Manufacturer of meter cover open detecting - Smart Three Phase Indirect Meter (CTVT Operated) LY-SM300-CTVT – linyang

Key Specifications

Electrical Parameter
● Connection Type: 3P3W, 3P4W
● Nominal Voltage: 3×57.7/100V…3×240/415V, 3×57.7/100V…3×69/120V
● Nominal Current: 5A, 10A
● Frequency: 50/60 Hz ± 1%
● Dimension: 270 x 170 x 81.5 LWH (mm)

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

Key Functions
● Tariffs: 4
● Anti-Tampering: Magnetic Field, Meter/Terminal Cover open, Reverse Energy, Missing Phase or/and Neutral
● Billing Periods: 12 months
● Event Log
● Load Control: Tamper, Time Scheduled, Power Thresholds, Over/Under Voltage (Configurable)
● Load Profile
● Measuring Values: kWh, kvah, F, PF
● Instantaneous Parameters: kW, kvar V, I, kva
● Power Quality: Over/Under current, Over/Under voltage, Unbalance Current, THD, Sag & Swell

Key Features

● High accuracy measurement
● Neutral measurement
● 4-quadrant measurement
● Internal or replaceable battery as optional
● Power quality management
● Demand monitoring
● Remote upgrade
● THD
● Local Communication: Optical Port, RS485
● Remote Communication: GPRS/3G/4G/PLC/RF/NB-IoT
● Anti-Tampering: Magnetic Field, Meter/Terminal Cover open, Reverse Energy, Missing Phase or/and Neutral

REMOTE UPGRADE

HIGH ACCURACY MEASUREMENT

HARMONICS (V&I), THD

AMI

LOAD CONTROL

PQ MONITORING

ANTI-TAMPER

MODULAR COMMUNICATION

Protocol & Standards

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

Certificates

● IEC
● DLMS
● CNAS
● G3-PLC
● MID