Square D HLA36150UR 150A 3-Pole 600 V Circuit Breaker

Square D HLA36150UR is a rugged circuit breaker designed to safeguard 3-phase power distribution. With a robust 150 A current rating and a 600 V maximum voltage, this 3-pole device provides reliable interruption of fault currents in commercial and light-industrial electrical systems. Using the exact part number HLA36150UR, it serves as a precise replacement or expansion part for compatible Square D panels, ensuring consistent performance and easy inventory management.

Key specifications:

• Current rating: 150 A
• Pole configuration: 3-pole (three-phase protection)
• Voltage rating: up to 600 V
• Part number: HLA36150UR

Why it stands out:

• Designed to integrate with Square D distribution systems, offering aligned trip characteristics and predictable performance across installations.
• Exact-fit replacement: using the HLA36150UR part number minimizes compatibility risk during maintenance or upgrades.
• Three-pole construction provides balanced protection for three-phase feeders and motors, reducing unbalanced faults and equipment wear.

Ideal use cases:

• Protecting three-phase motors, pumps, and conveyors in commercial facilities or light industrial settings.
• Feeding primary distribution panels in small to mid-size electrical rooms where 600 V class equipment is used.
• Serving as a dedicated feeder breaker for 3-phase circuits in retrofit and expansion projects.

Practical tips:

• Verify compatibility with your Square D panel and bus configuration before installation.
• Consult your panel’s documentation for required interrupting ratings and wiring guidelines.
• Handle with standard electrical safety practices; ensure the system is de-energized during replacement or installation.