Square D | QHB315 | Circuit Breaker | 15A | 3-Pole | 240V | Bolt-On

Square D QHB315 Circuit Breaker is a purpose-built protection device engineered for 240V three‑phase systems. With a 15A, 3‑Pole configuration and a Bolt‑On mounting style, this breaker is designed for dependable performance in maintenance, retrofit, and replacement projects where exact compatibility matters. Identified by the exact part number QHB315, it’s the precise choice when panel alignment and ratings are non‑negotiable.

• Amperage: 15A — calibrated to protect circuits without nuisance tripping in typical 240V three‑phase applications.
• Poles: 3‑Pole — ideal for distributing protection across a three‑phase circuit in commercial or industrial setups.
• Voltage: 240V — suitable for standard 3‑phase distribution in many panels and equipment rooms.
• Mounting: Bolt‑On — engineered for secure, solid attachment to compatible Square D panels where bolt‑on breakers are supported.
• Compatibility reference: Part number QHB315 ensures precise fit in panels designed for this bolt‑on style; confirm fit and ratings before ordering.

This breaker excels in scenarios where time‑saving, reliable replacements are critical. Use it for panel maintenance, panel upgrades, or retrofitting older systems to a modern, compliant protection scheme. It’s particularly well suited for facilities that rely on Square D bolt‑on breakers to maintain uninterrupted service in data centers, manufacturing lines, and electrical rooms that operate at 240V three‑phase distribution.

Why choose QHB315? Because it’s built to drop into compatible Square D panels with exact 3‑pole, 240V protection in mind. The QHB315 designation isn’t just a label—it’s your guarantee of correct electrical characteristics, mechanical fit, and the reliability you expect from a trusted brand in industrial and commercial power distribution.

Practical considerations:

• Before purchasing, verify fit and ratings against your panel’s documentation. The part number is the most reliable reference for compatibility.
• During installation, ensure all power is fully de‑energized and that proper lockout/tagout procedures are followed.
• Tighten mounting hardware according to your panel manufacturer's torque guidelines to maintain secure operation.
• Use this breaker in environments that match its design intent for 240V three‑phase circuits and bolt‑on mounting.

Upgrade or replace with confidence using the Square D QHB315 15A, 3‑Pole, 240V bolt‑on circuit breaker—a targeted solution built to meet the demands of professional electrical protection without the guesswork.