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$36.87$36.87 -
$56.18$56.18 -
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 -
Altech Corp.
MA1.6UM
Circuit Breaker, 3 Phase, Adjustable Trip, 1.6A, Handles High Inrush Loads of 3 Phase Devices
$120.81$120.81 -
Weg
MPW18-3-U001
Manual Motor Protector, 18A, 0.63-1A Overload Setting Range, 3-Pole, 690V, 50/60Hz, On/Off Pushbutton, Screw Terminal, IP20
$48.41$48.41 -
Weg
MPW40-3-U001
Manual Motor Protector, 40A, 0.63-1.0A Overload Setting Range, 3-Pole, Screw Terminal, Rotary Handle, IP20
$63.16$63.16 -
IDEC
NH1S-3100-10AA
Circuit Protector, 3-Pole, 10A, Series Trip, without Auxiliary Contact, without Inertia delay, tab terminal
$71.34$71.34 -
Weg
UBW225H-FTU200-3A
MCCB, 200A@480VAC, 65kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$787.20$787.20 -
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 -
Weg
UMBW-4C2-1.5
MCB, UL489, 2-Pole, C-Curve, 1.5 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
Available Now! 
Available Now!LS Electric
02050202UL
MCCB, 3-Pole, 70 Amp, 35kA@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, Non-Cancellable, No Returns
$459.25$459.25
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