12.21.8.230.0000 Finder Time switch Weekly 1pole 16A 230V

Why Choose the Finder 12.21.8.230.0000 Digital Weekly Time Switch?

The Finder 12.21.8.230.0000 is an electronic digital weekly time switch designed for automatic switching of electrical loads according to programmed times and days. As part of the Finder 12 Series, it provides precise scheduled control for lighting, heating, ventilation, irrigation and other electrical equipment in residential, commercial and industrial installations.

This programmable time switch provides one changeover contact and weekly programming, allowing switching events to be assigned across the seven days of the week. An LCD interface supports configuration and status monitoring, while manual override, permanent switching, pulse programming and a holiday programme provide additional flexibility for automated electrical control.

With a 230 V AC supply, 16 A rated changeover contact and a minimum programming interval of 1 minute, the 12.21.8.230.0000 is suited to applications requiring accurate recurring switching. Its 35 mm DIN rail mounting enables straightforward installation within electrical distribution boards and control panels.

Key Advantages

• Programmable digital weekly time switch for automatic electrical load control.
• 1 CO (SPDT) 16 A output contact for versatile switching applications.
• 230 V AC supply suitable for standard mains-powered control installations.
• Minimum programming interval of 1 minute for accurate switching schedules.
• Internal battery allows programming and set-up without the mains supply connected.
• Automatic daylight-saving adjustment helps maintain programmed switching times throughout the year.

Key Features

• Finder 12 Series electronic time switch.
• Weekly programming across Monday to Sunday.
• 1 CO (SPDT) changeover contact.
• 16 A rated contact current.
• 250 V AC rated contact voltage.
• 30 programmable switching events.
• Pulse function with programmable pulse duration up to 59 minutes 59 seconds.
• Holiday programme and manual or permanent switching functions.
• Automatic daylight-saving time adjustment.
• LCD display with front-panel programming controls.
• Internal replaceable CR2450 3 V lithium battery.
• 35 mm DIN rail mounting in accordance with EN 60715.

Reliable Automatic Time Control for Electrical Installations

Digital time switches such as the Finder 12.21.8.230.0000 automatically switch connected electrical circuits according to stored schedules. This allows equipment to operate only when required, helping automate repetitive switching tasks while reducing the need for manual intervention.

The weekly programming capability makes the 12.21 suitable for installations where operating periods vary according to the day of the week. Additional pulse, holiday, manual override and permanent switching functions provide flexibility for lighting, heating, ventilation, irrigation and general building automation applications.

Typical Applications

• Automatic lighting control.
• Heating and ventilation scheduling.
• Irrigation and watering systems.
• Shop displays and illuminated signage.
• Building services and electrical distribution systems.
• Industrial and commercial equipment scheduling.