



MK Electric K4891WHI Grid Plus White 1 Way 1 Module Single Pole Modular Switch 20A
K4891WHI
MK Electric K4891WHI Grid Plus Modular Switch – White, 1 Way, 1 Module, 20A
The MK Electric K4891WHI is a 1 module, 1 way, single pole modular switch in white, designed to fit seamlessly into the MK Grid Plus system. With a 20A rating, it's ideal for a range of demanding applications in commercial or domestic environments.
- 20A Load Capacity: Handles higher current demands with ease, perfect for lighting and power circuits.
- Fluorescent Compatible: No de-rating required when installed with fluorescent or inductive loads.
- Modular Grid Plus Design: Clips into MK Grid Plus mounting frames quickly and securely without tools.
- 1 Module Size: Space-efficient solution for custom switch plates and control panels.
- White Finish: Matches MK white accessories for a clean, coordinated appearance.
Technical Specification
- Product Type: Modular switch
- Rating: 20A
- Switch Type: 1 way, single pole
- Module Size: 1 module
- Standard: BS EN 60669-1: 2000
✅ Choose the MK K4891WHI for a reliable, high-capacity 20A switching solution within your Grid Plus installations!

Ean Code | 5017490224026 |
Range | MK Grid Plus |
Includes 13a Switch Socket? | N |
Product | Gridswitch Module |
Type | Single Pole Module |
Telephone Master | N |
Includes Rcd? | N |
Screwless? | N |
Telephone Secondary | N |
Tv Socket | N |
Ingress Protection | IP4X |
Fm/dab | N |
Satellite | N |
Rj11 | N |
Rj45 Cat 5e | N |
Rj45 Cat 6 | N |
USB Included | N |
Insert Colour | White |
Mounting Box Minimum Depth | 25 mm |
Number Of Gangs | 1 |
Voltage | 250 V |
Pole Configuration | Single Pole (1P) |
Mounting | Grid |
Width | 25 mm |
Current Rating | 20 A |
Standards | BS EN 60669-1 |
Height | 59 mm |
Body Material | Moulded Plastic |
Gangs | 1 Gang |
Neon Indicator | N |
Face Colour | White |
Ways | 1 Way |
Rocker Colour | White |
Flex Outlet | N |
Switched/unswitched | Switched |
Fuse Fitted | N |
Lockable? | N |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.