OVERVIEW
Premier 550 is a next-generation three-phase CT/VT-connected electricity meter. IEC DLMS interoperability, extensive firmware functionality and strong data-security capabilities support utility billing, settlement and network-management processes.
DLMS + Modbus on RS-485
CT/VT-Connected
Optional Integrated 4G Modem
DLMS + Modbus on RS-485
CT/VT-Connected
Optional Integrated 4G Modem
TYPICAL APPLICATIONS
Utility Billing
Settlement Metering
MV/LV Networks
Industrial Metering
Network Management
Product Details
Premier 550 is a next-generation three-phase CT/VT-connected electricity meter designed for multi-utility applications, with firmware functionality enhanced by strong data-security features. IEC DLMS interoperability ensures compatibility with different head-end systems, while its intelligent firmware platform helps utilities optimize core business processes. Communication is built around three channels: an RS-485 port that supports DLMS/COSEM and Modbus RTU together, an RS-232 port for DLMS/COSEM, and an optional integrated 4G modem for direct remote reading. This allows the same meter to serve both a billing/AMR head-end system and a SCADA, BMS or energy-management system without additional converters.
Key Features
Class 0.5S measurement accuracy, with other accuracy-class options available
RS-485 port with DLMS/COSEM and Modbus RTU together, for parallel integration with billing/AMR and SCADA/BMS systems
Additional RS-232 port communicating via DLMS/COSEM
Optional integrated 4G modem for direct remote meter reading
IEC DLMS interoperability for compatibility with different head-end systems
Billing energy, TOU registers, load profiles and event records
Supply-quality monitoring with voltage sag, swell, unbalance and interruption records
Intelligent firmware platform with a strong focus on data security
Technical Specifications
Measurement
Accuracy classLV: Class 0.5S / Class C (MID); HV: Class 0.2S / 0.5S / Class C (MID)
Connection typeLV CT-operated 3P4W; HV CT/VT-operated 3P3W / 3P4W
Voltage rangeLV: 220–240 V (L-N) ±30%; HV: 57.7–63.5 V (L-N) or 100–120 V (L-L) ±30%
Current range1–10 A (configurable)
Frequency50 Hz ±5% or 60 Hz ±2%
Power qualityTHD and individual harmonics, sag, swell, unbalance, interruptions
Electrical
Inputs / outputs2 fixed pulse outputs + 2 configurable pulse inputs/outputs
Communication
PortsRS-485, RS-232, optical port
ProtocolsDLMS/COSEM; Modbus RTU on RS-485
Integrated modem (option)4G with 2G fallback
Data & Software
Load profiles15 months of energy and instantaneous data (4 channels, 30 min)
FirmwareRemote firmware upgrade
Mechanical & Environmental
Ingress protectionIP54 (indoor)
Operating temperature-10 °C to +55 °C
MountingWall or panel
Compliance
StandardsIEC 62052-11, IEC 62053-22, IEC 62053-24, IEC 62052-31, IEC 62059-31-1, IEC 62056, EN 50470-1/-3 (MID)
Warranty
Manufacturer warranty10 years (Secure Meters)
Downloads
Premier 550 DatasheetDatasheet · PDF · EN · 194 KB
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