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Light switch different terminals

Joined
22 Apr 2025
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United Kingdom
I have replaced my landing light switches and have hit a problem with the "middle" switch. The landing light has 3 switches. 1 downstairs, 1 at top of landing and a 3 switch at the end of landing which is a double switch as it also controls bathroom lights.

The old switch has two L1 and L2 terminals whereas the new switch only has one L1 and one L2 and a single COM terminal.

How do I connect my new light switch?

The two brown cables at back of box are connected together with a block.
 

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Thanks. Is there no way of using the current new switch. They don't make any other type in the style and would have to replace all 3 new switches. Thanks.
 

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