A relay board with 16 isolated relay control channels. Each channel has free-closed and free-open contacts designed for the current of 5A 300 V AC or 10A 27 V DC. It is controlled by a serial code from the digital port of the Voltmeters of the S-Recorder-xx/Flash-Recorder-2-16 series recorders

Power supply +5V 1000mA

Dimensions: 150 x 105 x 20 mm

Weight: 333g

Description here: Manual_RDO-16

A relay board with 16 isolated relay control channels. Each channel has free-closed and free-open contacts designed for the current of 5A 300 V AC or 10A 27 V DC. It is controlled by parallel code via optocouplers

Power supply +12V 1000mA

Dimensions: 180 x 90 x 20 mm

Weight: 243 g

Control module for a 16-channel relay board with opto-isolated 16-bit control. Designed to control the relay board via Wi Fi

Solid-state relay Crydom CX380D5

It is controlled by a DC voltage, V: from 4 to 15

freely opened,

maximum switching current, A: 5

switching voltage variable, V: from 48 to 500

Turn-on time.shutdown, ms: 10

4 kV insulation

Detailed documentation is here: CX380D5