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  • PC Electric Merz Umschalter Netz-0-Not MLU1-063-4V-9121
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PC ELECTRIC

PC Electric Merz changeover switch mains-0-emergency MLU1-063-4V-9121

PC Electric Merz changeover switch mains-0-emergency MLU1-063-4V-9121

€159,00 EUR
€159,00 EUR
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Delivery time: 2-5 working days
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  • Free shipping within DE & AT from 149€

VER2348 / 44703

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Product details

DESCRIPTION

Merz changeover switch mains-0-emergency MLU1-063-4V-9121 – 4-pole, 63 A

The Merz MLU1-063-4V-9121 mains-off-emergency changeover switch is a manual changeover switch for safely switching between mains power, off position, and emergency power source. The device is designed for use in electrical distribution panels and enables a clearly defined isolation of power sources via a mechanically interlocked switching sequence.

Product features

  • Manual changeover switch with switching sequence mains – 0 – emergency power
  • 4-pole version for multi-phase applications
  • Mechanically locked switch positions
  • Designed for installation in electrical distribution systems
  • Version from the Merz switchgear series

Technical data

feature Information
Manufacturer Merz
type MLU1-063-4V-9121
Article number 44703
Switching function Mains – 0 – Emergency power
Number of poles 4-pin
Rated current 63 A

Application

The changeover switch is used to manually switch electrical devices between two power sources. The integrated center position "0" ensures that the power supplies are completely disconnected during switching. This makes the device suitable for applications requiring safe and controlled switching.

Advantages

  • Clear and secure switching logic
  • Separation of the power sources by defined center position
  • Suitable for multi-phase circuits
  • Robust design for distribution board installation

Conclusion

The Merz MLU1-063-4V-9121 is a reliable mains-to-emergency power transfer switch for applications requiring manual and safe switching between two power sources. Its 4-pole design and 63 A rated current make it a suitable solution for demanding installations in distribution boards.

SHIPPING & RETURNS

Shipping costs: free shipping within the EU for orders over €149; for orders under €149, we charge €5.90 shipping costs.

Switzerland: flat rate €25.00

Returns: You can cancel your purchase within 14 days of receipt and then return the products to us. Please note that for sustainability reasons and a fair pricing philosophy, we only cover return shipping costs in the case of a defect or warranty claim.

MANUFACTURER'S IDENTIFICATION

PC Electric Gesellschaft mbH
This side 145
A-4973 St. Martin im Innkreis
office@pcelectric.at

Downloads - Datenblatt:

PDF-Icon PC Electric Merz changeover switch mains-0-emergency MLU1-063-4V-9121 – Datenblatt

Frequently Asked Questions (FAQ)

How long does shipping take?

We usually ship all in-stock items within 1–2 business days of receiving payment. Delivery time within Austria is typically 1–3 business days, and to Germany 2–4 business days. You can see the exact availability on each product page.

Can I return my order?

Yes, of course. You can return products within 14 days of receipt. It's important that the items are unused. You can find all the details in our cancellation policy and return conditions.
Please note that for sustainability reasons and a fair pricing philosophy, we only cover return shipping costs in the case of a defect/warranty claim.

Is there a warranty or guarantee on the products?

Yes. All items are covered by the statutory 2-year warranty. Many manufacturers also offer extended warranties, which are specified directly on the product page or in the description.

Should you encounter any problems, simply contact us – we will take care of it.

What happens if there are not enough pieces in stock?

If your desired quantity is not fully in stock, we will send a partial shipment with the available items so that you receive part of your order as quickly as possible. The remaining products will be automatically shipped as soon as they are available again – naturally without any additional shipping costs.