Chinese Professional PV Module Installation - DIN-Rail Smart Single Phase Prepaid Meter LY-SM120 – linyang

Key Specifications

Electrical Parameter
● Connection Type: 1P2W
● Nominal Voltage: 220/380V, 230/400V, 240/415V (±30%)
● Nominal Current: 5A, 10A
● Frequency: 50/60 Hz ± 1%
● Dimension: 140 x 90 x 60 LWH (mm)

Communication
● Local Communication: Optical Port, RS485
● CIU Communication: PLC/RF/M-BUS
● Remote Communication: PLC/RF

Key Functions
● Tariffs: 4
● Anti-Tampering: Magnetic Field, Meter/Terminal Cover open, Reverse Energy, Bypass, Missing Neutral
● Billing Periods: 12 months
● Credit Management
● Event Log
● Load Control: Tamper, Time Scheduled, Power Thresholds, Over/Under Voltage (Configurable)
● Load Profile
● Measuring Values: kWh, kvah
● Instantaneous Parameters: kW, kvar V, I, kva, F, PF
● Top-up mode: Energy/Currency via Keypad or online

Key Features

● Configured in Prepaid or Postpaid mode
● Dual-disconnect Relay as optional
● Neutral relay
● Bi-directional measurement
● 4-quadrant measurement
● Neutral measurement
● Real Time Clock
● TOU
● Remote Upgrade
● Local Communication: Optical Port, RS485
● Remote Communication: PLC/RF
● Anti-Tampering: Magnetic Field, Meter/Terminal Cover open, Reverse Energy, Bypass, Missing Neutral

TOU

NEUTRAL MEASUREMENT

DUAL DISCONNECT RELAY

HRERMETRICALLY OR ULTRASONIC SEALING

LOAD CONTROL

STS COMPLIANT

POSTPAID/PREPAID

ANTI-TAMPER

INTEROPERABILITY

Protocol & Standards

● IEC 62052-11
● IEC 62053-21/23
● IEC 62056-21/46/47(DLMS)
● IEC 62055-31 etc
● EN 50470-3

Certificates

● IEC
● DLMS
● IDIS
● STS
● MID
● SABS
● G3-PLC
● SGS