QO390VH

The model QO390VH from Schneider Electric, part of the Square D series, is a miniature circuit-breaker with a current capacity of 90 A. It operates effectively at a voltage rating of 120/240 VAC, making it suitable for a range of applications. The plug-in mounting method simplifies the installation process, allowing for quick integration into electrical systems.

This circuit breaker features a three-pole design, providing a robust electrical connection through box lugs and ensuring a secure fit. Its interrupt rating stands at 22 kA, which provides adequate protection against potential overloads in the system. A tightening torque of 5.6 N.m is required for installation, ensuring all connections are securely fastened.

The QO390VH can operate in environments with ambient temperatures of up to 40 °C, accommodating a range of operating conditions. With a net weight of 0.494 kg, it is lightweight yet capable of handling the demands of its rating effectively. It accepts wire sizes up to AWG 4 and occupies three panel spaces, making hardware installation straightforward and efficient. Furthermore, the breaker is HACR rated, confirming its suitability for HVAC equipment. The product is UL-listed and CSA-certified, ensuring compliance with high safety and quality standards. Its dimensions, measuring 89 mm in height, 57 mm in width, and 74 mm in depth, allow it to fit within a compact space while maintaining effective functionality.