SCHELINGER Astronomical Timer Single Channel 24-264V AC/DC

The SCHELINGER A25-TPA1 is a professional single-channel astronomical timer designed for precise control of lighting and electrical installations based on sunrise and sunset times. With a wide supply voltage range of 24-264V AC/DC, it is suitable for various industrial and commercial applications. The timer features a SPDT relay contact rated at 16A, ensuring reliable switching of loads. Its DIN rail mounting (3 modules) makes it easy to integrate into existing control panels.

Advantages

This astronomical timer offers automatic seasonal time adjustment, eliminating the need for manual reprogramming. The built-in battery backup preserves settings for up to 2 years during power outages. With 250 programmable memory locations and multiple modes (daily, weekly, monthly, yearly, holiday), it provides flexible scheduling. The LCD display and intuitive programming interface simplify configuration.

Suitable for

• Street lighting control
• Garden and landscape lighting
• Industrial automation
• Building management systems
• Signage and advertising lighting

Key specifications

• Supply Voltage: 24-264V AC/DC
• Number of Channels: 1
• Contact Type: SPDT (change-over)
• Max. Switching Current: 16A (AC-1)
• Max. Switching Voltage: 250V AC
• Power Consumption: 1.5W
• Mounting: DIN Rail (3 modules)
• Operating Temperature: -20 to 50°C
• IP Rating: IP20
• Time Accuracy: ±1 sec/day at 20°C
• Astronomical Function: Yes (sunrise/sunset)
• Programming Memory: 250 locations
• Programming Modes: Daily, Weekly, Monthly, Yearly, Holiday
• Display: LCD
• Battery Backup: Yes (approx. 2 years)
• Automatic Time Change: Yes (summer/winter)
• Geographical Coordinates: Programmable
• Offset Adjustment: Yes

Recommendations

For optimal performance, ensure the timer is installed in a dry, ventilated environment within the specified temperature range. Program the geographical coordinates accurately for precise astronomical calculations. Use appropriate circuit protection devices as per local regulations.