Smart Three Phase Meter LY-SM 350Postpaid

LY-SM350 postpaid meters are advanced AMI three phase meters, with unique feature of plug-and-play communication module, creating the possibility of exchange and usage of variety of reliable wired & wireless communication interfaces, suitable for residential and small size C&I clients.

LY-SM350 postpaid series meters are accurate at measuring & monitoring load and network parameters as well as anti-tampering functions, making them ideal for revenue collection and protection solutions. They are designed fully complying with DLMS/COSEM and IDIS standards and certified with DLMS, MID, IDIS certificates to guarantee their interoperability over AMI platform.

Product Detail

Product Tags

Key Specifications

Electrical Parameter

● Connection Type: 3P4W

● Nominal Voltage: 3x220/380V, 3x230/400V, 3x240/415V (±30%)

● Nominal Current: 5A, 10A, 20A

● Frequency: 50/60 Hz ± 1%

● Dimension: 285 x 173.5 x 93.5 LWH (mm)

Communication
● Local Communication: Optical Port, RS485, M-BUS
● Remote Communication: PLC/RF/GPRS/2G/3G/4G/NB-IoT

Key Functions

● Tariffs: 4

● Anti-Tampering: Magnetic Field, Bypass, Meter/Terminal Cover open, Reverse Energy, Missing Phase or/and Neutral

● Billing Periods: 12 months

● Event Log

● Load Control: Time & Power Thresholds

● Load Profile

● Measuring Values: kWh, kvarh

● Instantaneous Parameters: kW, kvar, V, I, kva, F, PF

● Multi-Utility: Gas/Water/Heat

SM350-22
SM350-11

Key Features

● Bi-directional measurement

● 4-quadrant measurement

● Neutral measurement

● Neutral line missing measurement

● Internal Relay

● Dual-disconnect relay

● Neutral line connected relay

● Internal or replaceable battery as optional

● Power quality management

● Demand monitoring

● Remote upgrade

● Real Time Clock

● TOU

● Plug-and-play communication module with PLC/RF/GPRS/2G/3G/4G/NB-IoT

● Anti-Tampering: Magnetic Field, Bypass, Meter/Terminal Cover open, Reverse Energy, Missing Phase or/and Neutral

150-02

AMI

300-1

REMOTE UPGRADING

11-04

NEUTRAL MEASUREMENT

PQ MONITORING

PQ MONITORING

150-06

LOAD CONTROL

150-08

MODULAR COMMUNICATION

150-05

INTEROPERABILITY

150-03

ANTI-TAMPER

Protocol & Standards

● IEC 62052-11

● IEC 62053-21/23

● EN 50470-1/3

● IEC 62056

Certificates

● IEC

● DLMS

● IDIS

● MID

● PRIME

● SABS

● SGS

● G3-PLC

SM350-33
12-03
D9
300-6
3501
1221
D10
1231
300-7

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