Integra 520

Measurements of fundamental electrical parameters, integrating high accuracy measurement technology with the simplicity and visibility of a single display system. Got Questions, want to place an order? Call us.

The Crompton Integra 520 Panel Meter

Distribution pillars, Feeder panels & switchboards,

Low voltage switchgear

Process control and monitoring, Motor control centers

Energy monitoring, Maximum Demand measurements. Prices Integra 520

Technical Details

Benefits

Totally new look MDI, 10 measurements in one unit, Programmable C.T. ratios

Programmable time period, Readable in bright sunlight, Replaces 3 combined MDI &

1 Voltmeter Simple to use, Measures down to 2.5% of nominal input, High overload capability

Features

High contrast LCD, Large characters, Standard 96 x 96mm DIN case

Self powered or Auxiliary powered, Average sensing, Password protected

Reset can be disabled, Two button operation, Designed to meet world-wide standard

approvals for safety and performance, EMC and LVD.

Input Specification

System: Three phase - three wire, Model 244-523. Three phase - four wire, Model 244-524

Voltage: 100-120V L-L,190-240V L-L, 380-480V L-L

Current: 5 amps (Standard) or 1 amp (Optional) Maximum C.T. ratio 8000:5A or 8000:1A

Measuring Range: Current 2.5 - 120% Current Demand 2.5 - 120% Voltage (Auxiliary Powered)

2.5 - 120% Voltage (Self Powered) 75 - 125% of 115, 230 or 460V

Frequency: 45 to 66Hz

Demand Integration Period: 8, 15, 30 & 60 minutes

Burden:

Voltage: Each line 0.2VA approx.

Current: Each phase 0.6VA approx.

Overload Capability:

Continuous: 120% of nominal (600V Max)

Short Duration: 2 x nominal for one second

Repeated 10 times at 10 second intervals.

Current:

Continuous: 120% of nominal

Short Duration: 20 x nominal/1second Repeated 5 times at 5 minute intervals

10 x nominal for 3 seconds Repeated 5 times at 5 minute intervals 5 x nominal

for 5seconds Repeated 5 times at 5 minute intervals

Auxiliary Supply

A.C. voltage: 100 - 120V 190 - 240V 380 - 480V -10% of lower nominal +20% of upper nominal

Burden 3VA approx.

Enclosure: Size: 96 x 96 mm DIN Material: Flame retardant to UL94V-0/V-2

Terminals: M3.5 captive screw & clamp

Accuracy Class

Voltage: +1.5% of nominal

Current: +1.5% of nominal

Current Demand: 3% of nominal

Climatic

Temperature: Operating -10 to +70°C Storage -20 to +80°C Calibration 23°C

Temp Coeff: ±0.013%/°C (typical)

Humidity: 95% RH non condensing

Isolation: 2.2kV RMS 50Hz for 1 minute

Surge Voltage

Test: IEC 801-5 High Frequency Disturbance: 4.2kV peak IEC 255

Display High contrast LCD & Annunciation Characters 10.5mm high 3 lines of data,

4 digits per line 4 digit resolution with a floating decimal point for each value

All parameters available via single button operation cascading through 4 screens

Comprehensive set-up facility via two buttons Update time 7.5 seconds approx. for

A & V, 1/8 of demand integration time for current demand.