PowerPact B-frame circuit breaker accessory, LV426911, offers proven performance, flexibility, and reliability. This PowerPact Molded Case Circuit Breaker accessory is an undervoltage release. A voltage release can be used to trip the circuit breaker using a control signal. Shunt trips serve primarily for remote, emergency-off commands. Undervoltage releases disconnect under low-voltage conditions. With a 0.35 – 0.7 x Un Threshold tripping voltage and a response time of <50 ms. PowerPact B-frame ratings and types. Available in 1, 2, 3, and 4-pole unit mount construction & 1, 2, and 3-pole I-Line™ construction. Cost-effective fixed thermal-magnetic trip units from 15-125A up to 600Y/347 Vac. Interrupting ratings include D-18 kA, G-35 kA, and J-65 kA at 480 Vac. Unique I-Line construction mounts into Square D™ panelboards and switchboards. Designed to the same 1.5" per pole widths as the legacy F-frame, simplifying substitution without blank fillers. Unit mount (aka, lug-lug) construction is 30% smaller in size with 25% more capacity than the legacy unit-mount F-frame design EverLink atented technology. EverLink lug connectors reduce the loosening of cables over time using a spring tension design. EverLink lugs are rated for bare use with fine-stranded conductors up to Class K.

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