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The CA168-SD51 is a next-generation split compact DIN rail meter with Class 1 accuracy and STS compliance, engineered for precise energy measurement in commercial and residential settings. It supports robust anti-tamper detection features for enhanced security, flexible communication with external keypads (Customer Interface Unit, CIU) via PLC, RF, or cable, and configurable installation requirements to suit diverse deployment needs.
Brand:Calin
Spu:CA168-SD51
Main Features
Dual Relay on request
Multi-Tariff
DLMS/COSEM
STS prepayment
20 digits STS encryption
35mm Din-rail installation
Ultrasonic seal on request
Slim-line and space-economy design
Disconnect on overload and no credit
Programmable load limit and low credit warning
Infrared port/RS485/virtual token carrier (optional
Surge protection for lightening and other line surges
Tamper detection and record
Split Configuration for Increased Revenue Protection
The CIU (Customer Interface Unit) is optional. The MCU (Metering& Control Unit) and CIU is linked via Mbus 2 wire communication, galvanically-isolated PLC or RF wireless communication,
the communication method is on request.
The CIU is installed within consumer’s home, while MCU is installed in a meter cabinet away from consumers.
Electrical parameters: | ||
Voltage | ||
Nominal voltage Un | 220V/230V/240V | |
Limited voltage | 50%~130%Un | |
Frequency | ||
Nominal frequency fn | 50-60Hz | |
tolerance | 5% | |
Current | ||
Basic current(Ib) | 5A | |
Maximum current(Imax) | 60A/80A | |
Starting current(Ist) | 4‰Ib | |
Active energy constant | 1000imp/kWh | |
Measurement Accuracy | ||
Active energy to IEC62053‐21 | Class1.0 | |
Burden | ||
Voltage circuit | <2W <8VA | |
Current circuit | <1VA | |
Temperature range | ||
Operation meter | -25℃ to+70℃ | |
Storage | -40℃ to+85℃ | |
Insulation | ||
Insulation level | 4kV rms 1min | |
Voltage impulse withstand | 8kV 1.2/50 μs | |
Insulation System Classification | Protective Class II | |
Electro Magnetic Compatibility | ||
Electrostatic discharges | ||
Contact discharge | 8kV | |
Air discharge | 16kV | |
Electromagnetic RF fields | ||
27MHz to 500MHz typical | 10V/m | |
100kHz to 1GHz typical | 30V/m | |
Fast transient burst test | 4kV | |
Mechanical requirements | ||
Meter shell Protection Rate | IP54 | |
Insulation System Classification | Protective Class II | |
Maximum cable size | 8 mm | |
Meter Dimension | 147.6*60*88mm |
Carton Dimension | 545*344*200mm |
Qty/Carton | 15pcs |
Weight/Carton | 13.2kg |
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