MK 3891ZIC Architrave Metal Box, MK Grid Plus Steel Mounting Box for Edge Architrave Switches

Model No. 3891ZIC by: MK Electric
Availability: Usually 2 - 3 Days


Free Delivery
(over £100+VAT, applies to zones A&B only, £6+VAT otherwise)
Click & Collect
Order online & collect in store
This is the MK architrave metal box - MK mounting box for MK Edge architrave switches.
  • Dimensions: 39mm x 92mm (38.8mm x 91.75mm)
  • Material: steel
  • Type: MK architrave metal box
  • Part of the MK Grid Plus range
  • Standards: BS 5733:2010
  • Mounting: flush mounting box
  • Ideal for: single gang architrave single switch
  • Mounting method: Flush mounted (plaster)
Switches & Sockets Specific
Brand MK
Finish Satin Chrome
Gang 1
Insert No Insert
Plate Metal
Style Metal Back Box
Type Back Box

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Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.

If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.


We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.