Factory Cheap Residential Energy Meter - 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

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