- AC 85-300V 50/60HZ
- Over current protection, over voltage protection, under voltage protection can disable one , two or three of them.
- the device have lightning protection for itself.
- Voltage and Current Accuracy 0.5%
- Its own power consumption <0.5W
- Can be manually and automatically reconnect.
- Can set the delay on and delay off time
- Can be used as a normal switch
- Can be used as a cycle switch. Remarks The product does not have a battery. If the external power supply is out of power, the cycle time starts from 0.
- Electricity metering accuracy Class 1
- Backlight mode is optional, convenient for user scene selection
- Malignant load identification limit (pure resistive load), for apartments Rental housing restrictions Fast heat ElectromagneticKettle Electric rice cooker and other resistive high-power equipment.
- General Description
DDS238-VAP type multi-function Protective Device is designed to measure single phase two wire AC active energy and used in overvoltage protection, under voltage protection and over-current protection . In case of over-voltage fault, under-voltage fault or over-current fault in line, this product can instantly power off the load to prevent electrical equipment from being burnt. The over-voltage, under-voltage and over-current values of this product can all be set up by yourself and can be adjusted on the basis of local practical condition .It is a long use-life product with the advantage of high stability , high over load capability , low power loss and wide working voltage range .
2.1 LCD display with backlight , can display total active energy (kWh) , real time current (A) , voltage(V) , active power (W) .
2.2 LCD display kWh (4 digital+1 decimal) , Bi-directional total active energy measurement ,reverse active energy measure in the total active energy
2.3 Product self-design has function of lighting protection
2.4 Overvoltage protection, under voltage protection and over-current protection can select auto-Reclosing mode or manual–Reclosing mode
2.5 In case of over-voltage fault, under-voltage fault or over current fault in single phase line, the product can power off the line and can automatically restore connecting the line over a time delay after voltage of the lien is recovered to normal condition.
2.6 In case of transient over voltage in line, the product can protect the equipment from false operation.
2.7 In case that the line subjects to unstable voltage or sudden power-off and power-on due to loosened connection and other fault, the product will disconnect the line.
2.8 When fault voltage of the line reaches the peak, the product itself will not be damaged.
2.9 Under over-current protection mode , you also can select Malignant load protection (Pure Resistive Load limit) which is used for Apartments and Student Dormitories electric safety
2.10 You can select the circuit output cycle switch on/off mode
2.11 Led indication of overvoltage protection, under voltage protection and over-current protection
2.12 Diversified design for the protection , you can closed t any one of overvoltage protection, under voltage protection and over-current protection in any time
Note 1: Under voltage protection value must be smaller than Overvoltage recovery value , or it will restore factory setting .
Note 2: Under the setting mode , mode 1 to 7 all can display the function mode , backlight mode , Delay time in load switch on after input power on , but the following display will difference according to the function mode .
4.3 Key operation instruction
4.3.1 P ress and hold on the set key for 3s, entering into setting status and if go on hold the set key , it can select different function mode . then you can set different value by pressing the up key or down key to increase or decrease the detailed value. if you hold up key or down key at all , the value will increase or decrease at all .
4.3.2 Under the function mode , hold on the set key for 3s , it will save and exit to normal display status . if you have no any operation more than 30s , it will also exit to normal display status . if you press the he up key or down in the meantime ,all data will restore factory setting
4.3.4 Under the normal display status , you can display voltage/current/active energy/active power step by step by pressing the up key or down . the LCD will display step by step automatically
4.3.5 Under the function mode 2 , you can press the he up key or down in the meantime to make the output load switch on after happen protection /switch off
4.3.6 Under the function mode 1 and 2 , it the press the down key to check the last five records of protection reason(Er1 Er5 ) .under the display firstly layer is Er1 , the second layer number : 1 means the overvoltage protection, 2 means under voltage protection , 3 means over-current protection , 4 means
4.3.7 Under the function mode 3 and 4 , all protection function will be closed . the product is only as normal switch for keep the output load is switch on/off
4.3.8 Under the function mode 5/6/7 , all protection function will be closed . the product is only as normal switch for keep the output load is switch on/off in cycle .
4.4 LCD display instruction
4.4.1 normal working status LCD display