Sale Icon
Review Icon
Free Delivery Icon

MK K4894WHI 20A Intermediate Grid Switch with 3405 ZIC Key Supplied, MK Key Grid Module

Model No. K4894WHI by: MK Electric
Availability: Usually 2 - 3 Days


List price £32.95
You save £18.12!
  • 10 or more:   £12.89 (13% off)
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 Electric K4894WHI Grid Plus White 1 Module Intermediate Secret Key Grid Switch 20A available at Sparks. It is the MK K4894WHI 20A Intermediate Grid Switch coming with the key supplied. 

MK K4894WHI 20A Intermediate Grid Switch with 3405 ZIC Key - Specs

  • Intermediate key switch module for grid mounting.
  • It is suitable for the MK Grid Plus range
  • The grid modules clip fit to the frame without any requirement for special tools
  • It can be removed or replaced when the grid frame is fixed in position
  • Standards: BS EN 60669-1:1999
  • Key (3405 ZIC) is supplied - it comes complete with key.
  • Dimensions: 59mm x 22mm x 22mm
  • Can be fit to grid without the need of special tools. 
  • Mains voltage: 240V 50Hz
  • Product Class 1: Face plate must be earthed
  • Ambient Operating Temperature: -5° to +40°C
  • Finish: white
  • No need to derate this switch for inductive or fluorescent load. 
  • Model: MK Electric K4894WHI key intermediate switch module (with key).

About this MK Grid Plus Module

This MK Grid Plus Module needs to be installed in the proper mounting frame, it requires a back box, and it needs a front plate. It needs to be installed in a MK Grid Plus range front plate and it needs a backbox, which can be either flush or surface mounted.

Switches & Sockets Specific
Amp 20
Back Box Depth 25mm
Brand MK
Finish White
Gang 1
Insert White
Plate Plastic
Plate Dimensions 25mm x 50mm
Style Grid Module
Type Grid

Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.

Ask a question

Note: HTML is not translated!


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.