Square D Q1B390 Molded Case Circuit Breaker
- amperage: 90A
- voltage: 240V AC
- poles: 3-Pole
- mounting: Bolt-On
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Square D Q1B390 90A 3-Pole Bolt-On Molded Case Circuit Breaker. Key specifications include 90 A Amperage, 240V AC Voltage, 3-Pole configuration, Thermal-Magnetic protection, and Bolt-On Mounting Type. The Square D Q1B390 is a 3-Pole molded case circuit breaker designed for reliable protection in load centers and panelboards. Rated for 90 Amperes at 240V AC, this thermal-magnetic breaker features a bolt-on connection, ensuring secure and stable mounting suitable for commercial and industrial applications requiring overcurrent protection.

