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SME2-IS - Manual - 06- 2021
TECHNICAL CHARACTERISTICS
3 TECHNICAL CHARACTERISTICS3 TECHNICAL CHARACTERISTICS
3.1 GENERAL INFORMATION
Protection and measuring relay
Reference standards IEC 60255-1 Part 1: Common requisites
Mechanical characteristics
Mounting protruding
Dimensions (H x W x D) 210 x 200 x 72
Terminals screw clamps
Weight 1.7 kg
Isolation tests
Standards EN 60255-5, IEC 60255-27
Test at 50 Hz (1 min):
• Auxiliary circuit 2 kV
• Input circuits 2 kV
• Output circuits 2 kV
• Output circuits (between open contacts) 1 kV
• Ethernet copper (Tx) 1 kV
Pulse test (1.2/50 µs):
• Auxiliary power circuit 5 kV (common mode) - 2 kV (differential mode)
• Input circuits 5 kV (common mode) - 2 kV (differential mode)
• Output circuits 5 kV (common mode) - 2 kV (differential mode)
• Output circuits (between open contacts) 2 kV
Isolation resistance >100 MW
Immunity to voltage dips
Reference standards EN 61000-4-29, IEC 61000-4-11
Immunity to voltage dips, brief interruptions and voltage variations on DC power ports
• Voltage dip duration with UT=50% 100 ms
• Short interruption duration with UT=0% 50 ms
• Voltage variation duration with Un=80...120% 10 s
Electromagnetic compatibility (EMC)
Reference standards EN 60255-26, IEC 60255-26
Electromagnetic compatibility requisites for measuring relays and protection equipment
General immunity standard EN 61000-6-2
Automation and control equipment for electrical power stations and substations
• Electromagnetic compatibility - Immunity ENEL REMC 02
• Electromechanical compatibility regulations for equipment and systems
ENEL REMC 01
Reference standards EN 60255-22-1, IEC 60255-22-1
EN 61000-4-18 IEC 61000-4-18
Damped oscillatory wave
• 0.1 MHz and 1 MHz common mode 1.0 kV
• 0.1 MHz and 1 MHz differential mode 0.5 kV
Reference standards EN 60255-22-1, IEC 60255-22-1
EN 61000-4-12 IEC 61000-4-12
Ring Wave
• 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 electromagnetic fields
• 80...2700 MHz AM 80% 10 V/m
• 900 MHz pulse modulated 10 V/m
Reference standards EN 60255-22-4 IEC 60255-22-4
EN 61000-4-4 IEC 61000-4-4
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