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LS Electric
0626044663
MCB, UL489, 1 Pole, D Curve, 20 Amp (20A), 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker, Replacement for 0626041563, BK63HU 1P D20A 10kA 120/240VAC UL489
$15.68$15.68 -
LS Electric
0626051863
MCB, UL1077, 1-Pole, D-Curve, 8 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
LS Electric
0626053163
MCB, UL1077, 1-Pole, D-Curve, 15 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
$6.68$6.68 -
$29.62$29.62 -
ABL Sursum
1D13UR
Circuit Breaker, 1-Pole, D-Curve, 13 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
Available Now! 
$22.38$22.38 -
$21.01$21.01 -
ABL Sursum
1D8UR
Circuit Breaker, 1-Pole, D-Curve, 8 Amp, UL1077, 277VAC, 10kA, Supplementary Protection
$15.76$15.76 -
$19.30$19.30 -
$19.30$19.30 -
Sprecher and Schuh
L9-3/1/D
Miniature Circuit Breaker, D-Curve, 3 Amp, 277VAC/48VDC, 10kA, 1-Pole, UL489 / CSA / CE, IP20
$82.61$82.61 -
Weg
UMBW-1D1-1
MCB, UL1077, 1-Pole, D-Curve, 1 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75
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