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Vue Gen3 Specifications

Model EMV3-A. Every figure below is from Emporia's published technical documentation.

Electrical system support

Supported systems Single-phase 2-wire (up to 240 V) · single-split-phase 3-wire (up to 240/480 V LN/LL) · 3-phase 4-wire “Y” with earthed (TN or TT) neutral, up to 240/415 V LN/LL
Not supported Delta · 3-wire systems without a distributed neutral
Maximum per phase 200 A (~144 kVA at 415 V)
Maximum voltage sense 264 VAC L-N per channel
Voltage channels 3
Frequency 50 / 60 Hz

Measurement

Accuracy ±2%
Current channels 3 × 200 A mains · up to 16 × 50 A branch
Measurement category 200 A ports: CAT IV · 50 A ports: CAT III
Live data interval 1 second

Current sensors

Main — 200 A Branch — 50 A
Maximum current 200 A 50 A
Internal aperture 22 mm 10 mm
Body size 51 × 70 × 40 mm 29 × 48 × 27 mm
Output 0.333 V 0.333 V
Lead ~1 m (40″), easily shortened ~1 m (40″), easily shortened
Terminal 5 mm screw plug, ports A/B/C 3.8 mm screw plug, ports 1–16

Monitor, power and network

Dimensions 145 × 70 × 28 mm
Mounting 35 mm DIN rail (2 × M3 screws, not supplied) or surface
Power consumption Under 3 W
Wi-Fi 2.4 GHz, IEEE 802.11 b/g/n — 5 GHz not supported
Ethernet 10/100Base-T, IEEE 802.3, RJ45 — cable not supplied

Environmental and certification

Operating temperature −40 °C to 50 °C
Humidity / altitude 0–80% RH · up to 3,000 m
Location Indoor, dry
Certifications Safety: UL 61010, UL 2808 (E535044) · EMC: FCC, ISED, CE, PSE, UKCA
BIS Not BIS certified. Not an approved billing instrument under any Indian utility or government scheme — it is a monitoring device and does not replace your utility meter.
Warranty 1 year, handled in Kolkata
Subscription None. The Emporia app is free permanently.

Data retention

1-second About 3 hours (CSV export only)
1-minute 7 days
15-minute 1 year
Hourly and above Long term

An internet connection is required — data is processed in Emporia's cloud. Outbound ports 80, 123, 443 and 8883 must be open.

Limits worth reading twice

  • Delta supplies are not supported.
  • 200 A per phase is a hard ceiling — an over-range sensor understates rather than reads high.
  • The 22 mm aperture must clear your service conductor including insulation. Measure at survey.
  • 5 GHz-only Wi-Fi will not work.
  • No internet, no data — there is no local-only mode.

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