1-16 Introduction and Specifications Date Code 20001006
SEL-351 Instruction Manual
Exceptions:
5.5.2(2) Performed with 200 frequency steps per octave.
5.5.3 Digital Equipment Modulation Test not performed.
5.5.4 Test signal turned off between frequency steps to simulate
keying.
IEC 801-4: 1988 Electromagnetic compatibility for industrial-process
measurement and control equipment, Part 4: Electrical fast
transient/burst requirements, Severity Level 4 (4 kV on power supply, 2 kV
on inputs and outputs) (type test).
IEC 255-22-1: 1988 Electrical disturbance tests for measuring relays and
protection equipment, Part 1: 1 MHz burst disturbance tests. Severity
Level 3 (2.5 kV common mode, 1.0 kV differential) (type test).
IEC 255-22-3: 1989 Electrical relays, Section 3: Radiated
electromagnetic field disturbance tests, Severity Level 3 (10 V/m) (type
test).
IEC 255-22-4: 1992 Electrical disturbance tests for measuring relays
and protection equipment, Section 4 - Fast transient disturbance test (type
test).
Impulse Tests
IEC 255-5: 1977 Electrical relays, Part 5: Insulation tests for electrical
relays, Section 6: Dielectric Tests, Series C (2500 Vac on analog inputs;
3000 Vdc on power supply, contact inputs, and contact outputs). Section
8: Impulse Voltage Tests, 0.5 Joule 5 kV (type test).
Vibration and
Shock Test
IEC 255-21-1: 1988 Electrical relays, Part 21: Vibration, shock, bump,
and seismic tests on measuring relays and protection equipment, Section
One - Vibration tests (sinusoidal), Class 1 (type test).
IEC 255-21-2: 1988 Electrical relays, Part 21: Vibration, shock, bump,
and seismic tests on measuring relays and protection equipment, Section
Two - Shock and bump tests, Class 1 (type test).
IEC 255-21-3: 1993 Electrical relays, Part 21: Vibration, shock, bump,
and seismic tests on measuring relays and protection equipment, Section
Three - Seismic tests, Class 2 (type test).
ESD Test
IEC 255-22-2: 1996 Electrical disturbance tests for measuring relays and
protective equipment, Section 2: Electrostatic discharge tests, Severity
Level 4 (8 kV contact discharge all points except serial ports, 15 kV air
discharge to all other points) (type test).
Courtesy of NationalSwitchgear.com
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