Kaiser Nienhaus timer per tapparelle 317620 Tastor Unisono - Astro

Astronomical roller shutter control with automatic sunrise/sunset calculation, adjustable offset, and power-failure-safe memory.

Overview

The Kaiser Nienhaus Tastor Unisono Astro 317620 is a flush-mounted roller shutter timer that automatically adjusts to seasonal daylight changes. Its astronomical function calculates sunrise and sunset times, with an adjustable offset for individual preferences. The device supports daily, weekly, and random programming, plus holiday and block functions. A clear LCD display and manual override ensure convenient operation.

What stands out

• Astronomical time control with automatic summer/winter time change
• Random function simulates presence for added security
• Holiday and block functions for flexible scheduling
• EEPROM memory retains settings during power failures
• External sensor input for optional sun/twilight sensor

Technical details

• Operating voltage: 230 V AC, 50 Hz
• Maximum switching current: 3 A (cos φ = 0.8)
• Maximum switching power: 500 VA
• Two outputs for motor control (up/down)
• Connection: screw terminals
• Fits standard flush-mount boxes (Ø 60 mm)
• Housing: plastic, white, IP20

Our verdict

A reliable astronomical timer for roller shutters, combining automatic daylight adaptation with robust programming options and power-failure protection.