The Phoenix Contact 1212535 is a high-performance replacement charger designed specifically for the SF-ASD 21 cordless screwdriver. Operating within a supply voltage range of 220 V AC to 240 V AC, this charger efficiently powers the 3.60 V DC battery, ensuring optimal performance and longevity. Ideal for industrial applications, this charger is an essential accessory for maintaining the functionality of your cordless screwdriver. Ensure uninterrupted operation with this reliable Phoenix Contact charger.