TECHNICAL DATA
13
NVA100X-D - Manual - 02 - 2016
3 TECHNICAL DATA
3.1 GENERAL
Measuring relays and protection equipment
Reference standards IEC 60255-1
Part 1: Common requirements
Mechanical data
Mounting:
Flush.
Rack.
External dimensions (Flush mounting) 177 x 252 x 245 (high x width x depth)
Terminals screw connections
Mass (Flush mounting) 4.5 kg
Reference standards EN 60529, EN 60529/A1
Protection degree
Front IP52
• Terminals IP20
Insulation test
Reference standards EN 60255-5, IEC 60255-27
High voltage test (50 Hz 60 s)
Auxiliary power supply 2 kV
Input circuits 2 kV
Output circuits 2 kV
Output circuits (between open contacts) 1 kV
RS232/RS485 communication interfaces 500 V
Impulse voltage withstand test (1.2/50 μs):
Auxiliary power supply 5 kV
Input circuits 5 kV
Output circuits 5 kV
Output circuits (between open contacts) 1 kV
Insulation resistance >100 MΩ
Voltage dip and interruption
Reference standards EN 61000-4-29, IEC 60255-22-11
Voltage dips, short interruptions and voltage variations on dc input power port immunity tests
Interruption (UT=40%) 100 ms
Interruption (UT=0%) 50 ms
Voltage variations (UT=80...120%) 10 s
EMC tests for interference immunity
Reference standards IEC 60255-26, EN 60255-26
Electromagnetic compatibility requirements for measuring relays and protection equipment
Electromagnetic compatibility (EMC) - Generic standards EN 61000-6-2
Apparati di automazione e controllo per centrali e stazioni elettriche (ENEL utility standard)
Compatibilità elettromagnetica - Immunità ENEL REMC 02
• Normativa di compatibilità elettromeccanica per apparati e sistemi ENEL REMC 01
Reference standards EN 60255-22-1 IEC 60255-22-1
EN 61000-4-12 EN 61000-4-12
Damped oscillatory wave
0.1 MHz and 1 MHz common mode 2.5 kV
0.1 MHz and 1 MHz differential mode 1.0 kV
Ring wave common mode 2.0 kV
Ring wave differential mode 1.0 kV
Reference standards EN 60255-22-2 IEC 60255-22-2
EN 61000-4-2 IEC 61000-4-2
Electrostatic discharge
Contact discharge 6 kV
Air discharge 8 kV
Reference standards EN 60255-22-3 IEC 60255-22-3
EN 61000-4-3 IEC 61000-4-3
Radiated radio-frequency fi elds
80...1000 MHz AM 80% 10 V/m
900 MHz Pulse modulated 10 V/m
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