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Circuit Breaker

Siemens | HE3A050 | Circuit Breaker | 50A | 3-Pole | 480V

★★★★★
Amperes 50
Poles 3
Voltage 480
Product Type Circuit Breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $510.00
Sale price $510.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

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Secure transaction
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FREE & fast shipping on orders over $49
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CSA approved with 1 year warranty
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30 day returns
Allen-Bradley LOGIX5000 - In Box! .A Battery Assembly 1756-Ba1 - In Box! .A Battery Assembly 1756-Ba1

Siemens | HE3A050 | Circuit Breaker | 50A | 3-Pole | 480V

Regular price $510.00
Sale price $510.00 Regular price
Unit price
Product description
Shipping

Meet the Siemens HE3A050 circuit breaker—a robust 50A, 3-pole protection device designed for 480V three‑phase systems. Built by Siemens, it’s the dependable choice for maintenance, retrofit, and replacement projects where exact specifications matter and compatibility is non‑negotiable.

Engineered to slot into compatible Siemens panels and distribution setups, the HE3A050 delivers reliable interruption to protect wiring and downstream equipment from overloads and faults. To ensure safe operation and a perfect fit, always confirm fit and ratings before ordering. The part number HE3A050 is the most precise reference for compatibility in Siemens-based electrical environments.

Key specifications and compatibility

  • Amperage: 50A
  • Poles: 3-Pole
  • Voltage rating: 480V
  • Part number: HE3A050
  • Brand: Siemens
  • Applications: maintenance, retrofit, and replacement in compatible electrical panels

Use cases and practical benefits

  • Ideal for industrial controls and equipment operated on 480V three‑phase power, including manufacturing lines, motors, and compressors—providing immediate protection when faults occur.
  • Perfect for panel upgrades or capacity expansions where a precise Siemens three‑pole, 480V device is required to maintain system integrity.
  • Reliable replacement option for failed breakers within Siemens‑based electrical installations, reducing downtime and ensuring continued protection.
  • Clear compatibility reference: rely on the HE3A050 part number to match exact specifications in your existing system.

Why this matters: choosing the exact Siemens HE3A050 ensures your protection device aligns with your panel’s design, trip characteristics, and electrical tolerances. In high‑demand industrial environments, using the correct 50A, 3‑pole, 480V breaker helps safeguard equipment, electrical crews, and production uptime.

Tips for confident purchasing:

  • Double‑check your panel’s labeling or data sheet to confirm it accepts a 3‑pole, 480V, 50A protective device.
  • Use HE3A050 as the primary reference when confirming compatibility or placing an order.
  • Consider stocking a spare HE3A050 for planned maintenance to minimize production interruptions.

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Consistent quality. We’ve added similar items to our regular reorder list.

MRO · Reorder

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Support is responsive when we have questions about fit or application.

Purchasing · Quick answers

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A reliable choice when we need industrial parts on short notice.

Service · Urgent replacement

Fast industrial sourcing support

Need help?

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day