Square D | KHL3617517DC1684 | Circuit Breaker | 175A | 3-Pole | 500V

Presenting the Square D KHL3617517DC1684 Circuit Breaker—a genuine, high-performance protection device engineered for demanding three-phase power systems. With a 175A rating, 3-pole configuration, and a 500V operating capacity, this breaker is built to safeguard industrial and commercial electrical discreetly and reliably. Designed to match the exact specifications of Square D equipment, it’s the dependable choice for maintenance, retrofit, or replacement projects where exact compatibility matters.

Key features that matter in the field

• Amperage and protection: 175A continuous current rating provides robust protection for main feed circuits in three-phase systems.
• Three-pole design: 3-Pole configuration supports balanced protection across three hot legs, enabling coordinated interruption for three-phase networks.
• Voltage rating: Suitable for up to 500V, aligning with common industrial and commercial distribution needs.
• Genuine Square D part: Part of the trusted Square D lineup, ensuring compatibility with compatible panels and accessories.
• Precise reference: Part number KHL3617517DC1684 serves as the best cross-reference for fit and ratings during procurement.
• Designed for multiple project types: Ideal for maintenance, retrofit, and replacement scenarios where matching specs are essential.

Who benefits from this breaker

Engineering teams, electrical contractors, and facilities managers working with three-phase distribution boards will find this Square D breaker to be a predictable, reliable component for upgrades, panel rejuvenation, and spare-part strategies. It’s especially valuable when continuity of operation matters and panel schedules require exact part numbers for future maintenance.

Use cases and practical scenarios

• Maintenance: Replace a worn or failed 3-Pole breaker in a three-phase panel to restore safe, measured protection.
• Retrofit: Upgrade legacy systems with a breaker that matches current Square D standards and panel compatibility.
• Replacement: Stock a genuine part for quick cross-reference and seamless interchange in field service.

Compatibility and how to verify

Before ordering, confirm that the KHL3617517DC1684 matches your panel’s specifications. The part number is the most reliable reference for compatibility, ensuring the breaker's trip characteristics, mounting style, and connection layout align with your equipment. If your documentation lists this exact part number, you can proceed with confidence.

Why choose this Square D breaker over alternatives

Choosing a genuine Square D circuit breaker means aligning with an established standard of reliability and consistency within three-phase protection. This unit’s 175A rating, 3-pole design, and 500V capability are tailored for robust, real-world electrical environments, reducing the risk of mismatched components and ensuring predictable performance across service events and long-term maintenance cycles.

In short, the Square D KHL3617517DC1684 is a precise, purpose-built solution for professionals who require exact compatibility, solid protection, and straightforward procurement for their three-phase electrical installations.