Smart Keypad Prepayment Meter Three Phase:HXE330

HXE330 is a new generation of three phase smart keypad prepayment meter which migrating CTS with AMI functions. It provides local and remote credit charging. The meter is supported by Hexing’s sophisticated vending system software.


  • Class1.0 accuracy 
  • Three element four quadrant
  • Import & Export kWh 
  • Import & Export kvarh 
  • Record active energy in tariffs · Unidirectional Measurement

  • Power, Voltage, Current 
  • Power Factor, Frequency 
  • Phase Angles 

  • Under & Over voltage  
  • Power down 
  • Voltage & Current unbalance 
  • Phase sequence & Current reverse 

  • Block / Slide mode 
  • Period Interval configurable (typically 5, 10,  15, 30 or 60 minutes) 
  • Maximum value with time stamp 

  • 20 digit encryption token 
  • CTS standard in Bangladesh  
  • Open relay automatically if credit run out
  • LED and Buzzer warning when Low credit 
  • Emergency Credit  
  • Friendly mode 
  • Local and remote charge 
  • Prepaid and Post-paid switch

  • Power grid events 
  • Relay control events 
  • Anti-tampering events 
  • Standard events 
  • Up to 100 event records with time stamp 

  • Large LCD display 
  • Backlight (optional) 
  • Configurable automatic & manual display list 
  • OBIS codes (according to IEC62056-61) Display readable without main power 

  • Load control according to power limit  threshold  
  • Max power limit threshold programmable
  • Up to two time periods programmable
  • Activation time of the load allocation  
  • programmable. 
  • Relay status indicator 
  • Relay malfunction indicator 

  • Main cover removal 
  • Terminal removal detection  
  • Modem cover removal detection. 
  • Reverse current  
  • By-pass detection  

  • Up to 2 Megabytes of Non-Volatile memory
  • Over 360 Days storage (2 profile,30-minutes)
  • Up to 8 profile  
  • 8 captured registers per profile  
  • Capture periods (15, 30, 60, …1440min)
  • Energy, power, voltage, current, frequency &  Etc. 
  • Maximum support 12-month billing data 
  • Maximum support 32-days billing data
  • Automatic reset 

  • Accuracy ≤ 0.5s/day (23℃)  
  • Quartz crystal time resource  
  • Gregorian calendar 
  • Remote & Local synchronization  
  • RWP (Read without Power) 
  • Exchangeable Lithium Battery 

  • Up to 4 tariffs 
  • Up to 8 day table 
  • Up to 12 week tables 
  • Up to 12 season tables 
  • Up to 100 holiday & special days tables  · Passive TOU 
  • Up to 4 step tariffs 

  • Up to 4 tariffs 
  • Up to 8 day table 
  • Up to 12 week tables 
  • Up to 12 season tables 
  • Up to 100 holiday & special days tables 
  • Passive TOU 
  • Up to 4 step tariffs 

  • 3 independent communication ports  · Simultaneous individual operation · Optical port: IEC62056-21E 
  • Optical port sealable (optional) 
  • HAN port: RS485 (RJ12 type) 
  • Firmware upgradable  
  • Modular plug-play 2G / 3G / PLC / RF  communication units 
  • Remote firmware upgrade

  • PC software / HHU 
  • Hexing’s Central System  
  • Third part system

Description Value
Accuracy Active class 1  Reactive class 2
Voltage Reference voltage  Operating voltage range3×230/400V 70%-130%Un
Current Basic current Maximum current Starting current5A 100A <0.4%Ib
Frequency 50Hz 
Temperature Operation range Limit range for storage and transport-25℃ to +55℃ -40℃ to +75℃
Humidity Up to 95% 
Power Consumption Power consumption in voltage circuit (active) Power consumption in voltage circuit (apparent) Power consumption in current circuit≤5W ≤10VA ≤2.5 VA
Insulation Strength AC voltage test Impulse voltage test4kV during 1min 1.2/50µs mains connections 6kV
EMC Electrostatic discharges(Contact discharges) Electrostatic discharges(Air discharges) Surge immunity test Fast transient burst test Electromagnetic RF fields (80MHz to 2000MHz)8kV 15kV 4kV 4kV 10V/m(with current), 30V/m(without current)
ConnectionTerminals 8.2*8.8mm
Housing Protection degree Meter cove Meter base Terminal coverIP54 Opaque PC+ fiber glass with a transparent window Opaque PC+ fiber glass Opaque PC+ fiber glass
Display Digit size Number of digits10mm x 6mm 8
Communication Interface Optical communication RS485communication A plug-and-play communication moduleDLMS/COSEM and IDIS DLMS/COSEM and IDIS DLMS/COSEM and IDIS
Weight Net weight Approx.1.71kg(without communication module) Approx.1.77kg(+GPRS communication module)