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Sprecher and Schuh
L9-20/3/C
Miniature Circuit Breaker, C-Curve, 20 Amp, 480Y/277VAC, 10kA, 3-Pole, UL489 / CSA / CE, IP20
$213.55$213.55 -
Sprecher and Schuh
L9-63/3/D
Miniature Circuit Breaker, D-Curve, 63 Amp, 240VAC, 10kA, 3-Pole, UL489 / CSA / CE, IP20
$327.22$327.22 -
Altech Corp.
MA1.0UM
Circuit Breaker, 3 Phase, Adjustable Trip, 1.0A, Handles High Inrush Loads of 3 Phase Devices
$120.81$120.81 -
Altech Corp.
MA25UM
Circuit Breaker, Three Phase, Adjustable Trip, 25 Amp, Handles High Inrush Loads of Three Phase Devices, Miniature Circuit Breaker
$138.07$138.07 -
Weg
UBW225H-FTU100-3A
MCCB, 100A@480VAC, 65kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$405.12$405.12 -
Weg
UBW800S-FTU800-3A
MCCB, 800A@480VAC, 50kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$2,304.00$2,304.00 -
Weg
UMBW-1C3-6
MCB, UL1077, 3-Pole, C-Curve, 6 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Weg
UMBW-1D3-10
MCB, UL1077, 3-Pole, D-Curve, 10 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Weg
UMBW-1D3-35
MCB, UL1077, 3-Pole, D-Curve, 35 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Weg
UMBW-4C3-2
MCB, UL489, 3-Pole, C-Curve, 2 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$74.26$74.26 -
Weg
UMBW-4D3-25
MCB, UL489, 3-Pole, D-Curve, 25 Amp, 240VAC/125VDC, 10kA, Thermal-Magnetic Miniaure Circuit Breaker, IP20, UMBW Series
$74.26$74.26 -
Available Now! 
Available Now!LS Electric
02050001UL
MCCB, 3-Pole, 15 Amp, 25kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 5.12 x 2.99 x 3.44" (HWD), Susol UL MCCB UTE100 Series, UL Listed, Molded Case Circuit Breaker
$350.71$350.71
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