Square D | KHL3615017DC1422 | Circuit Breaker | 150A | 3-Pole | 500V

The Square D KHL3615017DC1422 Circuit Breaker is a robust three-pole protection device built for demanding electrical systems. With a 150A rating and a 500V maximum, it delivers dependable overcurrent protection for three-phase circuits while maintaining the integrity of your panel and distribution network.

• Amperage: 150A
• Poles: 3-Pole
• Voltage: 500V
• Part number: KHL3615017DC1422

This breaker is specifically suited for maintenance, retrofit, and replacement projects where exact specifications are required. When upgrading or restoring panel protection, choosing the correct part number ensures compatibility with existing Square D installations and minimizes downtime.

Ideal use cases

• Maintenance and replacement in three-phase electrical panels that require a 150A, 3-pole, 500V protective device.
• Retrofit projects where original equipment must be matched precisely to preserve panel labeling, trip characteristics, and wiring configurations.
• New installations within industrial or commercial facilities that employ Square D systems and demand reliable, long-lasting circuit protection.

Fit, compatibility, and installation guidance

• Important: Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your panel and bus configuration.
• Cross-check your panel label and old breaker to ensure a three-pole, 150A, 500V device is appropriate for your system.
• Verify that the installation environment matches the intended voltage and circuit configuration to prevent protection gaps or nuisance tripping.
• Follow standard safety practices: power down the system, use proper lockout/tagout procedures, and adhere to panel manufacturer torque and wiring guidelines during installation.

Why choose Square D for circuit protection

Square D is a trusted name in electrical distribution, known for compatibility, durability, and predictable performance across a wide range of panels. The KHL3615017DC1422 is designed to integrate smoothly with Square D systems, helping maintain consistent trip characteristics and ease of future service or replacement if your infrastructure evolves.

In summary, the KHL3615017DC1422 150A, 3-Pole, 500V Square D circuit breaker offers precise compatibility for maintenance, retrofit, and replacement needs. Rely on the part number as your primary reference and verify fit with your panel’s labeling and ratings to ensure seamless protection for your three-phase electrical system.