Square D | FHP16040V | Circuit Breaker | 40A | 1-Pole | 16040V

Meet the Square D FHP16040V—a purpose-built circuit breaker engineered for precise compatibility in maintenance, retrofit, and replacement projects. This 1-Pole unit is rated for 40A and carries a unique voltage designation of 16040V, making it a dedicated choice when exact specifications are required.

Why choose the FHP16040V for your panel? It’s designed to align with systems that demand strict adherence to part-number accuracy. The FHP16040V part number is your most reliable reference for ensuring a correct fit and safe operation, helping you avoid mismatched breakers and ambiguous substitutions.

Key specifications

• Amperage: 40A
• Poles: 1-Pole
• Voltage: 16040V
• Part reference: FHP16040V is the best compatibility identifier

Ideal use cases

• Replacement for an aging or tripping circuit in compatible Square D panels.
• Retrofit projects where a precise 40A, single-pole solution is required to protect a dedicated branch circuit.
• Maintenance tasks that demand a drop-in substitute with identical specs to minimize panel downtime.

How to verify compatibility

Before ordering, double-check that the FHP16040V matches the ratings of your panel’s circuit you’re replacing. Rely on the part number as the primary reference to ensure correct physical fit and electrical compatibility, and confirm that the voltage and amperage align with your circuit requirements.

Installation & safety tips

• Power down the service and lock out/tag out the circuit before beginning work.
• Use the correct tools and wear appropriate protective equipment to handle live panels safely.
• Follow manufacturer installation guidelines and the panel’s documentation for proper orientation and mounting.
• After installation, test the circuit at low-load conditions to verify proper operation and trip behavior.