D-Curve, 7 Amp, 277VAC/48VDC, 10kA, 1-Pole, UL1077 / NFPA79 / CSA / CE, IP20
$51.90$51.90 -
Noark
M1N125T1L
Molded Case Circuit Breaker, MCCB, UL489, M1N, 150 A Frame Size, 100kA @ 240VAC / 65kA @ 480VAC, 125 Amp, Thermal-Magnetic Trip, 1-Pole, Lug Line/Load Side Connection Connection, EX9M1N Series
$231.38$231.38
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