[TS0601 / _TZE204_wbhaespm] ???

[mhatzis]

What happened? can not set "over_current_breaker" to on and same with overcurrent threshold

What did you expect to happen? this was working in z2m edge and stopped with latest 26.3.1 upgrade also tried main stream z2m with same issue

How to reproduce it (minimal and precise)

Debug logs

[2026-03-09 07:11:50] error: z2m: Publish 'set' 'over_current_breaker' to 'CB' failed: 'TypeError: Cannot read properties of null (reading 'toString')'
[2026-03-09 07:11:50] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/CB', payload '{"current_a":0.267,"current_b":null,"current_c":null,"energy":334.75,"fault":"clear","high_temperature_breaker":null,"high_temperature_threshold":null,"insufficient_balance_breaker":"OFF","insufficient_balance_threshold":1,"leakage_breaker":"ON","leakage_test":null,"leakage_threshold":78,"linkquality":105,"over_current_breaker":null,"over_current_threshold":null,"over_voltage_breaker":null,"over_voltage_threshold":null,"overload_breaker":null,"overload_threshold":null,"power_a":40,"power_b":null,"power_c":null,"state":"ON","temperature":15,"under_voltage_breaker":null,"under_voltage_threshold":null,"voltage_a":229.8,"voltage_b":null,"voltage_c":null}'

Details

os: #1 SMP PREEMPT Thu Feb 12 15:22:26 UTC 2026 - 6.12.47-haos-raspi - arm64
node: v22.16.0
zigbee2mqtt: 2.6.2-dev (85c894dc)
zigbee-herdsman: 6.2.0
zigbee-herdsman-converters: 25.42.0
adapter: ZStack3x0 {"maintrel":1,"majorrel":2,"minorrel":7,"product":1,"revision":20240710,"transportrev":2}

Device

software_build_id: undefined
date_code: ``
endpoints:

{"1":{"bindings":[],"clusters":{"input":["genGroups","genScenes","manuSpecificTuya","genBasic"],"output":["genOta","genTime"]},"configured_reportings":[],"scenes":[]},"242":{"bindings":[],"clusters":{"input":[],"output":["greenPower"]},"configured_reportings":[],"scenes":[]}}