P.1.14
SEL-411L Relay Protection Manual Date Code 20151029
Introduction and Specifications
Specifications
High-Speed High-Current Interrupting
Make: 30 A
Carry: 6 A continuous carry at 70°C
4 A continuous carry at 85°C
1 s Rating:
50 A
MOV Protection
(maximum voltage): 250 Vac/330 Vdc
Pickup Time: 10 s, resistive load
Dropout Time: 8 ms, resistive load
Update Rate: 1/8 cycle
Break Capacity (10000 operations):
48 Vdc 10.0 A L/R = 40 ms
125 Vdc 10.0 A L/R = 40 ms
250 Vdc 10.0 A L/R = 20 ms
Cyclic Capacity (4 cycles in 1 second, followed by 2 minutes idle
for thermal dissipation)
48 Vdc 10.0 A L/R = 40 ms
125 Vdc 10.0 A L/R = 40 ms
250 Vdc 10.0 A L/R = 20 ms
Note: Per IEC 60255-23:1994, using the simplified method of
assessment.
Note: Make rating per IEEE C37.90
-2005.
Note: Per IEC 61810
-2:2005.
Auxiliary Breaker Control Pushbuttons
Quantity: 2
Pushbutton Functions: One (1) pushbutton shall be provided to
open the breaker.
One (1) pushbutton shall be provided to
close the breaker.
Resistive DC or AC Outputs With Arc Suppression Disabled:
Make: 30 A per IEEE C37.90
-2005
Carry: 6 A continuous carry
1 s Rating: 50 A
MOV Protection: 250 Vac/330 Vdc/130 J
Breaking Capacity (10,000 operations):
48 V 0.50 A L/R = 40 ms
125 V 0.30 A L/R = 40 ms
250 V 0.20 A L/R = 40 ms
High Interrupt DC Outputs With Arc Suppression Enabled
Make: 30 A
per IEEE C37.90-2005
Carry: 6 A continuous carry
1 s Rating: 50 A
MOV Protection: 330 Vdc/130 J
Breaking Capacity (10,000 operations):
48 V 10 A L/R = 40 ms
125 V 10 A L/R = 40 ms
250 V 10 A L/R = 20 ms
Breaker Open/Closed LEDs:
48 Vdc: on for 30–60 Vdc;
125 Vdc: on for 80–150 Vdc; 96–144 Vac
250 Vdc: on for 150–300 Vdc; 192–288 Vac
Note:
With nominal control voltage applied, each LED draws
8 mA (max.). Jumpers may be set to 125 Vdc for 110 Vdc input
and set to 250 Vdc for 220 Vdc input.
Control Inputs
Optoisolated (Use With AC or DC Signals)
Main Board: No I/O
INT2, INT7, and INTE
interface boards: 8 inputs with no shared terminals
INTC and INTD
interface board:
6 inputs with no shared terminals
18 inputs with shared terminals
(2 groups of 9 inputs with each group
sharing one terminal)
Voltage Options: 48, 110, 125, 220, 250 V
Current Draw: < 5 mA at nominal voltage
< 8 mA for 110 V option
Sampling Rate: 2 kHz
DC Thresholds
48 Vdc: Pickup 38.4–60.0 Vdc;
Dropout < 28.8 Vdc
110 Vdc: Pickup 88.0–132.0 Vdc;
Dropout < 66.0 Vdc
125 Vdc: Pickup 105–150.0 Vdc;
Dropout < 75 Vdc
220 Vdc: Pickup 176–264.0 Vdc;
Dropout < 132 Vdc
250 Vdc: Pickup 200–300.0 Vdc;
Dropout < 150 Vdc
AC Thresholds (Ratings met only when recommended control
input settings are used—see Table 2.1.)
48 Vac: Pickup 32.8–60.0 Vac rms;
Dropout < 20.3 Vac rms
110 Vac: Pickup 75.1–132.0 Vac rms;
Dropout < 46.6 Vac rms
125 Vac: Pickup 89.6–150.0 Vac rms;
Dropout < 53.0 Vac rms
220 Vac: Pickup 150.3–264.0 Vac rms;
Dropout < 93.2 Vac rms
250 Vac: Pickup 170.6–264.0 Vac rms;
Dropout < 106 Vac rms
Frequency and Rotation
System Frequency: 50/60 Hz
Phase Rotation: ABC or ACB
Nominal Frequency
Rating:
50 ±5 Hz
60 ±5 Hz
Frequency Tracking
(Requires PTs):
Tracks between 40.0–65.0 Hz
Below 40 Hz = 40 Hz
Above 65.0 Hz = 65 Hz
Maximum Slew Rate: 15 Hz per s
Communications Ports
EIA-232: 1 Front and 3 Rear
Serial Data Speed: 300–57600 bps
Communications Card Slot for Optional Ethernet Card
Ordering Option: 100BASE-FX Fiber-Optic Ethernet
Item Detail
Mode Multi
Wavelength (nm) 1300
Source LED
Connector Type LC
TX Pwr. (Avg dBm): –19 to –14
RX Sens. (dBm): –32
Sys. Gain (dB): 13
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