Square D | FHP36040V | Circuit Breaker | 40A | 3-Pole | 36040V

Meet the Square D FHP36040V Circuit Breaker—a precise 3-pole, 40A protection device engineered for demanding 3-phase systems. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker delivers reliable protection while aligning perfectly with Square D installations.

Key specifications

• Amperage: 40 A
• Poles: 3-Pole
• Voltage: 36040V
• Part number: FHP36040V
• Manufacturer: Square D

What makes this model a strong fit

• Exact part-number compatibility for Square D panels, reducing guesswork during replacements
• 3-pole design provides coordinated protection across all phases in a 3‑phase system
• Footprint and electrical characteristics are aligned for straightforward retrofits and upgrades
• Solid, dependable performance suitable for commercial and light industrial environments

Ideal applications

• Protection for 3-phase equipment in commercial panels and light industrial distribution
• Replacement for worn or failed breakers in legacy Square D installations
• Retrofit projects where a 40 A, 3-pole protective device is required to meet updated safety standards

Compatibility and installation tips

• Always verify fit using the part number FHP36040V as the primary reference
• Ensure the panel’s voltage and amperage ratings match the 36040V, 40 A specification
• These breakers are intended for Square D systems designed to accept FHP-series devices
• Follow standard safety practices, including lockout/tagout, during replacement or retrofit

Practical maintenance insights

Keep a spare FHP36040V on hand for planned maintenance and quick swaps. During routine inspections, check for signs of wear, unusual heat on the body or terminals, and ensure proper torque on connections to maintain reliable long-term protection.