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Noark
B1NQ2B8T
Miniature Circuit Breaker, UL489, 2-Poles, B-Curve, 8 Amp, 10kA, 120/240 VAC, Quick Connection, Load Side, B1NQ Series
$40.21$40.21 -
Weg
UMBW-1B1-1.5
MCB, UL1077, 1-Pole, B-Curve, 1.5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-1.6
MCB, UL1077, 1-Pole, B-Curve, 1.6 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-13
MCB, UL1077, 1-Pole, B-Curve, 13 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Available Now! 
Available Now!Weg
UMBW-1B1-16
MCB, UL1077, 1-Pole, B-Curve, 16 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-3
MCB, UL1077, 1-Pole, B-Curve, 3 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-30
MCB, UL1077, 1-Pole, B-Curve, 30 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-32
MCB, UL1077, 1-Pole, B-Curve, 32 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-4
MCB, UL1077, 1-Pole, B-Curve, 4 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-40
MCB, UL1077, 1-Pole, B-Curve, 40 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-50
MCB, UL1077, 1-Pole, B-Curve, 50 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25 -
Weg
UMBW-1B1-60
MCB, UL1077, 1-Pole, B-Curve, 60 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series
$9.25$9.25
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