Series 600 high-voltage reed relays from Pickering Electronics offer over 2500 combinations of rating and connection options.

Number of auxiliary contacts as normally closed contact, delayed switching ...

The TNL31E 17-32V DC is a contactor relay used for switching auxiliary circuits and control circuits - Poles: 4-pole contactor relays (mechanically linked contact elements available) - Control circuit ...

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ESP32 Based Relay on/off with Python + Mosquitto Backend - GitHub - Hamas888/Basic_MQTT_Relay_Control: ESP32 Based Relay on/off with Python + Mosquitto Backend ...