The SEL2641R433BD4-DIN receiver is ideal for controlling automation and alarm devices that require a maximum continuous load of 3.5kW. The 4 mono or bistable relays provide the flexibility and the ability to set each individually as pulse or bistable. The SEL2641R433BD4-DIN features a standard 35mm DIN rail mount for easy mounting, 12V AC or DC input, external button control and connection for the SEA433 antenna (optional).