=====================================================================  Products
 
MULTIFUNCTIONAL POWER METER KM-6300

Features : 
• Measurement of current, voltage, active, reactive and apparent power factor, line frequency,
   energy, harmonic, temperature and Maximum Demand.
• High-brightness LED display
• Extreme accuracy up to 0.25%
• Programmable adjustment for current and voltage transformers ratio
• With RS485 or RS232 output
• Neutral current can be indicated.
• Dual relay contacts for energy or alarm output
• Optional Dual current loop output. 
• Setting protected by password
• Memory of all setting value and energy data over ten years.
• Outside dimension compatible for DIN standard 144x144mm

 
Local display  Total Phase 1 Phase 2 Phase 3 Accuracy
 L-L voltage

 0.25%

 L-N voltage

 0.25%  
 Line current

 0.25%

 Neutral current
     

 1%

 Active power

 0.5%

 Reactive power

 0.5%

 Apparent power

 0.5%

 Power Factor

 0.5%

 Frequency

     
 0.05%  
 Active energy +

 0.5%

 Reactive energy +

 0.5%

 Active energy -

 0.5%

 Reactive energy -

 0.5%

 Total harmonic - 1 (1)

 2%

 Total harmonic - V (1)

 2%

(1) up to 31th harmonic *Average Value **Full scale of ranges
 

 

 Accuracy performance range


 Current range ...................................................2 ~ 120%
 Voltage range ...................................................2 ~ 120%
 Power & energy ..........current, 2~120%,voltage,2~120%
 Power factor range ..............................cos (sin q )0.5 ~ 1
 Frequency range .......................................... 45 ~ 70 HZ
 Distortion level ................................... from 10% to 120%

 

 

  Communication


 Interface ............ RS485 (standard), or RS232 (option)
 Protocol .................................. MODBUS, RTU framing
 Baud rate ....................... 1200 ~ 38400 programmable
 Address range .......................... 1 ~ 255 programmable
 Data format ................... N.8.1/N.8.2/O.8.1/E.8.1 pro.
 Number of meter ............. up to 32 on standard RS485
 
 Input voltage

 Voltage range (line to line)................................ 8 ~ 500V
 Voltage range (line to neutral) .......................... 5 ~ 290V
 Maximum overload.................................................. 750V
 Input impedance ............................................…. ³ 200K

 

 
Input Current


 Current range ................................................... 5A or 1A
 Maximum overload................ 6A, continuous, 50A 5 sec.
 15 A, continuous, 250A 1 sec. (Option)
 Input burden .......................................................... £ 1VA
 Isolation ............................................ Each phase, 600V
 Starting current .................................................. 1% F.S.

 

 
Power supply

 

 Nominal voltage ......... AC 110V/220V ± 15%, 50/60HZ or DC                                              110V, 24V ± 10%
 Burden ......................................... (AC) £ 5VA, (DC) £ 5

 

 
Display

 
 Type ........................................ High-brightness red LED
 Digital height ............................................ 0.56", 14.2mm
 Digital format ....................................... 3 rows of 4 digits
 Digits for Wh, Varh, VAh .................... 8 digits (two rows)
 

 General


 IDielectric strength .... IEC688, AC2.3KV 1minute
                                 between Input/Output/Power AC 2.
                                 8KV 1 minute between all                                  terminal/ground
 Operating temperature ................................... 0 ~ 60 o C
 Storage temperature ................................... -10 ~ 70 o C
 Temperature coefficient .......................... £ 100 PPM/ o C
 Max. humidity ........................................................ 95%
 

Electromagnetic compatibility


 Withstanding impulse voltage ................. IEC 1000-4-5
 Electrical transient in burst ...................... IEC 1000-4-4
 Electrostatic discharge ............................ IEC 1000-4-2
 Electromagnetic fields immunity ..............IEC 1000-4-3
 Wave damping ............................................. IEC 255-4

 

 
Relaycontacts output for energy or alarm
 Energy Value ................. 100 pulse for 1 KWh or 1KVarh
 Alarm set point ............................ 2 point, programmable
 Relay contacts ....................... AC 240V 1 A, DC 24V 1A

 
Demand
 Actual demand with time into period ......... A,VA,W,Var
 Time of period......................1 ~ 60 min. programmable
 Real time clock (option) .............................. HH/MM/SS
 Max. demand .......................................... A, VA, W, Var

 
Analog output
 Current loop ............................ 11 ~ 32V, DC 4 ~ 20mA
 Output resistance ............................... 600 W (24V DC)
 Output points .......................... 2 points, programmable
 Output accuracy ......................................... ± 0.5% RO.