Smart Meter AC1, Din Mount

A high-accuracy meter suitable for residential, commercial and industrial billing purposes.

  • Works exclusively with the Enistic BBSP-CF range of current clamps
  • Manufactured to comply with IEC standards
  • Single phase or three phase operation
  • Up to 1800A maximum current
  • Measures active, reactive and apparent energy as well as power factor
  • Low power operation
Order Codes: BBSP-SUB3-AC1

The Enistic Smart Meter SUB3-AC1 is a high-accuracy energy meter suitable for office and industrial energy metering applications.

The meter can be used in single or three phase modes. Wireless communications, DIN mount fitting and external current clamps make for simple installation. A push-button display on the front of the meter allows for selective display of energy, power, voltages and currents in each of the phases.

Application & Features

  • Metering of single phase or three phase circuits
  • Billing and bill apportionment
  • Metering residential, office and industrial energy use
  • Analysis of power factor quality
  • Metering the energy use of a large plant
  • High-accuracy design
  • Available in 300A (3 x 100A) or 1800A (3 x 600A) configurations
  • Measures each phase: apparent energy, power, active energy, reactive energy, voltages, currents, phase angles and power factor


Measurements and Metrology
  • Energy: Apparent (sum), active phases 1/2/3, reactive phases 1/2/3 and apparent phases 1/2/3 in kWh
  • Power: Instantaneous power use (sum), VA phases 1/2/3 in kW
  • General metrology: power factor, phase angle, frequency and temperature
  • Accuracy class: Class 1 
  • Maximum current: Dependant on clamp used
  • Compatible Clamps: BBSP-CF Clamp Range
  • Nominal reporting interval (kWh): 10 seconds
  • Nominal reporting interval (other): 180 seconds
Wireless Communications
  • Standard: 802.15.4 / Zigbee Pro
  • Does not interfere with WiFi networks
  • Frequency: 2.4 GHz
  • Maximum range between mesh nodes: 32m
  • Maximum nodes per network: >1,000,000
  • Encryption: 128 bit AES
Extra Features
  • LCD and push-button to show measured values
  • Wide voltage supply range of 110-240VAC
  • Wireless operation
  • Encrypted communications for secure operation
  • Mesh networking for excellent range
  • Measures temperature and frequency
  • Size (l x w x h): 86 x 70 x 58 mm
  • Fitting: DIN rail mount
  • Weight: 100g (meter) plus 3 x 98g (100A clamps) or 3 x 650g (600A clamps)
  • Also measures temperature and frequency
  • LCD and push-button to show measured values
  • Storage (min to max): -20 to 50°C, 0 to 60% relative humidity
  • Operation (min to max): 0 to 75°C, 0 to 60% relative humidity
  • Power supply: 110-240 VAC, 50-60 Hz
  • Power consumption (typical / max): 0.1/0.1 W
Miscellaneous and Standards
  • Standards: CE, EMF, LVD, WEE, ROHS
  • Manufactured to comply with: IEC 60687/61036/61268 and IEC 62053- 21/62053-22/62053-23
  • Country of design and manufacture: UK
  • Packaging: cardboard box