Schweitzer Engineering Laboratories, Inc. SEL-487V Data Sheet
25
Thermal Rating: 50 A for 1 s
MOV Protection
(Maximum Voltage): 330 Vdc
Pickup/Dropout Time: 6 ms, resistive load
Inductive Breaking Capacity (10,000 Operations):
48 Vdc 10 A L/R = 40 ms
125 Vdc 10 A L/R = 40 ms
250 Vdc 10 A L/R = 20 ms
Cyclic Capacity (4 Cycles in 1 Second, Followed by 2 Minutes Idle
for Thermal Dissipation):
48 Vdc 10 A L/R = 40 ms
125 Vdc 10 A L/R = 40 ms
250 Vdc 10 A L/R = 20 ms
Mechanical Durability: 10,000 no-load operations
High-Speed, High-Current Interrupting
Rated Carry: 6 A continuous carry at 70°C
4 A continuous carry at 85°C
Rated Make: 30 A at 250 Vdc
Thermal: 50 A for 1 s
Pickup Time: 10 s, resistive load
Dropout Time: 8 ms, resistive load
Breaking Capacity (10,000 Operations):
48 Vdc 10 A L/R = 40 ms
125 Vdc 10 A L/R = 40 ms
250 Vdc 10 A L/R = 20 ms
Cyclic Capacity (4 Cycles in 1 Second, Followed by 2 Minutes Idle
for Thermal Dissipation):
48 Vdc 10 A L/R = 40 ms
125 Vdc 10 A L/R = 40 ms
250 Vdc 10 A L/R = 20 ms
Mechanical Durability: 10,000 no-load operations
Minimum Current Rating: 10 mA
Update Rate: 1/8 cycle
Note: Per IEC 60255-23:1994, using the simplified method of
assessment
Note: Make rating per IEEE C37.90-2005.
Note: Per IEC 61810-1:2005.
Control Inputs
Optoisolated (Use With AC or DC Signals)
General
Sampling Rate: 2 kHz
Main Board: 5 inputs with no shared terminals
2 inputs with shared terminals
INT 2, INT7, and INT8
Interface Boards: 8 inputs with no shared terminals
INT 3 and INT 4: 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
DC Thresholds (Dropout Thresholds Indicate Level-Sensitive Option)
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 Vdc;
Dropout <75 Vdc
220 Vdc: Pickup 176–264 Vdc;
Dropout <132 Vdc
250 Vdc: Pickup 200–300 Vdc;
Dropout <150 Vdc
Current Draw: 5 mA at nominal voltage;
8 mA at 110 V option
Rated Frequency: 50 ± 5 Hz, 60 ± 5 Hz
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 170.6–300.0 Vac rms;
Dropout <106 Vac rms
Current Draw: <5 mA at nominal voltage
<8 mA at 110 V option
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
Carry: 6 A continuous carry
1 s Rating: 50 A
MOV Protection
(Maximum Voltage): 250 Vac/330 Vdc
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
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.
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.
Communications Ports
EIA-232: 1 front and 3 rear
Serial Data Speed: 300–57600 bps
Communications Card Slot for Optional Ethernet Card
Ordering Options: 10/100BASE-T
Connector Type: RJ45
Ordering Option: 100BASE-FX Fiber-Optic
Connector Type: LC
Fiber Type: Multimode
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