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Siemens GFCI Load Center 1125-50 - Bubbles Supply

Siemens GFCI Load Center 1125-50

Part #: W0408ML1125-50

$392.42
In stock — ships today
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this gfci/breaker

The Siemens GFCI Load Center 1125-50 is a weatherproof electrical distribution panel designed for spa and hot tub installations requiring GFCI protection. This 4/8 circuit load center features a 50-amp capacity with an integrated ground bar, providing safe power distribution for residential and commercial spa applications while meeting electrical code requirements for wet locations.

Built to Siemens' exacting OEM standards, this load center delivers reliable GFCI protection against electrical faults in moisture-prone environments. At Bubbles Supply, we guarantee an exact fit for your spa electrical system and offer same-day shipping on in-stock items, backed by our comprehensive 1-year warranty. Professional installation by a licensed electrician is required for all electrical components - verify local electrical codes and permit requirements before installation.

Exact part number

W0408ML1125-50

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • GFCI Load Center 1125-50
  • Siemens 1125-50
  • Spa Panel 1125-50
  • W0408ML1125-50

Looking for an older part number? Check our supersession lookup tool

Technical specifications

Voltage
240V
Amperage
50A

Common symptoms this part fixes

If your spa is showing any of these signs, this part is likely your fix:

  • No power to spa or hot tub
  • GFCI tripping repeatedly or won't reset
  • Burned or damaged load center panel
  • Existing panel fails inspection due to missing GFCI protection
  • Circuit breaker failure in wet location panel

Not sure if this is your problem? Try our diagnostic centre or .

Before you buy — quick checklist

  • Confirm your spa requires a 50A service — check the equipment label or original electrical drawings
  • Verify the number of circuits needed — this is a 4-circuit panel expandable to 8
  • Match the incoming service voltage (240V single-phase) to your supply
  • Check local electrical code and permit requirements before ordering — some jurisdictions have specific panel manufacturer requirements
  • Confirm the panel will be mounted in a location that meets weatherproof enclosure requirements for wet/damp locations

Reading the checklist now prevents 90% of returns. Worth the 60 seconds.

Install difficulty: Hard — Technician recommended

What's in the box

  • Siemens GFCI Load Center enclosure
  • Integrated ground bar
  • Mounting hardware

If your order is missing any items listed above, contact hello@bubblessupply.com within 48 hours of delivery.

Warranty

1 year manufacturer warranty against defects

Covers manufacturing defects. Does not cover improper installation, normal wear, or accidental damage.

Warranty claims: warranty@bubblessupply.com

Perfect Fit Guarantee

Ordered with our help and the part doesn't fit? Contact us before installation. We'll resolve it with an exchange, replacement recommendation, or return approval.

Learn about our Perfect Fit Guarantee →

Shipping

We ship across the US and Canada. US orders ship from our US warehouse to US customers; Canadian orders ship from our Canadian warehouse to Canadian customers — no cross-border shipping, no surprise duties. In-stock orders placed before 3pm CT ship same day. Standard shipping $9.95 flat rate. Free shipping on orders over $200. Express options available at checkout.

Returns

30-day hassle-free returns on unused parts in original packaging. Contact us before returning to receive your RMA number.

Frequently asked questions

Check the Compatibility section above to confirm fitment for your spa brand and model. If your model is not listed, use our fitment selector at /pages/find-my-part or ask our parts AI for a personalized recommendation.

In-stock orders placed before 3pm CT ship the same day. You will receive tracking information by email as soon as your order ships.

We accept returns within 30 days of delivery for unused items in original packaging. Email returns@bubblessupply.com with your order number to start a return. Installed electrical parts cannot be returned for safety reasons.

Yes, all new parts come with a 1-year warranty against manufacturing defects. Warranty does not cover damage from improper installation or normal wear and tear.

Customer reviews

AI Fitment Assistant

Tell us your spa model and we will confirm this part fits before you buy.

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