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  • Brand Name: TOMZN
  • Type: Mini
  • Model Number: DDS238-VAP
  • is_customized: Yes
  • Overvoltage protection range: 85-300V ( default 270V)
  • Under voltage protection range: 85-300V ( default 170V)
  • Over current protection range: 1-63A ( default 40A)
  • Delay on time range: 2-255s
  • Delay off time range: 1-512s
  • Active time range: 0.1-60s

Description

  1. AC 85-300V 50/60HZ
  2. Over current protection, over voltage protection, under voltage protection can disable one , two or three of them.
  3. the device have lightning protection for itself.
  4. Voltage and Current Accuracy 0.5%
  5. Its own power consumption <0.5W
  6. Can be manually and automatically reconnect.
  7. Can set the delay on and delay off time
  8. Can be used as a normal switch
  9. 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.
  10. Electricity metering accuracy Class 1
  11. Backlight mode is optional, convenient for user scene selection
  12. Malignant load identification limit (pure resistive load), for apartments Rental housing restrictions Fast heat ElectromagneticKettle Electric rice cooker and other resistive high-power equipment.

Input working voltage

85~300V

Overvoltage protection value

85-300V ( default 270V)

Under voltage  protection  value

85-300V ( default 170V)

Over current  protection  value

1 -63A ( default 40A )

1 -80A ( default 60A special order)

Rated frequency

50/60Hz

Delay in switch on after power off

2-255V ( default 2s)

Voltage circuit power consumption

1W

Current circuit power consumption

<1VA

Active energy display range

0~9999.9kWh

Voltage/current/active power accurate

+0.5%

Active energy accurate

+1%  (IEC62053-21)

Operating temperature

-25 ~+ 70

Storage  temperature

-40 ~+ 80

Relative humidity

85%

Altitude

2500m

Electromagnetic Environment

E2

Mechanical life

100000  cycles

  1.  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.Product features

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

3.Specification and Technical Parameters

Input working voltage

85~300V

Overvoltage protection value

85-300V ( default 270V)

Under voltage  protection  value

85-300V ( default 170V)

Over current  protection  value

1 -63A ( default 40A )

1 -80A ( default 60A special order)

Rated frequency

50/60Hz

Delay in switch on after power off

2-255V ( default 2s)

Voltage circuit power consumption

1W

Current circuit power consumption

<1VA

Active energy display range

0~9999.9kWh

Voltage/current/active power accurate

+0.5%

Active energy accurate

+1%  (IEC62053-21)

Operating temperature

-25 ~+ 70

Storage  temperature

-40 ~+ 80

Relative humidity

85%

Altitude

2500m

Electromagnetic Environment

E2

Mechanical life

100000  cycles

4.LCD display and mode setting

4.1 Window sketch

4.2 Function mode and display code instruction

LCD

Code

Parameters setting

default

Max.

Min.

Marking

de

Function mode

1

7

1

De1

Mode 1

overvoltage protection, under voltage protection and over-current protection automatic switch off/on

De2

Mode 2

overvoltage protection, under voltage protection and over-current protection automatic switch off/manual switch on

De3

Mode 3

Close function of overvoltage protection, under voltage protection and over-current protection ,always keep the output load switch off

De4

Mode 4

Close function of overvoltage protection, under voltage protection and over-current protection ,always keep the output load switch on

De5

Mode 5 , unit: second

5

999

1

Close function of overvoltage protection, under voltage protection and over-current protection , keep the output load switch on /off in cycle

De6

Mode 5 , unit: minute

5

999

1

De7

Mode 5 , unit: hour

5

999

1

Bg

Backlight mode

2

2

1

Mode 1 means always lighting,mode 2 means it will lighting last 30s after you push the button . it will light out after 30s if no any operation with button

SS

Delay time in load switch on after input power on

2s

255s

2s

It means switch on the output load after how many times when product input power on again

Uo

Overvoltage protection value

270V

300 V

85 V

If the value exceed the range , the LCD will display off and closed this protection function

UoH

Overvoltage recovery value

265 V

300 V

85 V

This value must be smaller than overvoltage protection value. or it will default set as overvoltage protection value -5V when you save

UL

Under voltage protection value

170 V

300 V

85 V

If the value exceed the range , the LCD will display off and closed this protection function

ULH

Under voltage recovery value

175 V

300 V

85 V

This value must be smaller than under voltage protection value. or it will default set as under voltage protection value +5V when you save

SU

overvoltage / under voltage fault judgment time

3s

60s

0.1s

It means the fault must be last how many times then it will make output load switch off when happen fault

Io

Over current  protection  value

40A

63 A

1 A

If the value exceed the range , the LCD will display off and closed this protection function

Ic

Malignant load protection value (Pure Resistive Load limit)

0.5 A

5 A

0.5 A

If the value exceed the range , the LCD will display off and closed this protection function

SI

Over current fault judgment time

3s

60s

0.1s

It means the fault must be last how many times then it will make output load switch off when happen fault

SH

Delay time setting for recovery load after output load switch off protection

60s

512s

1s

It means the product must wait for how many times then make the output switch on again after happen protection

op

Delay time set for cycle switchunder function mode 5/6/7

5

999

1

The time unit is different under mode 5/6/7

CL

Delay time set for cycle switch onunder function mode 5/6/7

5

999

1

The time unit is different under mode 5/6/7

Er1

Last five records of protection reason

5

1

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

4.4.2 Under function mode setting and value setting LCD display

4.4.3 Under function mode s 5/6/7   LCD display

5.Usage

5.1The product can be installed on  35 mm din rail ,it should be install in the water proof box indoor or outdoor . The product should be install fully in accordance with connection diagram on the terminal cover, it is better to use copper as the leading wire for connection. All screws should be tightened.

5.2 installation dimension

5.3 Connection diagram

    Wire connection must connect as sequence of the above 2 type diagram

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