Sygonix SY-6805678 SY520 Digital Floor Heating Thermostat DIN Rail 230V 16A

Control up to 3680 W of floor heating with the Sygonix SY520 digital thermostat. It mounts on a DIN rail and features a backlit LCD, weekly scheduling, and frost protection.

Overview

The Sygonix SY-6805678 SY520 is a digital floor heating thermostat designed for DIN rail mounting. It operates at 230 V/AC and can switch resistive loads up to 16 A (3680 W). The thermostat supports external NTC sensors (10 kOhm at 25 °C) and includes an internal sensor. Temperature can be set from 5 to 90 °C, with measurement range from -9.9 to 99.9 °C. A backlit LCD display provides clear readings.

What stands out

• Weekly programming with 6 periods per day and multiple schedule modes (5+2, 6+1, 7 days)
• Frost protection and holiday mode for energy savings
• Key lock and temperature calibration for precise control
• Floor limit temperature and adjustable hysteresis (0.5–5 °C)

Technical details

• Product type: Digital floor heating thermostat
• Mounting: DIN rail
• Operating voltage: 230 V/AC
• Switching capacity: 16 A resistive
• Max switching power: 3680 W
• Temperature setting range: 5–90 °C
• Temperature measurement range: -9.9–99.9 °C
• Sensor: NTC 10 kOhm (external), internal
• Display: LCD with backlight
• Power consumption: < 1 W

Our verdict

A versatile DIN-rail thermostat for precise floor heating control, with scheduling and safety features.