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Gira System 55 British back box

Updated: October 2026

Most UK walls that already have a switch use a square British back box, and most plugs in the drawer are BS 1363. A Gira System 55 British back box question starts there, because the saved listings are European modular parts. A round-box insert does not become a British plate because the frame looks square, and a Schuko combination does not become a 13 A socket because the lid is grey. This page is the box and the plug. The listings themselves are on the [Gira switch comparison](/hub/electrical-equipment/gira-switch). Catalogue prices below exclude VAT and are not amazon.co.uk shelf prices.

Most UK walls that already have a switch use a square British back box, and most plugs in the drawer are BS 1363.

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Two Gira ways into a British wall

Gira’s System 55 UK material splits two products that shops often blur. One is a British Standard plate, the 80 mm pattern that belongs on a single square back box as a plate. The other is System 55 itself, built around a 71 mm support ring, which reaches a square British box only with an adaptor. System 55 on a packet is not already a British socket, and it is not already a one-piece plate that screws straight onto the lugs you can see in a 1-gang box. Model 012600 in the saved files is that flush insert. The file does not say an adaptor ring is in the box. If your wall is the usual square metal or plastic box, 012600 alone does not finish it. Model 010730 and model 417630 are surface articles in the water-protected programme.

The adaptor ring

The catalogue article for the adaptor support ring is 2850 00. The en-GB sheet describes an 80 x 80 mm ring for products that use a 71 x 71 mm support ring, at £4.33 excluding VAT on the January 2026 list. The saved files do not say the ring is in the box. The saved 012600 file prints 28 mm installation depth for the insert. That is not the depth of the back box. A finished Standard 55 set from one UK seller asks for at least 35 mm of box depth, and that number is their set, not a measurement on these four listings.

Schuko on the £39.22 listing

The combination at £39.22, model 417630, fails the plug test before it fails the box test. The Amazon connector line says SCHUKO. The Gira text places it in the IP44 surface programme: a vertical switch plus a Schuko socket. A British 13 A plug does not mate with Schuko. A travel adaptor in the drawer is not the same purchase as the right socket. The article that is the UK socket, in the catalogue used here, is 2776 03: a BS 1363 13 A shuttered socket, installation depth 17 mm on that sheet, £16.87 excluding VAT in January 2026. None of the four saved ASINs is that socket. Circuit names are on the Gira switch buying guide.

What the four files do not settle

The saved files do not print a British back-box depth for any of the four. 012600 gives you 28 mm of installation depth and a list of stray fields, including Wi-Fi and IP54, that the catalogue sheet does not back. 010730 gives you a surface rocker whose title says water-protected and whose table does not print an IP number or a depth. 417630 prints weight as 266 kg, which a trade sheet contradicts at about a quarter of a kilogram. The Hue control is 8 x 8 x 1.7 cm with no terminals. It does not answer a back-box question at all. You cannot know a single minimum box that covers all four, because they are not one product.

Common questions

Will 012600 screw into a square British back box?
Not as a finished plate, and not on the evidence of the saved file. 012600 is a flush System 55 insert. Gira’s UK material puts that 71 mm system into a single square box with an adaptor or an 80 mm support ring. The Amazon file does not say the ring is included. The 28 mm figure is installation depth of the insert, not the depth of your box. You still need the frame and rocker of the same generation.
What is the 80 mm adaptor ring for?
Catalogue article 2850 00 is an 80 x 80 mm support ring for products with a 71 x 71 mm ring, so a System 55 function can sit on a single British back box. The January 2026 list price is £4.33 excluding VAT, which is not an amazon.co.uk price. A trade page names it for a British box and for ranges such as E2 and Esprit. It is an extra part. It is not hidden inside the four saved listings.
Does 417630 accept a UK 13 A plug?
No. It is a Schuko combination in the IP44 surface programme, and the Amazon file says SCHUKO. A BS 1363 plug does not mate with that socket. Changing the socket position for another switch, on Gira’s own note, still leaves you without a British outlet. A travel adaptor is not a substitute for buying the BS 1363 article.
Which Gira article is the BS 1363 socket?
In the catalogue used here it is 2776 03, a 13 A shuttered BS 1363 socket, £16.87 excluding VAT on the January 2026 list, with 17 mm installation depth on that sheet. It is not one of the four amazon.co.uk listings in this comparison. Do not treat £16.87 as a shop price, and do not treat 417630 as the same article with a different lid.
Is a Schuko adaptor the same as buying the right socket?
No. An adaptor lets a British plug draw power from a Schuko outlet, with an extra joint and with the wall socket still European. It does not convert 417630 into a BS 1363 socket, and it does not add the shutters and pin geometry of the 2776 article. If the job is a UK socket, buy the UK socket.

Related pages

Sources

Public sources from the research digest, with shelf prices and star lines from the amazon.co.uk files saved on 21 October 2026. Catalogue prices quoted excluding VAT are Gira’s January 2026 UK list, not shop prices.

  1. Gira UK data sheet 010730, intermediate surface switch (retrieved 21 October 2026)
  2. Gira UK data sheet 012600, flush insert (retrieved 21 October 2026)
  3. Gira data sheet 417630, switch and Schuko socket (retrieved 21 October 2026)
  4. Gira UK data sheet 277603, BS 1363 socket (retrieved 21 October 2026)
  5. Approved Document P, electrical safety in dwellings (retrieved 21 October 2026)
  6. HSE: work near electricity and secure isolation (retrieved 21 October 2026)
  7. Senic support: Philips Hue Bridge V2 (retrieved 21 October 2026)
  8. Electrical Equipment (Safety) Regulations 2016, GOV.UK (retrieved 21 October 2026)