Designed for robust electrical circuit protection in residential and commercial settings, the Schneider Electric Square D QOU3901200 is a 3-pole miniature circuit breaker. This unit is part of Schneider Electric's established Square D QOU series, known for its reliable performance and integration into various electrical distribution systems.

Technical details

• Series: Square D QOU
• Poles: 3
• Voltage Rating: 240 VAC
• Amperage Rating: 90 A
• Interrupting Rating: 10 kA at 240 VAC (Verify with manufacturer datasheet for full specifications)
• Terminal Type: Screw Clamp (Verify with manufacturer datasheet for full specifications)
• Mounting Type: Bolt-on (Verify with manufacturer datasheet for full specifications)
• Trip Unit Type: Thermal-Magnetic (Verify with manufacturer datasheet for full specifications)
• Operating Temperature Range: -40°C to 70°C (-40°F to 158°F) (Verify with manufacturer datasheet for full specifications)

Applications & compatibility

The QOU3901200 is suitable for use in main distribution panels, sub-panels, and as a branch circuit breaker in applications requiring protection for three-phase loads or circuits. It is commonly found in electrical systems for commercial buildings, light industrial facilities, and demanding residential installations where reliable overcurrent protection is paramount.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D QOU3901200 or contact our technical team for cross-reference assistance with compatible Square D QOU series components.