Square D QOB390VH – 90A 3-Pole Bolt-On Circuit Breaker Overview
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The Square D QOB390VH is a 90-amp, 3-pole bolt-on circuit breaker designed for reliable protection in 120/240V AC systems. It features a thermal/magnetic trip mechanism and a visual trip indicator for easy troubleshooting. Ideal for residential and commercial use, it supports wire sizes from 4 AWG to 2/0 AWG and is compatible with NQ panelboards. This breaker is UL listed and HACR rated, making it suitable for heating and air conditioning applications.
Listed by: Koryon (Sales Team)
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