Eberle Controls DÄ 565 28 Twilight Switch

The Eberle Controls DÄ 565 28 is a high-quality twilight switch designed for automatic lighting control based on ambient brightness. Ideal for outdoor and indoor applications, this device ensures energy-efficient operation by switching lights on at dusk and off at dawn, with adjustable thresholds and delays.

Advantages

Energy savings through automatic on/off control; adjustable light threshold (2-2000 lux) and switch-on/off delays (10-120 seconds); zero-crossing switching for reduced relay wear; separate light sensor with IP54 protection for outdoor mounting; easy DIN rail installation.

Suitable for

• Street lighting
• Garden and pathway lights
• Facade illumination
• Signage lighting
• Industrial lighting control

Key specifications

• Operating voltage: 230 V AC, 50/60 Hz
• Switching capacity (resistive): 10 A / 2300 W
• Switching capacity (incandescent): 2300 W
• Switching capacity (LED): 300 W
• Adjustable light threshold: 2 - 2000 lux
• Adjustable switch-on delay: 10 - 120 seconds
• Adjustable switch-off delay: 10 - 120 seconds
• Output: 1 NO relay contact
• Mounting: DIN rail (2 modules)
• Light sensor: surface mount, IP54
• Main unit protection: IP20
• Power consumption: approx. 1.5 W
• Light sensor cable length: 2.5 m (extendable up to 100 m)

Recommendations

For optimal performance, mount the light sensor away from direct artificial light and ensure the sensor cable is properly routed. The twilight switch is compatible with most lighting loads; however, for LED loads, verify total wattage does not exceed 300 W.