Three-phase

CA368-WS21

Three-Phase Keypad Prepayment Energy Meter

The CA368-WS21 is a multifunctional three-phase meter with embedded communication modules.The meter is used to accurately measure electrical energy for commercial, industrial, and residential customer and is suitable for environments with unstable voltage.This meter can be used for prepayment (Comply with STS standard) and post payment applications (optional by company), The CA368-WS21 has outstanding anti-tamper feature like terminal cover open detection sensor to help utility for revenue protection. The CA368-WS21 can utilizes PLC, RF or Cable communication to CIU as an option.
Introduction

Introduction

Multi-Tariff

DLMS / COSEM

20 digit STS encryption

Tamper detection and record

Import & export measurement

LCD display, read without power

Infrared port / RS485/ RF(optional)

Disconnects on overload and no credit

Programmable power limit and low credit warning

Dual power source swap between grid supply and solar

Maximum demand measurement and load profiling (on request)

Split Configuration for Increased Revenue Protection

The meter consists of two parts, the MCU (Metering & Control Unit) and CIU (Customer Interface Unit). The MCU and CIU is linked via galvanically-isolated 2-wire communication cable or RF communication is also available on request.

The CIU is installed within consumer’s home for prepaid token input and info inquiry, while MCU is installed in a meter cabinet away from consumers.

Parameters

Electrical parameters:
Nominal voltage Un3x230/240V
Limited voltage60%~120%Un
Frequency50/60Hz+5%
Basic current(Ib)10A
Maximum current(Imax)100A
Starting current(Ist)30mA
Active energy constant1000imp/kWh
Accuracy
Active energy IEC62053‐21Class1.0
Reactive energy IEC62053‐23Class2.0
Burden
Voltage circuit<2W <8VA
Current circuit<1VA
Temperature range
Operation meter25℃ to+70℃
Storage40℃ to+85℃
Insulation strength
Insulation level4kV , 1min
Voltage Impulse withstand8kV, 1.2/50μs
Electro Magnetic Compatibility
Electrostatic discharges
Contact discharge8kV
Air discharge16kV
Electromagnetic RF fields
27MHz to 500MHz typical10V/m
100kHz to 1GHz typical30V/m
Fast transient burst test4kV
Mechanical requirements
Protection RatingIP54
Insulation ClassificationProtective Class II
Maximum cable size10 mm

Specifications

Nominal voltage
3 x 230/240V
Current
10(100)A
Active/reactive accuracy
Class 1.0 / Class 2.0
Protection
IP54

Trade information

Origin
Shenzhen, China
Brand
CALIN

Applications

  • Residential and commercial electricity metering
  • Utility revenue protection and AMI projects

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CA368-WS21 Three-Phase Keypad Prepayment Energy Meter | CALIN