SEP LEM012SJ User Manual Download Page 4

 

SEP LEM012SJ 2015 V01 

 

1.3    Performance criteria: 
 

Operating humidity                                        ≤ 75% 
Storage humidity                                            ≤ 95% 
Specified operating temperature               -10°C - +40°C (3K5) 

Limit operating temperature                 

-25°C - +55°C (3K6) 

Storage temperature                                      -40°C - +70°C (1K5) 
International standard  

                        EN 50470-3 

Accuracy class  

 

 

 

                Class 1 

Protection against penetration                 

of dust and water                                            IP51 

Insulating encased meter of   
protective class                                               

 

 
 

1.4    Specifications: 

 

Reference voltage  (Un) 

                         230V AC 

Operational voltage 

                                 161 - 300V AC 

Insulation capabilities:  
- AC voltage withstand                                   2KV for 1 minute 

 

- Impulse voltage withstand                        6KV – 1.2µS waveform 
Minimum current (Imin)         

 

 

1.0 A   

 

 

 

Transitional current (Itr)       

 

 

2.0 A 

Reference current (Iref) 

 

                 20 A 

 

Maximum current (Imax)       

 

 

100 A   

Operational current range   

 

        1.0A - 100A  

 

 

Over current withstand  

 

                 3000A for 0.01s  

 

Operational frequency range   

         50Hz ±10%  

 

 

Internal power consumption 

 

         ≤2W / 10VA  

 

 

Test output flash rate (PULSE LED)  

500 pulses per kWh (2.0Wh/imp) 

Pulse output rate (pins 20 & 21)               500 pulses per kWh (2.0Wh/imp) 
Pulse supply current   

 

 

 

Ui max=27V / Ii max 27mA 

Power supply indicator (POWER LED)      Meter is connected and working OK 
Consumption indicator (PULSE LED)        Flashing at load running 

Data display mode                                          7+1 digits for LCD display 
Data save                                                            The data can be stored more than 20 years 
                                                                                when power cut. 

 
 

1.5    Intrinsic errors: 

 

Imin ≤ I < Itr           

Cosφ = 1                   

±1.5% 

Itr ≤ I ≤ Imax               Cosφ = 1   

           

±1.0% 

 

              Cosφ = 0.5L 

 

         ±1.0% 

   

 

 

 

 

Cosφ = 0.8C 

 

         ±1.0% 

 

1.6    Description

 

 

A   

 

 

 

        Front plate with LCD 

B   

 

 

 

        Meter cover 

C                                            Protection cover 

D                                            Security hasp 
E   

 

 

 

 

Indicator lights power and pulse. 

Summary of Contents for LEM012SJ

Page 1: ...0Hz class 1 DIN rail single phase two wire energy meter 1 1 Safety instruction 1 2 Foreword 1 3 Performance criteria 1 4 Specifications 1 5 Intrinsic errors 1 6 Description 1 7 Dimensions 1 8 Installation 1 9 Operating 1 10 Troubleshooting 1 11 Technical support User manual ...

Page 2: ...e The SEP LEM012SJ may only be used for the application cases specified in the catalog and the user manual and only in connection with devices and components recommended and approved by SEP Europe Proper handling The prerequisites for reliable operation of the product are proper transport proper storage installation and assembly as well as proper operation and maintenance When operating electrical...

Page 3: ...Any duplication is a violation of the law and subject to criminal and civil penalties All rights reserved particularly in the event of a patent award or utility model registration Registered trademarks SEP EUROPE is registered trademark of Schotman Elektro BV 1 2 Foreword Thank you for purchasing the SEP LEM012SJ DIN rail single phase two wire energy meter The LEM012SJ energy meter is an advanced ...

Page 4: ... Reference current Iref 20 A Maximum current Imax 100 A Operational current range 1 0A 100A Over current withstand 3000A for 0 01s Operational frequency range 50Hz 10 Internal power consumption 2W 10VA Test output flash rate PULSE LED 500 pulses per kWh 2 0Wh imp Pulse output rate pins 20 21 500 pulses per kWh 2 0Wh imp Pulse supply current Ui max 27V Ii max 27mA Power supply indicator POWER LED M...

Page 5: ...etarding polycarbonate Protection cover Fiber glass reinforced inflaming retarding polycarbonate E D D E 2 0 S O 6 3 1 4 N L 2 1 U i m a x 2 7 V li m a x 2 7 m A Single phase 100A kWh meter R L 2 0 W h im p R A 2 0 W h im p t i 8 0 m s S O R DMMeteri ng ADM 2 D V1 0 EN 50470 3 POWE R PU LSE R D M Me t eri ng kW h RA 2 0 W h imp R L 2 0 W h im p E N 5 0 4 7 0 3 B 230V 1 20 100 A 50Hz A B B C B A C ...

Page 6: ...t all power supplying the energy meter and the equipment to which it is installed before working on it Always use a properly rated voltage sensing device to confirm that power is off WARNING Installation should be performed by qualified personnel familiar with applicable codes and regulations Use isolated tools to install the meter Fuse or thermal cut off or single pole circuit breaker can t be fi...

Page 7: ...cifications of the building electrical design and all local regulations This meter can be installed indoor directly or in a meter box which is waterproof outdoor in compliance with the local codes and regulations The meter has to be installed in a good ventilated and dry place The meter has to be installed in a protection box in dangerous or dusty environment The meter can be installed and used af...

Page 8: ...there is For this LED the flash rate is 500 impulses per kWh 2 0Wh imp Reading the meter LEM012SJ is equipped with a white backlight LCD display During the normal working hours the backlight will be on all the time LCD display will show the following energy data and indication message a Current total energy When the meter is in normal working it will display only 7 1 energy data with The unit is k...

Page 9: ...h an pulse output which is fully separated from the inside circuit The generated pulses are in proportion to the measured energy for remote reading purposes and accuracy testing The pulse output is a polarity dependant passive transistor output requiring an external voltage source for correct operation For this external voltage source the voltage Ui should is 5 27V DC and the maximum input current...

Page 10: ... performed by qualified personnel familiar with applicable codes and regulations Use insulated tools to maintain or repair the meter Make sure the protection cover is in place after maintenance or repair Case is sealed failure to observe this instruction can result in damage for meter Problem Check Solution No light for the Power supply indicator Is AC power supply connected to the meter Is the 1 ...

Page 11: ... a fault in the inside circuit Check that the power supply indicator is burning If the operating power is too low the spacing interval of running will be prolonged so that people is under the delusion that register can t run Contact a qualified technician When necessary replace the meter LCD backlight can t lit Is there a power supply inside the meter Maybe there is a fault in the inside circuit C...

Page 12: ...ibutor Email mail sep europe nl www sep europe nl Maybe there is a fault in the inside circuit Contact a qualified technician When necessary replace the meter Pulse output rate wrong Maybe there is a fault in the inside circuit Contact a qualified technician When necessary replace the meter S E P Europe Weverstraat 4 9403 VJ Assen Netherlands Tel 31 0 88 54 60735 ...

Reviews: