Square D QOM50VHL 50A 1-Pole 50 V Circuit Breaker

Meet the Square D QOM50VHL — a purpose-built circuit breaker engineered to protect low-voltage circuits with precision. This 50 A, 1-Pole, 50 V unit is designed to slot into compatible Square D panels, delivering reliable overcurrent protection where every amp counts.

Why this breaker stands out

• Compact 1-pole design provides straightforward protection for single circuits in space-constrained panels.
• 50 A current rating ensures robust protection for wiring and devices on higher-load control circuits within the 50 V ceiling.
• Low-voltage suitability with a 50 V maximum rating makes it ideal for control circuits, battery-backed systems, and other 50-volt applications that need dependable interruption during faults.
• Reliable protection aligned with Square D systems — engineered to work with the QOM family and compatible enclosures, helping simplify panel upgrades and replacements.

Key specifications

• Part Number: QOM50VHL
• Current rating: 50 A
• Poles: 1
• Voltage rating: 50 V

Ideal use cases

Use the QOM50VHL to protect individual 50-volt control circuits in industrial automation, building management systems, and battery-backed or DC-distribution panels. It’s well-suited for legacy installations where a dedicated 50-volt feeder needs safeguarding from overloads and short circuits without introducing a larger, multi-pole solution.

What problems it solves

By automatically interrupting current during overloads or faults, this breaker helps prevent wiring insulation damage, component wear, and potential electrical fires in low-voltage circuits. It provides clear, predictable tripping behavior so maintenance teams can quickly identify and address faults in 50 V systems.

Practical installation notes

Ensure you’re pairing this breaker with compatible Square D panels and follow the enclosure’s installation guidelines. As with any protective device, power down the system before installation and verify the circuit orientation and labeling after mounting to maintain safe and accessible protection.

Summary

The QOM50VHL delivers targeted, single-pole overcurrent protection for 50 A, 50 V applications within Square D installations. If you’re upgrading a 50 V control circuit or integrating a dedicated feeder in a low-voltage panel, this unit provides a reliable, straightforward solution with the trusted Square D lineage.