Three phase smart prepaid meter

Londian LD302 three-phase smart keyboard meter works in prepaid mode, providing stable and reliable measurement function. Plug-and-play communication modules can be cellular, PLC, RF, or other wired/wireless modules. Widely used in residential areas, apartments, school dormitories, residents, government agencies, industrial parks, shopping malls, public buildings and other suitable on-site environments.

 

Main Parameters

  • Voltage(Un) : rReference: 3*100V~3*240V; Operating Range: 0.7Un-1.3Un
  • Current range : 3*5(40)A, 3*5(60)A, 3*5(80)A,3* 5(100)A
  • Measurement accuracy : Active: Class 0.5S/1.0/Class B/CReactive: Class 1.0/ 2.0
  • Communication interfaces : Infrared/RS485/M-Bus(Optional)Cellular, PLC, 2.4G or SUB 1G wireless
  • Battery options : Internal lithium battery; External exchangeable battery; Super capacitor
  • Anti-tamper : Load unbalance; Covers open detection; Magnetic field detection; Neutral detection

Key Features

  • Safe and reliable prepayment mode
  • Configurable to post payment mode
  • Ultra-wide voltage range
  • Multiple Anti-tamper
  • Optional CIU/UIU 4G/3G/2G, PLC, RF or other wired/wireless
  • Delta package firmware upgrade
  • Internal/external relay control
  • Exchangeable battery DLMS conformance and IEC1107
  • Environment-friendly and humanized design

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