Electrical Distribution

 
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Analogue Time Switches

  • General
  • Technical Table
  • Documentation

Applications
Measurement of basic electrical values as voltage, current, frequency. To avoid down-time due to abnormal situations, i.e. power-supply voltage too high, absorbed power too high, etc., leading to malfunctionning and even break-down of the machinery, the measurement and monitoring of the electrical values like voltage, current, frequency, etc. is an absolute must and even an indespensable asset when it comes to preventive maintenance.


Function
Measurement, visualisation and logging of voltage, current, frequency, hours of operation.


Features
• AC measurement devices with analogue technology and readout are available.
• The devices (one measurement only i.e. voltage, current, frequency) are only available in single phase.
• High currents can be measured through the intermediate use of a current transformer (for the analogue amp-meter combined with an interchangeable scale-plate).
• All devices have very good precision and have also a very low self-consumption to limit as much as possible the measurement error.
• Using one monophase-volt or amp-meter in a 3-phase system is possible by using the appropriate selector switch.

Standards
EN 61010-1, BS EN 60051-1-2

Readout
Polycarbonate + carbon needle
Scale selection
Interchangeable scaleplate
Own consumption current meters
0.3VA
Own consumption other meters
1.5VA
Operating temperature range
-10 ... +55oC
Test voltage
2000V at 50Hz during 1 minute
Class of precision (accuracy)
1.5
Overload current coils (1 second)
10xIn
Vibration resistance
0.35 mm at 10/55Hz on 3 axes, duration of 6 hours
Shock resistance
50g
Protection degree
IP40
Screws
Pozidriv 1
Terminal capacity: min/max
1x1 mm^2 / 1x16 mm^2 or 2x6 mm^2

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