Siemens | HE3A150L | Circuit Breaker | 150A | 3-Pole | 480V | Bolt-On

Engineered for dependable protection in demanding 3‑phase environments, the Siemens HE3A150L circuit breaker delivers 150 amps of reliable overcurrent protection across 3 poles at 480 volts. This bolt‑on unit is designed for precise compatibility in panels and switchgear that require a 3‑pole, 480V solution, making it an ideal choice for maintenance, retrofit, or replacement projects.

• Amperage: 150 A
• Poles: 3‑Pole
• Voltage: 480 V
• Mounting: Bolt‑On
• Part Number: HE3A150L

Why this Siemens breaker stands out

When your system relies on precise protection for 3‑phase 480V feeders, the HE3A150L delivers a clean, field‑tested fit that aligns with Siemens’ legacy of reliability. The bolt‑on design supports straightforward installation in compatible enclosures, reducing downtime during maintenance or retrofits. Because the part number is the best reference for compatibility, you’ll want to verify your panel’s fit and ratings against HE3A150L before ordering.

Ideal use cases

Perfect for industrial panels, service entrances, and machinery that run on 3‑phase 480V power. Use it for:

• New installations in compatible switchgear that require a 150A, 3‑pole, 480V bolt‑on breaker.
• Retrofits where an exact match to existing protection characteristics is needed.
• Replacement of failing or aged breakers in systems built around Siemens form factors.

Practical installation and planning tips

Before purchasing, confirm that your enclosure supports bolt‑on mounting and that the panel rating aligns with 480V, 150A protection. The HE3A150L is specifically wired and configured for compatibility with SIEMENS‑style bolt‑on applications, so cross‑check the part number to ensure a seamless fit and reliable performance.

Leverage this 3‑pole, 480V Siemens breaker to safeguard critical loads, motor circuits, and distribution feeders with precise, predictable protection. If you’re upgrading or replacing an existing setup, the HE3A150L offers a targeted, dependable solution designed for industrial reliability.