-
Weg
UMBW-1D3-40
MCB, UL1077, 3-Pole, D-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$30.55$30.55 -
Noark
B1E2C40
Miniature Circuit Breaker, UL1077, 2-Poles, C-Curve, 40A, 5kA, 480Y/277VAC, Supplementary Protection
$28.60$28.60 -
Weg
UMBW-1C2-1
MCB, UL1077, 2-Pole, C-Curve, 1 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Available Now! 
Available Now!Weg
UMBW-1C3-60
MCB, UL1077, 3-Pole, C-Curve, 60 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$19.70$19.70 -
Available Now! 
Available Now!Weg
UMBW-1D2-1
MCB, UL1077, 2-Pole, D-Curve, 1 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$22.56$22.56 -
Noark
B1E1B30
Miniature Circuit Breaker, UL1077, 1-Pole, B-Curve, 30A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E1C32
Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 32A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E1D5
Miniature Circuit Breaker, UL1077, 1-Pole, D-Curve, 5A, 5kA, 277VAC, Supplementary Protection
$14.30$14.30 -
Noark
B1E3B20
Miniature Circuit Breaker, UL1077, 3-Poles, B-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection
$41.88$41.88 -
Carlo Gavazzi
GSB632PC20
Supplementary Circuit Protector, UL1077, 2 Pole, C-Curve, 20A Overload Range, 277VAC, 5kA, DIN Rail Mount, IP20, GSB63 Series
$23.19$23.19 -
Weg
UMBW-1B1-3
MCB, UL1077, 1-Pole, B-Curve, 3 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$11.75$11.75 -
Weg
UMBW-1B1-6
MCB, UL1077, 1-Pole, B-Curve, 6 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