Solid-state relay 24V / 40A with one semiconductor output, not short-circuit proof. Control via connections 15/31. Controls 15 and 31 are interchangeable. Output can be used unidirectionally. For controlling induced loads. No switch settling. Insensitive to vibrations and used for high switching cycles. Typical applications: -Control of lamps, fans, blowers and all other applications with high switching cycles.