Square D | HGL36000S15LUYE | Circuit Breaker | 150A | 3-Pole | 600V

Square D's HGL36000S15LUYE circuit breaker delivers dependable three-phase protection for demanding electrical systems. Designed for maintenance, retrofit, and replacement scenarios, this 150A, 3-pole unit helps you restore reliable fault protection without modifying your panel infrastructure.

• Part number: HGL36000S15LUYE
• Amperage: 150 A
• Poles: 3-Pole
• Voltage rating: 600 V

Why this specific breaker matters in real-world setups:

Precise compatibility for three-phase panels — This is not a one-size-fits-all replacement. The exact part number ensures the same physical fit, mounting, and electrical characteristics your panel expects, minimizing installation surprises and reducing downtime during upgrades or repairs.

Maintains designed protection levels — With a 150 A rating on a 3-pole configuration, it safeguards three-phase circuits against overloads and short circuits while staying within standard industrial and commercial panel design parameters.

Retrofitting and maintenance-ready — Use this unit when you’re upgrading aging hardware, replacing a failed breaker, or bringing a panel back to its original protection profile. It’s a practical choice for service teams managing spare parts inventories and ongoing maintenance programs.

Ideal use cases

• Retrofit projects in commercial buildings or light industrial facilities that run 3-phase equipment on 600V systems
• Maintenance stock for panels that require exact Square D replacement parts
• Replacement of a failed or degraded 3-pole circuit breaker in existing electrical gear

What problems it solves

• Eliminates guesswork by matching the specific part number, reducing compatibility risks
• Restores safe, reliable protection across all three phases without panel modifications
• Supports quick, economical maintenance cycles and downtime reduction

Guidance for installation and ordering

Before purchasing, verify fit and ratings directly against your equipment. The part number is the most reliable reference for compatibility with your panel, so cross-check it against your panel label and service documentation. For safe installation, follow standard electrical practices: disconnect power, use appropriate personal protective equipment, and refer to the manufacturer’s installation instructions or have a licensed electrician perform the setup.

With the Square D HGL36000S15LUYE in place, you get a purpose-built, dependable solution that aligns with your existing 3-phase, 600V infrastructure—delivering consistent protection, simpler maintenance planning, and a clear path to reliable panel performance.