ABB DWA2 astronomische schemerschakelaar 2-kanaals DIN-rail 16A 230V AC 2CSM222501R1000

Astronomical twilight switch with two independent channels, automatically calculating sunrise and sunset times based on programmed geographical coordinates. The DWA2 offers precise lighting control for outdoor and indoor applications, with manual override and a backlit LCD for easy programming.

Advantages

Automatic astronomical switching eliminates the need for seasonal adjustments. The 6-year power reserve ensures settings are retained during power outages. NFC programming via smartphone app allows quick configuration without opening the panel.

Suitable for

• Street and outdoor lighting
• Building facade illumination
• Signage and display lighting
• Residential and commercial automation

Key specifications

• Supply voltage: 230 V AC, 50/60 Hz
• Two normally open contacts, 16 A resistive load
• Astronomical function with adjustable offset ±120 minutes
• 50 programmable switching times plus holiday program
• DIN rail mounting, 2 modules wide

Recommendations

For reliable dusk-to-dawn switching without photocells, the DWA2 provides accurate astronomical control. Its compact size and NFC programming make it ideal for both new installations and retrofits.