CN109A-4/30A 12Vdc Programmable Timer Switch
Part number: CN109A-4/30ARelays & Contactors
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Prices updated: 13 Oct 2026
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About this product
A 12Vdc programmable timer switch with a large LCD display, offering a 7-day weekly schedule with up to 18 ON/OFF programs. It switches its relay output automatically to control lights, pumps or other loads, and the model name indicates a 30A rating.
Specifications
- Supply voltage
- 12 Vdc
- Display
- Large LCD
- Weekly schedule
- 7 days
- ON/OFF programs
- 18
- Switching rating
- 30 A (as per model name)
Frequently asked questions
What voltage does the timer need?
The timer operates from a 12Vdc supply, as shown in the model name. Do not connect it to 220Vac mains directly.
How is the load connected?
The 12V supply powers the timer, while the load is connected through its relay contacts. Check the terminal markings on the unit and keep the load current within its rating.
