✅ Future-proofBuilt to keep working — even if the maker walks away.
It works locally over Z-Wave, so it keeps running even if Widom shuts down the app or the servers. Nothing here ties you to a single company's survival.
Works locally over Z-Wave — keeps running without the maker's cloud
Still in production
Based on how this device connects (local vs. cloud), whether it’s still sold and supported, and its app / subscription. A guide, not a guarantee.
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Z-Wave
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The smallest device in its category worldwide, and the only device specifically intended for use both as a Relay Switch with integrated power meter, and as an Energy Meter either at the point of entry of your electrical system, or on a section of the latter. Available in two versions, version S featuring an internal shunt resistor, and version C featuring an external current transformer, it is capable of measuring loads exceeding 10 KW. In addition to Power measurements, the device also provides data for Energy, Voltage, Current and Power factor. The only device suited for use with all types of Z-Wave controller, and capable of implementing an active energy-saving management policy defined by the user according to his energy consumption, or to the amount of energy produced by his solar power system. It automatically connects and disconnects a specific load if the threshold limit is exceeded, or “supplies” the required power, momentarily excluding non-priority loads. Main Feature: • Active Energy-saving Management • Control and monitoring of usage • Control and monitoring of production and net metering • Monitoring of all network parameters (Power, Energy, Voltage, Current, Power Factor) • Provides bidirectional measurements for Power and Energy (produced/consumed). • Management and prevention of electrical faults • Intelligent Opening/Closing of the Relay • Control of heavy loads • Software Update • Extremely low energy usage
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The smallest device in its category worldwide, and the only device specifically intended for use both as a Relay Switch with integrated power meter, and as an Energy Meter either at the point of entry of your electrical system, or on a section of the latter. Available in two versions, version S featuring an internal shunt resistor, and version C featuring an external current transformer, it is capable of measuring loads exceeding 10 KW. In addition to Power measurements, the device also provides data for Energy, Voltage, Current and Power factor. The only device suited for use with all types of Z-Wave controller, and capable of implementing an active energy-saving management policy defined by the user according to his energy consumption, or to the amount of energy produced by his solar power system. It automatically connects and disconnects a specific load if the threshold limit is exceeded, or “supplies” the required power, momentarily excluding non-priority loads. Main Feature: • Active Energy-saving Management • Control and monitoring of usage • Control and monitoring of production and net metering • Monitoring of all network parameters (Power, Energy, Voltage, Current, Power Factor) • Provides bidirectional measurements for Power and Energy (produced/consumed). • Management and prevention of electrical faults • Intelligent Opening/Closing of the Relay • Control of heavy loads • Software Update • Extremely low energy usage
Hardware platform
ZM5202
Short description
The smallest device in its category worldwide, specifically intended for use both as a Relay Switch with integrated power meter, and as an Energy Meter either at the point of entry of your electrical system, or on a section of the latter. In addition to Power measurements, the device also provides data for Energy, Voltage, Current and Power factor.
Association groups
Group Number Maximum Nodes Supported End Point ID Description 1
Product identifier
WPM1.04C
Countries / regions
European Union
Certification number
ZC10-15040001
Radio range z wave (m)
40
Configuration parameters
Parameter Number Name Description Format Size Min Value Max Value Default Value Parameter Values 43
Supports explorer frames
Yes
Controlled command classes
Identifier Name Key Version COMMAND_CLASS_BASIC
From to description 0 2000000 energy level in kwh 44 energy limit state defines the next state of the device in the case of an energy limit event occurring. 0 1 0 0 0 from to description 0 0 ignore 1 1 on 2 2 off 3 3 toggle 45 variation instantaneous power defines the percentage variation of instantaneous power determining the sending of the report. 0 1 0 0 10 from to description 1 100 power variation in percentage 46 report time frequency defines the maximum time in minutes since the previous report beyond which an instantaneous power report will still be sent. 0 1 0 0 10 from to description 1 100 time in minutes 48 nominal voltage defines the nominal voltage value in tenths of volts. together with parameter no. 49 this is used by the automatic notification system to send reports on variations of voltage. 0 2 0 0 2300 from to description 1100 2300 nominal voltage in volt 49 fall in maximum voltage defines, as a percentage, the nominal value for permitted fall in maximum voltage. 0 1 0 0 10 from to description 1 100 percentage of voltage variation 51 voltage rms value returns the value of voltage rms at the time of the reading expressed in tenths of volts. 0 2 0 0 0 52 current rms value returns the value of current rms expressed in hundredths of amperes. 0 2 0 0 0 53 power factor returns the value of power factor as a percentage. 0 1 0 0 0 54 total energy consumed returns the value of total energy consumed expressed in wh (thousandths of kwh). 0 4 0 0 0 55 total energy produced returns the value of total energy produced expressed in wh (thousandths of kwh). 0 4 0 0 0 60 start up status defines the status of the device following a restart. 0 1 0 0 3 from to description 3 3 status prior to restart 2 2 off 1 1 on 61 configuration reset defines which parameters should be reset to default values. 0 1 0 0 4 from to description 1 1 associations reset 2 2 configurations reset 0 0 factory reset 4 4 ignore 63 load control defines the load control mode. 0 1 0 0 1 from to description 1 1 direct control 2 2 control by means of a contactor with normally open command 3 3 control by means of a contactor with normally closed command 4 4 as an external indicator 1 device status controlling the relay by means of a single click on the external switch or on the integrated button. 0 1 0 0 1 from to description 2 2 on 1 1 toggle 4 4 ignore 3 3 off 31 overcurrent time sets the time beyond which, in the case of overcurrent at a level higher than that established in parameter 30, an over current event occurs. 0 2 0 0 10 from to description 0 10800 time in seconds 41 down power state defines the next state of the device in the case of a down power event occurring. 0 1 0 0 0 from to description 1 1 on 2 2 off 3 3 toggle 0 0 ignore 42 down power associated defines the status of associated devices in the presence of a down power event. 0 1 0 0 0 from to description 255 255 on 1 99 dimming 0 0 off 62 type of external switch defines the type of external switch connected to the device. 0 1 0 0 4 from to description 0 0 ignore 2 2 switch 1 1 button 4 4 automatic recognition texts
