-
$29.58$29.58 -
Noark
B1NQ1B4
Miniature Circuit Breaker, UL489, 1 Pole, B-Curve, 4 Amp, 10kA, 120/240 VAC, Box Lug, B1NQ Series
$19.13$19.13 -
Noark
B1NQ2B30
Miniature Circuit Breaker, UL489, 2 Pole, B-Curve, 30 Amp, 10kA, 120/240 VAC, Box Lug, B1NQ Series
$40.21$40.21 -
Noark
B1NQ2C60
Miniature Circuit Breaker, UL489, 2 Pole, C-Curve, 60 Amp, 10kA, 120/240 VAC, Box Lug, B1NQ Series
$41.48$41.48 -
Noark
B1NQ2C8T
Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 8 Amp, 10kA, 120/240 VAC, Quick Connection, Load Side, B1NQ Series
$41.48$41.48 -
Noark
B1NQ2D10
Miniature Circuit Breaker, UL489, 2 Pole, D-Curve, 10 Amp, 10kA, 120/240 VAC, Box Lug, B1NQ Series
$44.03$44.03 -
Altech Corp.
MA1.0UM
Circuit Breaker, 3 Phase, Adjustable Trip, 1.0A, Handles High Inrush Loads of 3 Phase Devices
$101.56$101.56 -
Available Now! 
Available Now!Weg
MPW100-3-U100
Manual Motor Protector, 100A, 80-100A Overload Setting Range, 3-Pole, 690V, 50/60Hz, Terminal Box, IP20
$280.80$280.80 -
Available Now! 
Available Now!Weg
UBW400H-FTU400-3A
MCCB, 400A@480VAC, 65kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$1,184.00$1,184.00 -
Weg
UBW800H-FTU800-3A
MCCB, 800A@480VAC, 65kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic
$2,560.00$2,560.00 -
Weg
UMBW-4C1-2
MCB, UL489, 1-Pole, C-Curve, 2 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$19.61$19.61 -
Weg
UMBW-4D1-20
MCB, UL489, 1-Pole, D-Curve, 20 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$19.61$19.61
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