The G3PE-525B is a 12-24VDC AC/DC solid state relay made by Omron. It is a two-channel, single-phase, zero-crossing switching type, having an input current of 0.1A and maximum output current of 25A. It has an operating temperature range of -25 to +85 degrees Celsius, and a dielectric strength of 6kV between input and output. It is UL, CSA, and VDE approved, and has built in LED indicators and dip switch for status indication and setting of parameters.