
Elkay 400A-3 Columbus Pneumatic Timer - Double Contact
400A-3
Elkay 400A-3 Columbus Pneumatic Timer – Double Contact Timer Switch for Automatic Lighting Control
The Elkay 400A-3 Columbus Pneumatic Timer offers a simple and cost-effective solution to automatically switch lighting off after a preset delay. Activated by pushing the button, the timer controls the lighting for an adjustable period between 5 seconds and 5 minutes, ideal for managing fluorescent and incandescent fixtures.
- Adjustable Time Delay: Timing set between 5 seconds and 5 minutes (approximate) for flexible control.
- Load Compatibility: Suitable for fluorescent lighting (up to 6 fittings) and incandescent lighting.
- Simple Retrofit: Replaces existing single gang wall switches without requiring a neutral.
- Clean Finish: Available in white finish to match standard décor.
- Easy Installation: Straightforward fitting for quick upgrade to automatic lighting control.
✅ Upgrade to convenient, timed lighting control with the Elkay 400A-3 Columbus Pneumatic Timer!

Product | Time Delay Switch |
Type | Pneumatic |
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.