Square D | QHB325 | Circuit Breaker | 25A | 3-Pole | 240V | Bolt-On

When you need precise overcurrent protection for a 3‑pole 240V circuit, the Square D QHB325 Circuit Breaker delivers reliable performance with a sturdy bolt‑on design. This 25A unit is purpose‑built for maintenance, retrofit, and replacement projects where exact specs matter, ensuring you can restore safe, dependable operation in challenging electrical environments.

Designed for bolt‑on panels, the QHB325 provides a secure, vibration‑robust mount that stays firmly connected under demanding conditions. The three‑pole configuration protects all three conductors in three‑phase systems, delivering consistent tripping coordination and dependable shutdown of power to connected equipment.

• Exact compatibility: The part number QHB325 is your clear reference for match‑ups with bolt‑on, 3‑pole, 240V installations.
• Specific electrical rating: 25A at 240V makes this breaker ideal for controlling moderate‑demand motors, feeders, and control circuits without over‑sizing protections.
• Bolt‑on mounting: A secure installation method that simplifies mounting and helps maintain panel integrity over time.
• Maintenance, retrofit, and replacement use: Perfect for upgrading aging panels, restoring protection in service environments, or replacing failed devices with a like‑for‑like spec.
• Clear installation guidance: Before ordering, verify fit and ratings; the part number is the best reference to ensure compatibility with your panel.

Who it’s for: electrical contractors, facility maintenance teams, and industrial operators who manage bolt‑on panels and require dependable, field‑tested protection for 3‑pole 240V circuits. It’s particularly well suited for panel upgrades, machine retrofits, and service‑center maintenance where exact specifications and reliable performance matter.

Practical use scenarios include replacing a failing bolt‑on breaker in an industrial control panel, upgrading a legacy 3‑pole 240V feeder to a modern, compliant device, or performing a planned retrofit to align with updated electrical standards. With the Square D QHB325, you get a purpose‑driven solution that respects your panel’s design, protects essential equipment, and helps keep downtime to a minimum.

Tips for successful installation and longevity: confirm the breaker’s fit with your panel’s bolt‑on mounting style, match the 25A rating to the circuit load, and follow your panel manufacturer’s torque and installation guidelines to ensure secure contact and optimal performance.