XF631040 | Circuit Breaker | 40A | 3-Pole | 600V | Bolt-On

The XF631040 circuit breaker is an industrial-grade protective device designed to safeguard three‑phase power systems with precision and reliability. Rated at 40A with three poles and a 600V maximum, this bolt-on unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.

Specifications at a glance

• Amperage: 40A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part number: XF631040

Ideal use cases

Use the XF631040 for protecting three‑phase distribution and motor circuits in commercial or industrial panels. It’s well-suited for retrofit projects where legacy equipment requires a like-for-like replacement, or for new installations that demand a robust 40A, 3‑pole protection solution operating up to 600V. This breaker helps prevent equipment damage from overloads and short circuits while allowing quick, reliable isolation of circuits for safe maintenance.

Fit, compatibility, and verification

Before ordering, verify that the XF631040 matches the exact needs of your panel or equipment. The part number is the most reliable reference for compatibility, ensuring the bolt-on mounting aligns with your enclosure and that the 3‑pole, 600V, 40A ratings align with your protection requirements. If you’re upgrading older gear or replacing a failed unit, cross-check the panel schedule or manufacturer’s catalog to confirm fit and ratings match.

Installation considerations

• Ensure the bolt-on mounting pattern aligns with your panel’s bus and mounting rails.
• Confirm conductor sizing and torque specifications in your equipment's maintenance guide to ensure proper clamping force and electrical integrity.
• Follow standard lockout/tagout procedures during installation and testing to maintain a safe work environment.

What makes this breaker stand out

• Exact, match-ready design for three-phase protection with a 40A rating, making it a precise fit for systems that demand reliable overcurrent protection without over-sizing.
• 600V capability accommodates a wide range of industrial applications, from motor drives to distribution feeders.
• Bolt-On construction provides a sturdy, vibration-resistant mount suitable for demanding environments where secure panel integration is essential.

Practical tips for getting the most from XF631040

Plan for future maintenance by keeping the XF631040 as a known good replacement option in your spare parts inventory. When performing retrofits, document the exact panel and circuitry where the breaker is installed to simplify future troubleshooting and replacements. If you’re unsure about compatibility, consult the equipment’s schematic or contact the panel manufacturer using the XF631040 part number as your reference point.