Relay module - with 1 plug-in base for industrial relays size 1 - contact: 4 PDTs - input voltage 24-48 V DC - with light indicator - damping and polarity protection diode
Relay module - with soldered-in industrial relay - contact: 2 PDTs - for multi-input fault warnings - with input diode array in P polarity (6 diodes 1N4007) and capacitor parallel to the coil as well as a multi-input light indicator - input voltage 230 V AC