Specifications
76
SEL-351P Quick-Start Installation and User's Guide (Portuguese)
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 including control
ac power; 3100 Vdc on optional power supply inputs, contact inputs, and contact
outputs excluding Trip and Close). 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 1 - Vibration
tests (sinusoidal),
Class 1 (relay module only).
IEC 255-21-2 - 1988 Electrical relays, Part 21: Vibration, shock, bump, and
seismic tests on measuring relays and protection equipment, Section 2 - Shock and
bump tests,
Class 1 (relay module only).
IEC 255-21-3 - 1993 Electrical relays, Part 21: Vibration, shock, bump, and
seismic tests on measuring relays and protection equipment, Section 3 - Seismic
tests,
Class 2 (relay module only).
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).
Burn-in
Twenty temperature cycles from ambient to 75°C (167°F) over 48 hours.
Relay Element Pickup Ranges and Accuracies
Instantaneous/Definite-Time Overcurrent Elements
Pickup Range:
0.05 - 20.00 A, 0.01 A steps (1 A nominal)
0.20 - 34.00 A, 0.01 A steps (1 A nominal – for
phase-to-phase elements)
0.005 - 1.500 A, 0.001 A steps (0.05 A nominal
channel IN current input)
Steady-State Pickup Accuracy:
±
0.01 A and
±
3% of setting (1 A nominal)
±
1 mA and
±
5% of setting (0.05 A nominal
channel IN current input)
Transient Overreach:
±
5% of pickup
Time Delay:
0.00 - 16,000.00 cycles, 0.25-cycle steps
Timer Accuracy:
±
0.25 cycle and
±
0.1% of setting
Time-Overcurrent Elements
Pickup Range:
0.10 - 3.20 A, 0.01 A steps (1 A nominal)
0.005 - 0.160 A, 0.001 A steps (0.05 A nominal
channel IN current input)
Steady-State Pickup Accuracy:
±
0.01 A and
±
3% of setting (1 A nominal)
±
1 mA and
±
5% of setting (0.05 A nominal
channel IN current input)
Time Dial Range:
0.50 - 15.00, 0.01 steps (US)
Содержание SEL-351P
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