Manufacturer of Digital postpaid Meter - Smart Three Phase Meter LY-SM300 – linyang

Key Specifications

Electrical Parameter
● Connection Type: 3P4W
● Nominal Voltage: 3×220/380V, 3×230/400V, 3×240/415V (-20% to +15%)
● Nominal Current: 5A, 10A
● Frequency: 50/60 Hz ± 1%
● Dimension: 270 x 170 x 81.5 LWH (mm)

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

Key Functions
● Tariffs: 4
● Anti-Tampering: Magnetic Field, Meter/Terminal Cover open, Reverse Energy
● Billing Periods: 12 months
● Event Log
● Load Control: Tamper, Time Scheduled, Power Thresholds, Over/Under Voltage
● Load Profile
● Measuring Values: kWh, kvah
● Instantaneous Parameters: kW, kvar V, I, kva, F, PF
● Multi-Utility: Gas/Water/Heat
● Power Quality: Over/Under current, Over/Under voltage, Unbalance Current

Key Features

● Internal relay
● Dual-disconnect replay as optional
● Neutral line missing measurement
● Neutral measurement
● Power quality measurement
● Bi-directional measurement
● 4-quadrant measurement
● Internal or replaceable battery as optional
● Remote Upgrade
● Real Time Clock
● Plug-and-play communication module with GPRS/3G/4G/PLC/RF/NB-IoT (plug-play)

TOU

AMI

LOAD CONTROL

NEUTRAL MEASUREMENT

ANTI-TAMPER

MODULAR COMMUNICATION

MULTI-UTILITY METERING

REMOTE UPGRADE

Protocol & Standards

● IEC 62052-11
● IEC 62053-21/23
● IEC 62056 etc

Certificates

● IEC
● DLMS
● MID
● G3-PLC
● CNAS