diff --git a/ACKNOWLEDGEMENTS.md b/ACKNOWLEDGEMENTS.md
index 70a1be78df..29574ad420 100644
--- a/ACKNOWLEDGEMENTS.md
+++ b/ACKNOWLEDGEMENTS.md
@@ -684,3 +684,4 @@ Further device support has been made with the assistance of users. Please consid
 - [Jabber-se](https://github.com/Jabber-se) for contributing support for HRT AS90 climate alarm.
 - [Elliottmonaghan](https://github.com/Elliottmonaghan) for contributing support for Holman Helios weather station.
 - [maddijoyce](https://github.com/maddijoyce) for contributing support for a second type of illuminance sensor.
+- [rege245](https://github.com/rege245) for contributing support for WDYK 4P100A energy meter circuit breaker.
diff --git a/DEVICES.md b/DEVICES.md
index a9115be61d..e7404308c7 100644
--- a/DEVICES.md
+++ b/DEVICES.md
@@ -411,8 +411,9 @@
 - Tongou ST463JWT 4P 3-phase circuit breaker
 - Tongou TO-Q-SYS-WT energy monitoring circuit breaker
 - V-WIFI-DL02-ES energy consumption clamp meter
-- WDYK 2P63A energy meter
+- WDYK 2P63A energy meter circuit breaker
 - WDYK 3 phase 4 pole 400V energy meter circuit breaker
+- WDYK 4P100A energy meter circuit breaker
 - Yagusmart 3PN 63A 3-phase eneregy meter
 - ZM-Wi-Fi smart meter
 
diff --git a/custom_components/tuya_local/devices/wdyk_4p100a_energymeter.yaml b/custom_components/tuya_local/devices/wdyk_4p100a_energymeter.yaml
new file mode 100644
index 0000000000..5aaac22edd
--- /dev/null
+++ b/custom_components/tuya_local/devices/wdyk_4p100a_energymeter.yaml
@@ -0,0 +1,502 @@
+name: Energy meter
+# products:
+#   - id: UNKNOWN
+#     name: WDYK 4P100A
+primary_entity:
+  entity: sensor
+  class: energy
+  dps:
+    - id: 1
+      type: integer
+      name: sensor
+      unit: kWh
+      class: total_increasing
+      optional: true
+      mapping:
+        - scale: 100
+    - id: 6
+      name: phase_a
+      type: base64
+      optional: true
+      force: true
+    - id: 7
+      name: phase_b
+      type: base64
+      optional: true
+      force: true
+    - id: 8
+      name: phase_c
+      type: base64
+      optional: true
+      force: true
+    - id: 9
+      type: bitfield
+      name: fault_code
+    - id: 19
+      type: string
+      name: breaker_number
+    - id: 116
+      type: string
+      name: card_id
+      optional: true
+secondary_entities:
+  - entity: binary_sensor
+    name: Short circuit
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 1
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Surge
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 2
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Overload
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 4
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Current leak
+    class: safety
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 8
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Overheat
+    class: heat
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 16
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Fire
+    class: smoke
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 32
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Over power
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 64
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Self test
+    class: running
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 128
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Over current
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 256
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Unbalanced
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 512
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Over voltage
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 1024
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Under voltage
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 2048
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Out of phase
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 4096
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Outage
+    class: power
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 8192
+            value: false
+          - value: true
+  - entity: binary_sensor
+    name: Magnetism
+    class: tamper
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 16384
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: Credit low
+    class: problem
+    icon: "mdi:cash"
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 32768
+            value: true
+          - value: false
+  - entity: binary_sensor
+    name: "No balance"
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 9
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 65536
+            value: true
+          - value: false
+  - entity: switch
+    name: Prepay
+    category: config
+    icon: "mdi:cash"
+    dps:
+      - id: 11
+        type: boolean
+        name: switch
+  - entity: button
+    name: Reset energy
+    category: config
+    class: restart
+    dps:
+      - id: 12
+        type: boolean
+        name: button
+  - entity: sensor
+    name: Energy balance
+    class: energy_storage
+    category: diagnostic
+    dps:
+      - id: 13
+        type: integer
+        name: sensor
+        unit: kWh
+        class: measurement
+        mapping:
+          - scale: 100
+  - entity: number
+    name: Charge energy
+    category: config
+    class: energy_storage
+    icon: "mdi:cash"
+    dps:
+      - id: 14
+        type: integer
+        name: value
+        unit: kWh
+        optional: true
+        range:
+          min: 0
+          max: 999999
+        mapping:
+          - scale: 100
+  - entity: switch
+    name: Circuit breaker
+    icon: "mdi:fuse"
+    category: config
+    dps:
+      - id: 16
+        type: boolean
+        name: switch
+        optional: true
+  - entity: sensor
+    name: Voltage A
+    class: voltage
+    category: diagnostic
+    dps:
+      - id: 6
+        type: base64
+        name: sensor
+        optional: true
+        unit: V
+        mapping:
+          - mask: "FFFFFF0000000000000000"
+            scale: 10
+  - entity: sensor
+    name: Current A
+    class: current
+    category: diagnostic
+    dps:
+      - id: 6
+        type: base64
+        name: sensor
+        optional: true
+        unit: A
+        mapping:
+          - mask: "000000FFFFFF0000000000"
+            scale: 1000
+  - entity: sensor
+    name: Power A
+    class: power
+    category: diagnostic
+    dps:
+      - id: 6
+        type: base64
+        name: sensor
+        optional: true
+        unit: kW
+        mapping:
+          - mask: "000000000000FFFFFF0000"
+            scale: 1000
+  - entity: sensor
+    name: Voltage B
+    class: voltage
+    category: diagnostic
+    dps:
+      - id: 7
+        type: base64
+        name: sensor
+        optional: true
+        unit: V
+        mapping:
+          - mask: "FFFFFF000000000000"
+            scale: 10
+  - entity: sensor
+    name: Current B
+    class: current
+    category: diagnostic
+    dps:
+      - id: 7
+        type: base64
+        name: sensor
+        optional: true
+        unit: A
+        mapping:
+          - mask: "000000FFFFFF000000"
+            scale: 1000
+  - entity: sensor
+    name: Power B
+    class: power
+    category: diagnostic
+    dps:
+      - id: 7
+        type: base64
+        name: sensor
+        optional: true
+        unit: kW
+        mapping:
+          - mask: "000000000000FFFFFF"
+            scale: 1000
+  - entity: sensor
+    name: Voltage C
+    class: voltage
+    category: diagnostic
+    dps:
+      - id: 8
+        type: base64
+        name: sensor
+        optional: true
+        unit: V
+        mapping:
+          - mask: "FFFFFF000000000000"
+            scale: 10
+  - entity: sensor
+    name: Current C
+    class: current
+    category: diagnostic
+    dps:
+      - id: 8
+        type: base64
+        name: sensor
+        optional: true
+        unit: A
+        mapping:
+          - mask: "000000FFFFFF000000"
+            scale: 1000
+  - entity: sensor
+    name: Power C
+    class: power
+    category: diagnostic
+    dps:
+      - id: 8
+        type: base64
+        name: sensor
+        optional: true
+        unit: kW
+        mapping:
+          - mask: "000000000000FFFFFF"
+            scale: 1000
+  - entity: number
+    name: Overvoltage threshold
+    category: config
+    class: voltage
+    icon: "mdi:flash-alert"
+    dps:
+      - id: 101
+        type: integer
+        name: value
+        unit: V
+        range:
+          min: 230
+          max: 300
+  - entity: number
+    name: Undervoltage threshold
+    category: config
+    class: voltage
+    icon: "mdi:flash-alert"
+    dps:
+      - id: 102
+        type: integer
+        name: value
+        unit: V
+        range:
+          min: 90
+          max: 210
+  - entity: number
+    name: Overcurrent threshold
+    category: config
+    class: current
+    icon: "mdi:fuse-alert"
+    dps:
+      - id: 103
+        type: integer
+        name: value
+        unit: A
+        range:
+          min: 1
+          max: 63
+  - entity: number
+    name: Leakage current
+    category: config
+    class: current
+    dps:
+      - id: 104
+        type: integer
+        name: value
+        unit: mA
+        range:
+          min: 10
+          max: 100
+  - entity: switch
+    name: Mute alarm
+    icon: "mdi:volume-mute"
+    category: config
+    dps:
+      - id: 105
+        type: boolean
+        name: switch
+  - entity: binary_sensor
+    name: Earth leak
+    class: safety
+    category: diagnostic
+    dps:
+      - id: 106
+        type: boolean
+        name: sensor
+  - entity: button
+    name: Reset total energy
+    class: restart
+    category: config
+    dps:
+      - id: 115
+        type: boolean
+        name: button
+        optional: true
+  - entity: button
+    name: Reset balance energy
+    class: restart
+    category: config
+    dps:
+      - id: 12
+        type: boolean
+        name: button
+        optional: true