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Sercomm SZ-ESW01-AU #

Model SZ-ESW01-AU
Vendor Sercomm
Description Telstra smart plug
Exposes switch (state), power, linkquality
Picture Sercomm SZ-ESW01-AU

Notes #

Pairing #

With the device unplugged (or socket switched off), press and hold the pairing button for ~4 seconds. Continue holding the pairing button while plugging in the device (or switching the socket on) and continue to hold for 2 seconds. If pairing is successful the red LED will switch off for ~2 seconds, then flash.

Exposes #

Switch #

The current state of this switch is in the published state under the state property (value is ON or OFF). To control this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state": "ON"}, {"state": "OFF"} or {"state": "TOGGLE"}. To read the current state of this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"state": ""}.

Power (numeric) #

Instantaneous measured power. Value can be found in the published state on the power property. It’s not possible to read (/get) or write (/set) this value. The unit of this value is W.

Linkquality (numeric) #

Link quality (signal strength). Value can be found in the published state on the linkquality property. It’s not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 255. The unit of this value is lqi.

Manual Home Assistant configuration #

Although Home Assistant integration through MQTT discovery is preferred, manual integration is possible with the following configuration:

switch:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    payload_off: "OFF"
    payload_on: "ON"
    value_template: "{{ value_json.state }}"
    command_topic: "zigbee2mqtt/<FRIENDLY_NAME>/set"

sensor:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    value_template: "{{ value_json.power }}"
    unit_of_measurement: "W"
    device_class: "power"

sensor:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    value_template: "{{ value_json.linkquality }}"
    unit_of_measurement: "lqi"
    icon: "mdi:signal"