Key Specifications
Electrical Parameter
● Connection Type: 3P4W
● Nominal Voltage: 3x220/380V, 3x230/400V, 3x240/415V (-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
![sm 300 dc (1)-1](/uploads/c9b4d22e.jpg)
![sm 300 dc (2)-2](/uploads/e33d32a0.jpg)
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)
![11-02](/uploads/ae57c282.png)
TOU
![150-02](/uploads/d7cce787.png)
AMI
![150-06](/uploads/1f47e42d.png)
LOAD CONTROL
![11-04](/uploads/ee708546.png)
NEUTRAL MEASUREMENT
![150-03](/uploads/63307905.png)
ANTI-TAMPER
![150-08](/uploads/f3183532.png)
MODULAR COMMUNICATION
![sm1002](/uploads/b3c32e19.png)
MULTI-UTILITY METERING
![sm1001](/uploads/3b77ae81.png)
REMOTE UPGRADE
Protocol & Standards
● IEC 62052-11
● IEC 62053-21/23
● IEC 62056 etc
Certificates
● IEC
● DLMS
● MID
● G3-PLC
● CNAS
![sm 300 DC -22](/uploads/0e8d781a.jpg)
![12-03](/uploads/6d5fe1c0.png)
![D9](/uploads/1cff0c81.png)
![300-6](/uploads/126f1a01.png)
![300-7](/uploads/92622fa7.png)
![11-06](/uploads/6e4e9767.png)