DEVICE FEATURES: Supply and control device: for small audio systems, Equipment: Light switching and door opener relay, programming button, LED display, door opener function with integrated power supply, light switching function with potential-free relay contact, door opening time manually adjustable, light switching time manually adjustable, Housing shape: series installation housing 4 HP for top hat rail, TECHNICAL DATA: Input voltage: 230 V (188 to 260 V), 50/60 Hz, series installation housing HxWxD mm: 90x72x70, permissible ambient temperature: 0 to +40 °C