SEM-3 - RS485 Modbus Electricity Meter - Three Phase

SEM-3 - RS485 Modbus Electricity Meter - Three Phase
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Our Price:  £102.00(£122.40 Inc. VAT)
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4 in stock, immediate despatch

The SEM-3 is a three phase Electricity Meter communicating over RS485 with the Modbus RTU protocol. The SEM-3 can measure current from 80A to 250A with the appropriate additional current sensor and can provide up to 12 power related parameters such as Active and Reactive power, Current, Power factor, frequency etc.

Current Transducers available separately - see "Related Products" section.


Special Offer:  Discounts of 7%, 10%, 12.5% and 15% are available when you order 10, 25, 50 and 100 items or more of this product.

  • Input voltage: 110 - 264 Vac
  • Frequency:  47 - 63 Hz
  • Measured Parameters;
    • Active power
    • Reactive power
    • Apparent power
    • Power factor
    • Cos φ
    • Frequency
    • Active energy
    • Inductive reactive energy
    • Capacitive reactive energy
    • Maximum demand
    • Apparent energy
  • RS-485 three wires
  • Modbus RTU protocol
  • Baud rate  9600 / 19200 / 38400 / 57600 / 115200 bps configurable
  • Data bits  8
  • Parity  Without parity / Even configurable
  • Stop bits  1 / 2 configurable
  • Security  CAT III 300 V under EN 61010
  • Protection class  Class II
  • External current transformers Series TRC and TRA (In / 0,250 A)
  • Unit dimensions (Width x Height x Length):  18 x 70 x 109 mm
  • DIN rail mount
  • Temperature range  -10 to +60ºC
  • Humidity range  5  to95%

 


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