Buy Dewert MCL 51951X Control Box – Replacement for 51640

Dewert MCL 51951X control box for 51640 replacement

The genuine Dewert MCL 51951X is the updated control box supplied by CouchGuard for replacement of the earlier MCL 51640. This listing retains the original 51640 reference to help identify the part, but the model supplied is 51951X.

Check your original label, actuator connections, handset and complete system configuration before ordering. A replacement reference does not mean the control box is suitable for every Dewert installation.

Dewert MCL 51951X Control Box Specifications

• Brand: Dewert
• Device Type: Bed / Actuator Control Box
• Model Supplied / MPN: 51951X
• Control Box Family: MCL
• Previous Model Reference: 51640
• Replacement Relationship: Updated model supplied for compatible MCL 51640 installations

Match the control system

Compare the full original model reference, connector shapes, pin arrangements, actuator configuration, handset connection and electrical requirements. Confirm any required cables or accessories before ordering rather than assuming the original components will connect unchanged.

The earlier MCL 51640 listing described support for up to six actuators, Class III protection and an IPX6 rating. Do not use those earlier-model details as confirmation of the supplied 51951X configuration; match the replacement's documentation and ratings to your installation.

Send CouchGuard clear photos of your existing control-box label, ports, connected plugs and handset label for help checking suitability.

Installation and troubleshooting

Disconnect mains and backup power before replacing the control box. Record the existing cable positions, connect components only to the correct matching ports and keep wiring clear of moving parts. Do not force plugs or modify wiring to make a connection fit. Use a qualified repairer if unsure.

A system that does not move may also have a power-supply, handset, actuator or cable fault. Replacing the control box will not resolve every fault.

Frequently asked questions

Which model will I receive?

The updated Dewert MCL 51951X control box, not the older 51640.

Why does this listing mention 51640?

51640 identifies the earlier model for which CouchGuard supplies 51951X as the updated replacement, subject to installation compatibility checks.

Is the supplied model 51951 or 51951X?

The exact supplied model is 51951X. Use the complete identifier when comparing parts.

Will it work with every Dewert system?

No universal compatibility is implied. Match the actuator setup, handset, wiring, electrical requirements and connections.

Can I reuse my existing handset and cables?

Confirm their compatibility with 51951X before ordering. Similar-looking plugs alone do not establish matching wiring or functions.

Are the original 51640 ratings the ratings of 51951X?

Do not assume earlier-model ratings apply unchanged. Check the supplied model's documentation against your system requirements.

Will it fix every actuator fault?

No. The power supply, handset, actuators and cables can also cause loss of movement.

What should I send for a compatibility check?

Clear photos of the original control-box label, ports, connected plugs and handset label, plus details of the fault and actuator arrangement.

About Our Packaging

98% of our boxes are made from recycled cardboard and our packaging “peanuts”, which is called Bio Fill, is made from Australian corn and potato starch. When immersed in water it dissolves with no harmful residue, and can be disposed of with rubbish as it completely breaks down.

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Reach out to our team today by calling 1300 268 244 or emailing info@couchguard.com.au