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LS Electric
0626049563
MCB, UL489, 1-Pole, C-Curve, 30 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$15.68$15.68 -
LS Electric
0626051663
MCB, UL1077, 1-Pole, C-Curve, 30 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
LS Electric
0626051763
MCB, UL1077, 1-Pole, D-Curve, 5 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
$21.01$21.01 -
Available Now! 
Available Now!ABL Sursum
1D4UR
Circuit Breaker, 1-Pole, D-Curve, 4 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
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 -
Weg
UMBW-4C1-2
MCB, UL489, 1-Pole, C-Curve, 2 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
LS Electric
0626031063
MCB, UL1077, 1-Pole, B-Curve, 16 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
LS Electric
0626036463
MCB, UL1077, 1-Pole, C-Curve, 25 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
LS Electric
0626037163
MCB, UL1077, 1-Pole, D-Curve, 3 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
Available Now! 
Available Now!LS Electric
0626050463
MCB, UL489, 1-Pole, C-Curve, 8 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$15.68$15.68
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