-
Available Now! 
Available Now!Weg
UMBW-1D3-20
14361310
MCB, UL1077, 3-Pole, D-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Available Now! 
Available Now!Weg
UMBW-1D2-6
14361180, | Limited Stock Savings: 6 units available at this price
MCB, UL1077, 2-Pole, D-Curve, 6 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$13.61$13.61 -
Available Now! 
Available Now!Doepke
2D20UL
Limited Stock Savings: 2 units available at this price
Circuit Breaker, 2-Pole, D-Curve, 20 Amp, UL489, 10kA, Branch Circuit Protection, Molded Case
$54.17$54.17 -
Available Now! 
Available Now!Doepke
2D15UL
This is the Recommended Replacement for 2DU15L | Limited Stock Savings: 2 units available at this price
Circuit Breaker, 2-Pole, D-Curve, 15 Amp, UL489, 10kA, Branch Circuit Protection, Molded Case
$51.04$51.04 -
Available Now! 
Available Now!Doepke
3D50UL
Replaced 3DU50L
MCCB, UL489, 3-Pole, D-Curve, 50 Amp, 10kA, 240VAC, 50/60Hz, 10kA Short Circuit Interrupting Capacity Protection, DIN Rail Mounting, 17.5mm Width, Thermal Magnetic, Miniature Molded Case Circuit Breaker, IP20
$94.56$94.56 -
Available Now! 
Available Now!Weg
UMBW-4D2-15
14363103, Replacement for UMBW-4D2-16 (13642042)
MCB, UL489, 2-Pole, D-Curve, 15 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$50.29$50.29 -
Available Now! 
Available Now!Weg
UMBW-1D2-60
13986548, Replaces UMBW-1D2-63, 14361182
MCB, UL1077, 2-Pole, D-Curve, 60 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Available Now! 
Available Now!Weg
UMBW-1D1-1.6
14361461 | Limited Stock Savings: 2 units available at this price
MCB, UL1077, 1-Pole, D-Curve, 1.6 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$10.59$10.59 -
Available Now! 
Available Now!Weg
UMBW-4D1-30
14405683, Replacement for UMBW-4D1-32 (13642024)
MCB, UL489, 1-Pole, D-Curve, 30 Amp, 120VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$24.91$24.91 -
Available Now! 
Available Now!Weg
UMBW-1D2-30
14361101, Replacement for UMBW-1D2-32 (14361102) | Limited Stock Savings: 1 unit available at this price
MCB, UL1077, 2-Pole, D-Curve, 30 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$18.86$18.86 -
Available Now! 
Available Now!Noark
B1E1D3
1000465
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 3A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Available Now! 
Available Now!Noark
B1N2D30
1000125
Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 30A, 240VAC/125VDC, 10kA, Box Lugs
$36.87$36.87
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