2-4 Specifications Date Code 20000421
SEL-251, -2, -3 Instruction Manual
IEC 255-22-1 First Edition - 1988
Electrical disturbance tests for measuring relays and protection equipment,
Part 1: 1 MHz burst disturbance tests
Severity Level: 2.5 kV peak common mode, 1.0 kV peak differential mode
IEC 255-22-3 - 1989
Electrical relays, Part 22: Electrical disturbance tests for measuring relays and
protection equipment, Section Three - Radiated electromagnetic field
disturbance tests
Exceptions:
4.3.2.2 Frequency sweep approximated with 200 frequency steps per
octave
IEC 801-2 Second Edition - 1991-04
Electromagnetic compatibility for industrial-process measurement and control
equipment, Part 2: Electrostatic discharge requirements
Severity Level: 3
IEC 801-3
Electromagnetic compatibility for industrial process measurement and control
equipment, Part 3: Radiated electromagnetic field requirements
Severity Level: 10 V/m
Exceptions:
9.1 Frequency sweep approximated with 200 frequency steps per
octave.
IEC 801-4 First Edition - 1988
Electromagnetic compatibility for industrial process measurements and control
equipment, Part 4: Electrical fast transient/burst requirements
Severity Level: 4 (4 kV on power supply, 2 kV on inputs and outputs)
Unit Weight
SLP Chassis: 12 pounds (5.5 kg) - 5 amp nominal current inputs
LP Chassis: 16 pounds (7.3 kg) - 1 amp nominal current inputs
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