Omron's H3DK DIN Rail timer relays are the latest timer relays for the automation and industrial markets, replacing the popular H3DE series. Features include a wide input voltage range, which will accept both AC and DC voltages, and easy-to-use finger safe terminals with both terminal covers and captive screws, conforming to the EN 50274 standard. Time and mode settings are changed via a screwdriver to ensure a level of anti-tampering once set. Slim 22.5 mm DIN mounting allows you to stack multiple timers on one DIN Rail in an industry standard thickness. Perfect for most residential, commercial, and cabinet timing applications.