SPM20-D DC Multi-Channel Energy Meter

SPM20-D is specially design for telecommunication base station application to calculating power consumption, measuring DC device electricity.It is the smallest DC multi-channel Energy Meter with compact design,consists of main module and measure module.

。Small Size - Can be install at the closest point, integrate in existing space
。Easy Installation - Consist of main module and measur module, connected by PLbus Daisy chain bus topology and RJ12 port,measure module straight insert into the circuit breaker
。High Accuracy - Voltage & Current class 0.5, kWh class 1.0
。- 48VDC Power Supply - Special design for Telecom BTS application
。Wide Measurement Range - Max. support 63A direct connect, no need for extra Hall Sensor or Shunt
。Multi Circuit - Support 12 single phase circuit


  • Measure -- Voltage, Current, Power, Energy (input / output / total)
  • Alarm - Voltage limit alarm (high limit/ low limit), Current limit alarm (high limit),  Communication failure alarm
  • Communication - Modbus-RTU protocol, RS485 port

Technical Specification

Typical Connection

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