10
SPECIFICATIONS
Output Contacts
Make: 30 A
Carry: 6 A continuous carry at 70°C, 4 A continuous carry at 85°C
One-second rating: 50 A
MOV protected: 270 Vac, 360 Vdc, 40 J
Pickup time: Less than 5 ms
Dropout time: Less than 5 ms, typical.
Breaking Capacity (10,000 operations):
24 V 0.75 A L/R = 40 ms
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
Cyclic Capacity (2.5 cycles/second):
24 V 0.75 A L/R = 40 ms
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
Note: Make per IEEE C37.90: 1989; Breaking and Cyclic Capacity per IEC 60255-
23 [IEC 255-23]: 1994.
Optoisolated Input
Ratings
The optoisolated inputs each draw 4 mA when nominal control voltage is applied.
Level-Sensitive Inputs (Six inputs total, basic version)
48 Vdc: Operate (pickup) 38.4–60 Vdc; Dropout 28.8 Vdc
125 Vdc: Operate (pickup) 105–150 Vdc; Dropout 75 Vdc
250 Vdc: Operate (pickup) 200–300 Vdc; Dropout 150 Vdc
Tightening Torque
Minimum: 7-in-lb (0.8 Nm)
Maximum: 12-in-lb (1.4 Nm)
Terminal Connections
Terminals or stranded copper wire. Ring terminals are recommended. Minimum
temperature rating of 105°C.
Power Supply
Rated: 125/250 Vdc or Vac
Range: 85–350 Vdc or 85–264 Vac
Burden: <25 W
Rated: 48/125 Vdc or 125 Vac
Range: 38–200 Vdc or 85–140 Vac
Burden: <25 W
Rated: 24/48 Vdc
Range: 20–60 Vdc polarity dependent
Burden: <25 W
Dielectric Strength
Power supply, logic inputs, and output contacts: 3000 Vdc for10 seconds.
Operating Temp.
–40° to +185°F (–40° to +85°C).
Optional Internal Modem: –40° to +158°F (–40° to +70°C).
Unit Weight
7 lb, 12 oz (3.50 kg).
Dimensions
3.47" H x 19.00" W x 9.00" D (8.81 cm x 48.26 cm x 22.86 cm).
Type Tests
and Standards
IEEE C37.90.1 IEEE Standard Surge Withstand Capability (SWC) Tests for
Protective Relays and Relay Systems.
Logic inputs, output contacts, and power supply.
IEEE C37.90.2 IEEE Trial-Use Standard Withstand Capability of Relay Systems to
Radiated Electromagnetic Interference from Transceivers.
5.5.2 (2) Performed with 200 frequency steps per octave.
5.5.3 Digital Equipment Modulation Test not performed.
5.5.4 Test signal turned off between frequency steps to simulate keying.
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