The DIN-rail Solid State Relay (859-941) and Timer (859-475/001-000 ... 859-941 Relay provides input voltage ranges of 5-10V, 10-24V and 24-30V and operating temperature range of 0-40°C.

[Glitch] got his hands on a slew of relays which are meant for use in industrial equipment. They are designed to operate at 24V. He wanted to use these with common microcontrollers and instead of ...