Product photograph of the AE340 for CT/VT connection, supplied by Archai. The ratings on this page come from the Rev1.0 draft manual; markings in the photograph are not a source for ratings or approvals, and the nameplate of the delivered meter is authoritative.
Three-Phase Smart Meter, CT/VT Connection
The AE340 A Series for CT/VT connection is a three-phase four-wire smart meter for indirect connection through current and voltage transformers, in the new AetherEdge™ enclosure, with class 0.2S active energy measurement. A plug-in 3G cellular module provides remote communication with the head-end system over DLMS/COSEM. The values on this page come from the Rev1.0 user manual, a draft for approval.
Source: AE340 A Series CT/VT-connection user manual, Rev1.0 draft for approval (4 November 2026). The values are draft design information, not test or certification results; values under review are not published.
Key features
- Indirect three-phase four-wire connection through current and voltage transformers.
- Active energy measurement to class 0.2S (IEC 62053-22); four-quadrant measurement of active and reactive energy.
- Plug-in 3G cellular module (GSM/GPRS 2G and UMTS/HSPA 3G) for remote communication over DLMS/COSEM, with encrypted communication data.
- Measurement of grid parameters such as real-time power, voltage, current and power factor.
- Local and remote software upgrade; optical port with direct HDLC or IEC 62056-21 mode E.
Meter functions
Measurement
- Active energy import and export in kWh and reactive energy in all four quadrants; average voltage, current and power values.
Demand
- Current, average and maximum demand with a demand period of 60, 300, 900, 1800 or 3600 s; maximum-demand reset.
Instantaneous values
- Instantaneous values such as voltage, current, power and power factor.
Time of use and clock
- Time-of-use tariff management; quartz-crystal real-time clock with Gregorian calendar, kept running by the battery during a power failure.
Display and LEDs
- 9-digit LCD with auto, manual and power-down display modes; LED indications.
Billing and load profiles
- Billing period closed on any selected date; billing registers cannot be reset to zero; billing profiles and load profiles stored in the meter.
Events and alarms
- Self-diagnostic event log with time stamps; recorded signals (alarms); all meter actions are logged and can be read locally or remotely.
Security
- Encryption of communication data and DLMS/COSEM security set-up.
Firmware upgrade
- Local upgrade over the optical (IR) port and remote upgrade over the communication module.
Communication
- Optical port with direct HDLC or IEC 62056-21 mode E; slot for a plug-and-play cellular module.
Backup power and memory
- Lithium cell for the clock, cover-opening recording and display while the mains supply is off; low-battery alarm; terminals for an auxiliary AC power supply; basic parameters stored in non-volatile memory with date and time stamps.
Electrical immunity (draft design values)
- Electrostatic discharge
- Contact 8 kV · air 15 kV
- HF electromagnetic field
- 80 MHz to 2 GHz, 10 V/m with load · 30 V/m without load
- Fast transient burst
- 4 kV
- Radio interference
- CISPR 22, class B equipment
- Impulse voltage
- 6 kV
- Current impulse
- At least 5 kA, 8/20 µs
- AC voltage
- Main circuit 4 kV · auxiliary contact 2 kV
- Pollution degree
- III
Standards referenced
These standards are referenced in the Rev1.0 draft manual. They are not certification claims or test results. Contact Archai for applicable approvals for your configuration.
- IEC 62053-22 — Static meters for active energy (classes 0.1S, 0.2S and 0.5S).
- IEC 62053-24 — Static meters for fundamental component reactive energy.
- IEC 62052-11 — Metering equipment: general requirements, tests and test conditions.
- IEC 61010-1 — Safety requirements for electrical equipment for measurement, control and laboratory use.
- EN 50065-1 — Signalling on low-voltage electrical installations, 3 kHz to 148.5 kHz.
- IEC 62056 series, DLMS UA 1000-1 and DLMS UA 1000-2 — DLMS/COSEM data exchange, OBIS and interface classes.
- IEEE 802.15.4-2020 — Low-rate wireless networks.
Dimensions
Product downloads
The Rev1.0 user manual is a draft for approval, available in English, Korean, Spanish, German, French, Russian and Arabic. The translations are AI translations of the English draft; native review is pending.
- Request · User Manual (Rev1.0 draft)English · Available by application · Rev1.0 draft
Draft for approval
