
Elkay 3875A-1LT Illuminated Push Button Timer White 3 Wire Master 16A All load types
3875A-1LT
Elkay 3875A-1LT Illuminated Push Button Timer – 3-Wire Master Electronic Timer Switch for Long-Duration Control
The Elkay 3875A-1LT Illuminated Push Button Timer is a stylish, reliable, 3-wire electronic timer designed to provide extended time control from 8 minutes up to 8 hours. With its illuminated blue locator ring and countdown LED indicator, this unit offers intuitive, energy-efficient control ideal for lighting, heating, ventilation, and other long-duration applications in professional installations.
- Extended Timing Range: Adjustable from 8 minutes to 8 hours, ideal for long-duration use.
- Illuminated Locator Ring: Blue LED ring for easy identification in low-light environments, plus a one-minute countdown indicator.
- High Load Capacity: Handles loads up to 16A, suitable for all load types including lighting, heaters, and ventilation systems.
- Flexible Installation: Fits into standard 25mm depth back boxes; 3-wire setup (live, switch live, neutral).
- Multi-Way Control: Interlinks with Elkay activator switches to create multiple switching points.
Technical Specification
- Mounting: Flush (standard 25mm back box)
- Max Load: 16A, suitable for all load types
- Voltage: 240V AC, 50Hz
- Wiring: 3-wire (live, switch live, neutral)
- Indicator: Blue illuminated locator ring and countdown LED
✅ Enhance energy management with the Elkay 3875A-1LT Push Button Timer for reliable, long-duration control!

Product | Time Delay Switch |
Type | Push Button |
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.