Technical specifications
| Power supply | 110 - 240 VAC ±10% 50 / 60 Hz, (24–30 VDC) |
| Rated load current of AC output (resistive load)* | 2 X 4 A / 240 VAC |
| Rated load current of DC output (resistive load) | 2 X 4 A / 30 VDC |
| Output circuit power of AC output (resistive load) | 2 X 920 W (240 VAC) |
| Output circuit power of DC output (resistive load) | 2 X 96 W (24 VDC) |
| Power measurement accuracy | P = 0-200 W, +/- 2 W P > 200 W, +/-3% |
| Digital temperature sensor range (sensor must be ordered separately) |
-25°C~+80°C (-13~ 176°F), resolution 0.1°C |
| Operation temperature | -10° ~ +40°C (14 ~ 104°F) |
| Distance | up to 30 m indoors (98 ft) (depending on building materials) |
| Dimensions (WxHxD) | 41.8 x 36.8 x 16.9 mm / 1,65x1,45x0,66 in |
| (packaging) | 86 x 74 x 43 mm / 3,39x2,91x1,69 in |
| Weight (including packaging) | 28 g (54 g) / 0.99oz (1.90oz) |
| Electricity consumption | 0.4 W |
| For installation in boxes | Ø ≥ 60 mm (2,36 in) or 2 M, depth ≥ 60 mm (2,36 in) |
| Switching | Relay (2x) |
* In case of loads other than resistive loads, please pay attention to the value of cos φ. If necessary, connect loads less powerful than what they’re rated for – this applies to all motor loads. Max current for cos φ=0,4 is 2A at 250VAC, 3A at 24VDC.
Supported Z-Wave Frequencies
| ORDERING CODE (MODELING NUMBER) | Z-WAVE FREQUENCY |
| ZMNHBD1 | 868.4 MHz |
| ZMNHBD2 | 921.4 MHz |
| ZMNHBD3 | 908.4 MHz |
| ZMNHBD4 | 869,0 MHz |
| ZMNHBD5 | 916,0 MHz |
| ZMNHBD6 | 868,4 MHz |
| ZMNHBD7 | 919,8 MHz |
| ZMNHBD8 | 865,2 MHz |
| ZMNHBD9 | 922,5 MHz |
| ZMNHBDA | 919,7 – 921,7 – 923,7 MHz |
| ZMNHBDB | 868,1 MHz |
| ZMNHBDC | 868,1 MHz |
| ZMNHBDD | 919,8 MHz |
| ZMNHBDE | 920,9 MHz |
Configuration parameters
Parameter no. 1 – In-wall Switch Type for Load 1 (Q1)
With this parameter, you can select between push-button (momentary) and on/off toggle switch types
Values (size is 1 byte dec):
- default value 1
- 0 - push-button (momentary)
- 1 - on/off toggle switch5
Parameter no. 2 – In-wall Switch Type for Load 2 (Q2)
With this parameter, you can select between push-button (momentary) and on/off toggle switch types.
Values (size is 1 byte dec):
- default value 1
- 0 - push-button (momentary)
- 1 - on/off toggle switch
Parameter no. 10 - Activate / deactivate ALL ON/ALL OFF Functionality
Flush 2 Relay device responds to commands ALL ON / ALL OFF that may be sent by the primary or secondary gateway (hub) within the Z-Wave network.
Values (size is 2 byte dec):
- default value 255
- 255 - ALL ON active, ALL OFF active
- 0 - ALL ON not active, ALL OFF not active
- 1 - ALL ON not active, ALL OFF active
- 2 - ALL ON active, ALL OFF not active
Parameter no. 11 - Turn Load 1 (Q1) Off Automatically with Timer
If Load 1 (Q1) is ON, you can schedule it to turn OFF automatically after a period of time defined in this parameter. The timer is reset to zero each time the device receives an ON command, either remotely (from the gateway (hub) or associated device) or locally from the switch.
Values (size is 2 byte dec):
- default value 0
- 0 - Auto OFF Disabled
- 1 - 32535 = 1 - 32535 seconds (or milliseconds – see Parameter no. 15). Auto OFF timer enabled for a given amount of seconds (or milliseconds).
Parameter no. 12 - Turn Load 1 (Q1) On Automatically with Timer
If Load (Q1) is OFF, you can schedule it to turn ON automatically after a period of time defined in this parameter. The timer is reset to zero each time the device receives an OFF command, either remotely (from the gateway (hub) or associated device) or locally from the switch.
Values(size is 2 byte dec):
- default value 0
- 0 - Auto ON Disabled
- 1 - 32535 = 1 - 32536 seconds (or milliseconds – see Parameter no. 15). Auto ON timer enabled for a given amount of seconds (or milliseconds)
Parameter no. 13 - Turn Load 2 (Q2) Off Automatically with Timer
If Load (Q2) is ON, you can schedule it to turn OFF automatically after a period of time defined in this parameter. The timer is reset to zero each time the device receives an ON command, either remotely (from the gateway (hub) or associated device) or locally from the switch.
Values (size is 2 byte dec):
- default value 0
- 0 - Auto ON Disabled
- 1 - 32535 = 1 - 32536 seconds (or milliseconds – see Parameter no. 15). Auto ON timer enabled for a given amount of seconds (or milliseconds)
Parameter no. 14 - Turn Load 2 (Q2) On Automatically with Timer
If Load (Q2) is OFF, you can schedule it to turn ON automatically after a period of time defined in this parameter. The timer is reset to zero each time the device receives an OFF command, either remotely (from the gateway (hub) or associated device) or locally from the switch.
Values (size is 2 byte dec):
- default value 0
- 0 - Auto ON disabled
- 1 - 32535 = 1 - 32536 seconds (or milliseconds – see Parameter no. 15). Auto ON timer enabled for a given amount of seconds (or milliseconds)
Parameter no. 15 - Set Timer Units to Seconds or Milliseconds
Choose if you want to set the timer in seconds or milliseconds in parameters 11, 12, 13, and 14.
Values (size is 1 byte dec):
- default value 0
- 0 – timer set in seconds
- 1 – timer set in milliseconds
Please note that the value from this parameter applies to settings for Q1 and Q2 loads in all of the above parameters (timer on / timer off).
Parameter no. 30 - Restore on/off status for Q1 and Q2 loads after power failure
This parameter determines if on/off status is saved and restored for both loads after power failure.
Values (size is 1 byte dec):
- default value 0
- 0 - Device saves last on/off status and restores it after a power failure
- 1 - Device does not save on/off status and does not restore it after a power failure, it remains off
Parameter no. 40 – Watt Power Consumption Reporting Threshold for Q1 Load
Choose by how much power consumption needs to increase or decrease to be reported. Values correspond to percentages so if 50 is set (by default), the device will report any power consumption changes of 50% or more compared to the last reading.
Values (size is 1 byte dec):
- default value 50
- 0 - Power consumption reporting disabled
- 1 - 100 = 1% - 100% Power consumption reporting enabled. New value is reported only when Wattage in real time changes by more than the percentage value set in this parameter
compared to the previous Wattage reading, starting at 1% (the lowest value possible)
NOTE: Power consumption needs to increase or decrease by at least 1 Watt to be reported, REGARDLESS of percentage set in this parameter.
Parameter no. 41 – Watt Power Consumption Reporting Threshold for Q2 Load
Choose by how much power consumption needs to increase or decrease to be reported. Values correspond to percentages so if 50 is set (by default), the device will report any power consumption changes of 50% or more compared to the last reading.
Values (size is 1 byte dec):
- default value 50
- 0 - Power consumption reporting disabled
- 1 - 100 = 1% - 100% Power consumption reporting enabled. New value is reported only when Wattage in real time changes by more than the percentage value set in this parameter
compared to the previous Wattage reading, starting at 1% (the lowest value possible)
NOTE: Power consumption needs to increase or decrease by at least 1 Watt to be reported, REGARDLESS of percentage set in this parameter.
Parameter no. 42 – Watt Power Consumption Report Time Threshold for Q1 Load
Set value refers to the time interval with which power consumption in Watts is reported (0 – 32535 seconds). If 300 is entered, energy consumption reports will be sent to the gateway (hub) every 300 seconds (5 minutes).
Values (size is 2 byte dec):
- default value 0
- 0 - Power consumption reporting disabled
- 1 - 32535 = 1 - 32535 seconds. Power consumption reporting enabled. Report is sent according to time interval (value) set here.
Parameter no. 43 – Watt Power Consumption Reporting Time Threshold for Q2 Load
Set value refers to the time interval with which power consumption in Watts is reported (0 – 32535 seconds). If 300 is entered, energy consumption report will be sent to the gateway (hub) every 300 seconds (5 minutes).
Values (size is 2 byte dec):
- default value 0
- 0 - Power consumption reporting disabled
- 1 - 32535 = 1 - 32535 seconds. Power consumption reporting enabled. Report is sent according to time interval (value) set here
Parameter no. 63 – Choose Normally Closed or Normally Open as Default for Q1 Load
Set value determines the type of the device connected to the Q1 output. The device type can be normally open (NO) or normally closed (NC).
Values (size is 1 byte dec):
- default value 0
- 0 - When switch/device is off the output is 0V (NC)
- 1 - When switch/device is off the output is 240V (NO)
Parameter no. 64 – Choose Normally Closed or Normally Open as Default for Q2 Load
Set value determines the type of the device connected to the Q2 output. The device type can be normally open (NO) or normally closed (NC).
Values (size is 1 byte dec):
- default value 0
- 0 - When switch/device is off the output is 0V (NC)
- 1 - When switch/device is off the output is 240V (NO)
Temperature Sensor Setting
Parameter no. 110 – Temperature Sensor Offset Settings
Set value is added to or subtracted from the actually measured value to adjust the temperature report sent by an external sensor (sold separately). This parameter only applies to the Celsius temperature unit (the Fahrenheit unit is currently not supported).
Values (size is 2 byte dec):
- default value 32536
- 32536 - Offset is 0 °C
- 1 - 100 – Where 1 stands for 0.1°C and 100 stands for 10.0 °C added to the actual measurement
- 1001 - 1100 – Where 1001 stands for -0.1 °C and 1100 stands for -10.0 °C subtracted from the actual measurement
Parameter no. 120 – Temperature Sensor Reporting Threshold
If an external digital temperature sensor (sold separately) is connected to the device, it reports temperature readings based on the threshold defined in this parameter. This parameter only applies to the Celsius temperature unit (the Fahrenheit unit is currently not supported).
Values (size is 1 byte dec):
- Default value 5 = 0.5 °C
- 0 – Reporting disabled
- 1 - 127 = Where 1 stands for 0.1°C and 127 stands for 12.7 °C
Electrical diagram
| N | Neutral wire (+VDC) |
| L | Live (line) wire (-VDC) |
| Q1↑ | Output for electrical device (load) no. 1 |
| Q2↑ | Output for electrical device (load) no. 2 |
| I2 | Input to control electrical device (in-wall switch) no.2 |
| I1 | Input to control electrical device (in-wall switch) no.1 |
| TS | Temperature sensor terminal |
| * | Wago 221-413 splicing connectors for L and N connection must be used only when connected to 240 VAC. |
| S | Service button |
*Wago 221-413 splicing connectors for L and N connection must be used only when connected to 240 VAC.