Seamless online shopping experience guaranteed with easy shipping and returns policy.

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

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Circuit Breaker

Siemens | HJXD63B300H | Circuit Breaker | 3-Pole

Poles 3
Product Type Circuit Breaker
Icon
Manufacturer :Siemens
Icon
Replacement available
Icon
Picture available on request
Icon
CSA / UL Approved
Regular price $10,417.00
Sale price $10,417.00 Regular price
Unit price
Save

Seamless online shopping experience guaranteed with easy shipping and returns policy.

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

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Siemens | HJXD63B300H | Circuit Breaker | 3-Pole

Regular price $10,417.00
Sale price $10,417.00 Regular price
Unit price
Product description
Shipping

Meet the Siemens HJXD63B300H, a purpose-built 3-pole circuit breaker designed for reliable three‑phase protection in maintenance, retrofit, and replacement projects. Built to Siemens’ exacting standards, this unit is crafted to slot into compatible electrical systems where matching specifications matter most for safety and performance.

Key considerations for a trouble-free fit

  • Poles: 3-Pole
  • Application: Suitable for maintenance, retrofit, and replacement where matching specs are required
  • Compatibility reference: The part number is the best reference for ensuring a correct match with your panel or enclosure

Important: Confirm fit and ratings before ordering. Use the HJXD63B300H part number to verify compatibility with your Siemens system or any panel that accepts Siemens components.

Why this 3-pole breaker is a smart choice

Three-pole protection is essential for safeguarding three‑phase electrical systems, helping to prevent unbalanced loads and potential equipment damage. The HJXD63B300H is designed to align with Siemens’ engineering standards, offering predictable trip behavior and dependable performance in industrial, commercial, and light manufacturing environments. By choosing this unit for your retrofit or replacement needs, you help maintain system integrity, reduce downtime, and support ongoing electrical reliability.

Ideal use cases

Whether you’re updating an aging panel, adding capacity to a three‑phase system, or replacing a failed breaker, the HJXD63B300H provides a compatible, ready-to-install solution. It’s well-suited for:

  • Commercial building electrical retrofits where three‑phase protection is required
  • Industrial control panels and process lines that rely on stable, three‑phase supply
  • Maintenance tasks that demand a trusted, OEM-referenced replacement part

Practical guidance for installation and selection

  • Keep the panel model and current rating on hand to cross-check with the HJXD63B300H specifications
  • Use the exact part number as the primary compatibility reference to avoid mismatches
  • Plan for proper safety procedures and, if needed, professional installation to ensure correct mounting and wiring
  • Label the new breaker clearly to reflect its three‑pole, three‑phase role within the panel

Contact sales@ampstate.com

Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.

We want you to be 100% satisfied with your purchase.

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

Verified

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

Purchasing · Quick answers

Verified

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

Service · Urgent replacement

Fast industrial sourcing support

Need help?

  • Request a quote
  • Need a BOM priced for your project
  • Not sure which part is correct
  • Need an equivalent or replacement
  • Send your part list and get a fast reply

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

Email for a quote Typical reply: same business day