
Elkay 3875B-1 Standard Push Button Timer White 3 Wire Master 10A All load types
3875B-1
Elkay 3875B-1 Standard Push Button Timer – Reliable 3-Wire Master Timer Switch for Energy-Saving Control
The Elkay 3875B-1 Standard Push Button Timer is a versatile 3-wire electronic timer switch, designed to manage lighting and general-purpose loads efficiently. Easy to retrofit into standard 25mm back boxes, this timer provides adjustable timing control to prevent unnecessary energy usage, making it ideal for both residential and commercial installations.
- Simple 3-Wire Installation: Requires live, switch live, and neutral connections, ideal for retrofit installations.
- Flexible Timer Range: Adjustable timing settings from 2 minutes to 1 hour.
- Load Compatibility: Supports loads up to 10A, suitable for all load types including lighting and appliances.
- Multi-Way Switching: Can be interlinked with other Elkay push button timers to provide multi-location control.
- Energy Efficient: Effectively reduces power consumption by automatically switching off loads after the preset period.
Technical Specification
- Mounting: Flush (fits standard 25mm back box)
- Max Load: 10A, all load types
- Voltage: 240V AC, 50Hz
- Wiring: 3-wire installation (live, switch live, neutral)
- Material: Flame-retardant ABS, CE Marked, RoHS compliant
✅ Select the Elkay 3875B-1 Timer for dependable, flexible, and energy-efficient switching!

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.