Schweitzer Engineering Laboratories SEL-351-5 - Page 32

1-14 Introduction and Specifications Date Code 20020426
SEL-351-5, -6, -7 Instruction Manual
Operating
Temperature
-40° to 185°F (-40° to +85°C) (type test).
(LCD contrast impaired for temperatures below -20°C.)
IEC 60068-2-1: 1990 Environmental testing procedures, Part 2: Tests -
Test Ad: Cold (type test).
IEC 60068-2-2: 1974 Environmental testing procedures, Part 2: Tests -
Test Bd: Dry Heat (type test).
Environment
IEC 60068-2-30: 1980 Environmental testing procedures, Part 2: Tests,
Test Db and guidance: Damp heat, cyclic (12 + 12-hour cycle), (six-day
type test).
IEC 60529: 1989-11 Degrees of Protection Provided by Enclosures -
IP30, IP54 from the front panel using the SEL-9103 Front Cover Dust and
Splash Protection (type test).
RFI and
Interference
Tests
IEEE C37.90.1 - 1989 IEEE SWC Tests for Protective Relays and Relay
Systems (3 kV oscillatory, 5 kV fast transient) (type test).
IEEE C37.90.2 – 1995 IEEE standard for withstand capability of relay
systems to radiated electromagnetic interference from transceivers.
Severity Level 35 V/m (type test).
IEC 60255-22-1: 1988 Electrical disturbance tests for measuring relays
and protection equipment, Part 1: 1 MHz burst disturbance tests. Severity
Level 3 (2.5 kV peak common mode, 2.5 kV peak differential) (type test).
IEC 60255-22-3: 2000 Electrical relays, Section 3: Radiated electro-
magnetic field disturbance tests, Severity Level 3 (10 V/m) (type test).
IEC 60255-22-4: 1992 Electrical disturbance tests for measuring relays
and protection equipment, Section 4 - Fast transient disturbance test.
Severtiy Level 4 kV at 2.5 kHz and 5 kHz (type test).
Impulse Tests
IEC 60255-5: 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 60255-21-1: 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 60255-21-2: 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 60255-21-3: 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 60255-22-2: 1996 Electrical disturbance tests for measuring relays
and protective equipment, Section 2: Electrostatic discharge tests,
Severity Level 4 (Equipment is tested at both polarities at levels 1, 2, 3, 4)
(type test).