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  • PC Electric Merz Umschalter Netz-0-Not MLU1-035-4V-9121
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PC ELECTRIC

PC Electric Merz changeover switch mains-0-emergency MLU1-035-4V-9121

PC Electric Merz changeover switch mains-0-emergency MLU1-035-4V-9121

€123,90 EUR
€123,90 EUR
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Delivery time: 2-5 working days
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  • Free shipping within DE & AT from 149€

VER2347 / 44303

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Product details

DESCRIPTION

Merz MLU1-035-4V-9121 Changeover switch Mains-0-Emergency – 4-pole transfer switch 35 A

The Merz MLU1-035-4V-9121 is a 4-pole mains-to-neutral emergency power transfer switch for the safe supply of an electrical load with two different AC voltage sources. It is designed for installation in distribution boards, on DIN rails or mounting plates and meets the requirements of DIN EN 60947-6-1.

function

The switch allows manual selection between two supply lines via three mechanically locked switching positions: Position I, 0 (neutral position) and II. This allows a load to be safely switched between mains power and an alternative power source (e.g. emergency power).

Technical data

parameter Value
Manufacturer part number 44303
type MLU1-035-4V-9121
Number of poles 4
Rated continuous current Iu 35 A
Rated operating voltage 400 V AC
Conditional rated short-circuit current Iq 10 kA
Rated short-time current withstand capability Icw 6 kA
Connection type main circuit Frame clamp
Assembly Standard rail or mounting plate
Protection rating (front side) IP20
Housing material Plastic, grey
Width 65 mm (4 TE)
depth 93 mm
Height 100 mm

Characteristics

  • 4-pole transfer switch for mains-off-emergency power switching
  • Three mechanically locked switching positions (I-0-II) for secure source selection
  • Robust installation design on standard rail or mounting plate
  • IP20 protection rating enclosures for power distribution systems
  • All connections via frame terminals

Areas of application

  • Electrical distribution systems where switching between two power sources is necessary
  • Emergency power supplies in industrial, commercial and technical rooms
  • Applications with manual switching between mains and backup power supply

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 MLU1-035-4V-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.