Demand Controller | Controller

Demand Controllers

Variant in Controller: Demand Controller

Demand Controller manufactured by Powertrac Meters Pvt Ltd is designed for greater accuracy and high speed. The Demand Controller is used to control the demand of a system. The application is use to secure the system at overload conditions and also helps in saving the MD penalties. Special Features.

Standard Features:
  • Programmable Load Setting.
  • Programmable CT/PT Ratio.
  • Password Protected.
  • Alarms & Control.
  • Dual Relay Outputs.
  • Meter Reset Option.
  • Bright Three Line FND Display
Feature Value
Electrical Characterstics
Type of measurement True RMS at 50 Hz
Current and voltage Class - 1.0
Active Power Class - 1.0 / Class - 0.5 accuracy
Reactive Power Class - 2.0 / Class - 1.0 accuracy
Apparent Power Class - 1.0 / Class - 0.5 accuracy
Frequency Class - 0.2 / Class - 0.1 accuracy
Power factor Class - 1.0
Active Energy Class - 1.0 / Class - 0.5 accuracy
Reactive Energy Class - 2.0 / Class - 1.0 accuracy
Apparent Energy Class - 1.0 / Class - 0.5 accuracy
Demand Energy 30 Min. Integration period
* Additional error for meter input current below 100 mA
Data update rate 1 sec
Input Voltage V1, V2, V3, Vn
Measured voltage 80 - 480 V AC L-L without PTs Upto 999 kV with external Pts
Permissible overload 1.10 Un (480 V L-L)
Burden As per IS
Frequency Range 50Hz ± 5%
Primary CT 1 A - 99.0 kA
Secondary CT 1 A - 5 A
Measurement range 40 mA - 6 A
Permissible overload 6 A continuous
AC Power Supply 100 - 277 V AC at 50 Hz
DC Power Supply 100 - 277 V DC
Mechanical Characterstics
Weight 0.500kg to 0.250kg (Shipping)
IP degree of protection Front: IP 51; Back: IP 40
Dimensions Bezel: 96 x 96 mm
Depth: 65 mm behind bezel
Panel cutout: 92 x 92 mm
ENVIRONMENTAL CONDITIONS
Operating temperature 4°C to 60°C
Storage temperature 4°C to 70°C
Humidity rating 5 to 60 % RH non-condensing
COMMUNICATION
RS-485 port 2 terminals only
Baud rate : 9600bps
Protocols: Modbus
ELECTROMAGNETIC COMPATIBILITY
Electrostatic discharge IEC 61000-4-2
Immunity to electromagnetic RF Field IEC 61000-4-3
Immunity to surge waves IEC 61000-4-5
Impulse voltage with stand apability 6kV for 1.2/50 μS per IS : 13779
DISPLAY CHARACTERISTICS
Integrated LED display View 3 parameters together on 3 line, 4 digits per line display. Auto-scaling capability for Kilo, Mega values User-selectable default display page. Password protection for setup parameters.

Note: Technical Specifications and illustrations are subject to change arising out of continuous Product Development.

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