Square D HDA36150U44XAABCSJYP 150A 600 V Circuit Breaker

Introducing the Square D HDA36150U44XAABCSJYP — a robust 150 A, 600 V circuit breaker designed to safeguard electrical distribution in demanding environments. This is the exact part number you’ll want when replacing a failed breaker in compatible Square D panels, delivering reliable protection with proven compatibility.

Key specifications

• Current rating: 150 A
• Voltage rating: 600 V
• Part number: HDA36150U44XAABCSJYP

What makes this breaker stand out

• Designed for seamless integration with Square D panels and enclosures that accept this family of breakers, reducing installation guesswork and compatibility issues.
• Precise electrical characteristics ensure dependable protection for feeders and equipment up to 150 A, helping to prevent overloads and fault conditions.
• Durable, industry-standard construction with a form factor that fits standard Square D mounting rails for quick, secure replacement during maintenance windows.

Ideal use cases

Perfect for commercial and light industrial applications where reliable 150 A protection at voltages up to 600 V is required. Common scenarios include electrical distribution panels in manufacturing lines, data centers, warehouses, and large office complexes that rely on consistent, predictable circuit interruption in fault conditions.

Installation and best practices

Always follow the installation manual and local electrical codes. Ensure the power is fully disconnected before replacing or installing the breaker. Use a licensed electrician for installation to confirm proper fitment, wiring termination, and adherence to panel guidelines. This breaker is intended for use in compatible Square D panels designed to accept this type.

Why choose the Square D HDA36150U44XAABCSJYP

When reliability, precise protection, and compatibility matter, this 150 A, 600 V breaker delivers. By selecting the original equipment manufacturer part number for your replacement, you minimize the risk of mismatched trip characteristics or fitment issues, supporting safer operation and easier maintenance planning.