400A-3 Columbus® Pneumatic Timer – Double contact
The Columbus® Pneumatic Timer: Double Contact
The Columbus® pneumatic timer is an easy to fit and cost-effective way of automatically turning lighting off after a set period of time. Pushing the button switches the contacts and activates the time delay, which can be set at installation anywhere between 5 seconds and 5 minutes (Note timings are approximate).
Columbus Pneumatic Timer: Key Features:
- Double Contacts
- Resistive/ Incandescent (e.g. Filament Lamps) 6A 1380W
- Fluorescent/ Compact Fluorescent (6 fittings max) 3A 690W
- Externally ballasted LED 3A 690W
- Internally ballasted LED 100W
- Suitable for use with 16 mm or 25 mm BS back box
- Available in white finish
- No neutral required
- Replaces existing single gang wall switch
- 5 seconds to 5 minutes adjustable activation
- With screw cover caps for aesthetic look and security
Typical applications of Columbus pneumatic timers:
- The unit has single or double contacts as standard and can be fitted to existing single gang switches, making it a perfect low-cost energy saving solution in areas such as stairways, corridors and storerooms.
| Part No. | Description | Configuration | Finish | Rating |
| 400A-3 | Columbus Pneumatic Timer | Double contact | White | 3A-6A-240V |
Typical Circuit for Corridor Lighting
(i.e. Lights will stay on until last timer goes off)
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Can be used to replace two-way switching
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Typical Circuit for Staircase Lighting
where the Live and Switched Live are at different positions
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