Three-wire three-phase protection wattmeter (ARON)

PGR96A .../5A

PGR96A .../5A, Vattmeter

Code: M14724.

  • U/I: 112 … 500 V …/5 A
  • Scale: 90º, P2
  • System: Three-phase 3 wire (ARON)
  • Accuracy: 1,5
  • Measurement Range (A): …/5 A
  • Measure: 110 … 500 V
  • Device: CW-TA
  • Modules: 96x96

INFORMATION

Description

Electronic instrument on the front panel (96x96) used to protect generators against overloads and inverse power. The instrument is composed of a power converter with an analogue output connected to the needle indicator with 2 relays. The unit measures and indicates the system's power constantly (measurement in 4 quadrants), sending an alarm signal when the power exceeds the set trip values. The alarm is indicated by activating the output relays. The two LEDS on the front panel can be used to view the status of output relays. The scale is exchangeable.

Applications

The instrument has two independent relays: an overload and an inverse power relay.

Overload protection
The protection has these characteristics:

  • Trip point adjustable between 0 and 100% of the scale base power
  • Hysteresis adjustable between 1 and 50% of the scale base
  • Delay adjustable between 0 and 30 s
  • Inverse power protection. With various generators connected in parallel, one can start consuming power and working as a motor, under determined situations ("motorization"). The relay is activated when the circumstances are met.
  • The protection system has the following characteristics:Trip point adjustable between 0 and 20% of the scale base power
  • Relay interlocking* (latch): when the alarm condition is met, the relay is activated until the instrument's auxiliary power supply is not shut down (even when the alarm conditions disappear)
  • Fault security: the relay bypass position is the same as when the alarm is triggered. Therefore, when the auxiliary power supply is shut down, the unit sends an alarm.

* The system can be supplied with no relay interlocking (latch), on demand.

SPECIFICATIONS

AC power supply
Nominal voltage
115 / 230 / 400 Vca
Frequency
40 … 80 Hz
Consumption
2,5 VA
DC power supply
Nominal voltage
9-18 / 18-36 / 36-72 / 90-140 Vdc
Consumption
2,5 VA
Voltage measurement circuit
Input impedance
3 Ω
Current measurement circuit
Nominal current (In)
0 … 20 mAdc
Phase current measuring range
0 … 130 % In
Allowable overload
5 In permanent
Measurement accuracy
Accuracy
1,5
Environmental characteristics
Working temperature
+5 … + 55 °C
Storage temperature
-25 … +70 °C
Protection class
DIN rail: IP 52 (front), IP 00 (terminals)
Standards
Standards
BS 89, UNE-EN 60051, IEC 144, UL 94, DIN 43780, IEC 51, UNE 21318
Certifications
UL
Electrical safety, Maximum height (m)
2000
Mechanical characteristics
Weight (kg)
0,435
Size (mm) width x height x depth
96 x 96 x 77.2 (mm)

DIMENSIONS

CONNECTIONS

VIDEOS

DOWNLOADS

Dimensions
Diagram connection
Datasheet

ACCESORIES

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