ARM9511-M DIN Rail Relay Control Energy Meter

ARM9511-M / ARM9513-M are DIN Rail Relay Control Energy Meter can accurately and directly measure energy consumption and billing. The meters have Relay function, support to control the switch (on/off) remotely. It can Max. support Max. 80A direct input. With Modbus-RTU protocol and RS485 port, the meter also supports connect into 3rd party system.


Product Description


  • Suit for 120V, 220V, 230V, 240VAC Power System
  • 7+1 digits LCD display (9999999.9kWh)
  • High accuracy: Class 0.5s for 5A via CT, Class 1.0 for 80A direct input
  • 3 keys for programming, 35mm DIN Rail installation, standard DIN ED5002
  • 1 LED indicates pules output, standard DIN 43864
  • Support reading and inquiry data when power off
  • Standard: IEC62053-21/22


  • Measure – U, I, P, Q, S, PF, F, kWh, kvarh, multi-tariff energy (kWh, kvarh)
  • Relay Control – for remote control circuit switch on/off
  • TOU (Multi-tariff) – 4 tariffs and 8 time periods in 24 hours Historical Record – kWh, kvarh, Max. P for last 31 days (Per 15min) and last 12 months data; last 200 alarms and last 20 times power off Alarm — temper alarm, switch on/off alarm, over-voltage alarm, under-voltage alarm, reversed connection alarm etc.
  • Communication – one RS485 port, MODBUS-RTU Protocol

Technical Specifications

Accuracy Class 0.5s: 5 (6) A

Class 1.0: 10 (80)A

Rated Current ARM9511-M/ARM9513-M: Class 1.0: 10 (80)A

ARM9513-M: 5(6)A via CT

Rated Voltage (Optional) ARM9511-M: 120V, 220V, 240V

ARM9511-M: 120/208V, 220380V, 240/415V

Power Supply Self Supply (Note: for ARM9513-M, RS485 won’t work if only connect 1 phase voltage)

Overload: 1.2 times

Relay Control Support control circuit switch on/off

For ARM9511-M: Build-in relay module

For ARM9513-M (80A): Build-in Relay module

For ARM9513-M (5A): Need to add AC contactor

Need to add AC Contactor and Relay Switch

Pulse Output 1 Channel (Settable for kWh or kvarh)

constant: 1600imp/kWh/kvarh

Wet contact, power supply range: 5~30VDC

Frequency 50/60Hz
Power Consumption <2W/10VA each phase
Wire Diameters 7mm*7mm (16mm2)
Starting Current 0.4% lb
Communication RS485 port, MODBUS-RTU

Baud rate: 2400、4800、9600

Address: 1~247

Insulation Withstand voltage: 2kV, Impulse voltage:6kV
Historical Record kWh, kvarh, Max. P for last 31 days (Per 15min.) and last 12 months data

last 200 alarms records

last 20 times power off

Alarm Temper alarm

Switch on/off alarm

Over-voltage alarm

Under-voltage alarm

Reversed connection alarm

EMC Standard Electrostatic discharge immunity test IEC61000-4-2, Level 4

Radiated immunity test IEC61000-4-3, Level 3

Electrical fast transient/burst immunity test IEC61000-4-4, Level 4

Surge immunity test (1, 2/50μs ~ 8/20 μs) IEC61000-4-5, Level 4

Conducted emission EN55022, Class B

Radiated emission EN55022, Class B

Environment Operating temperature: -20°C ~ +55°C

Storage temperature: -40°C ~ +70°C

Humidity: 5% ~ 95% non-condensing