User's Manual
25
Date Code 20170317 Instruction Manual SEL-FT50/SEL-FR12 Fault Transmitter and Receiver System
Specifications
Specifications
Compliance
Designed and manufactured under an ISO 9001 certified quality
management system.
General
Operating Temperature
–40° to +85°C (–40° to +185°F)
Storage Temperature
–40° to +85°C (–40° to +185°F)
Operating Environment
Pollution Degree: 2
Relative Humidity: 5–95%, noncondensing
Maximum Altitude: 2000 m
Ingress Protection (SEL-FT50)
IP67
Clamp Range (SEL-FT50)
7.6 mm to 27.9 mm (0.3 in to 1.1 in)
Dimensions
SEL-FT50: 145 mm diameter x 148 mm height
(5.71 in. diameter x 5.83 in. height)
SEL-FR12: 44 mm x 243 mm x 117 mm
(1.73 in x 9.57 in x 4.61 in)
Weight
SEL-FT50: 0.6 kg (1.3 lb)
System
Power System Frequency Range
45–65 Hz
Current Pickup Level
Note: Units are individually configurable.
50, 100, 200, 400, 600, 800, 1000, 1200 A
Fault Detection Accuracy
50 A Threshold: 50%
100 A, 200 A Threshold: 30%
400 A Threshold and
Above: 20%
Maximum Voltage
38 kV (L-L)
Power
SEL-FT50 Minimum Radio Link Active Current
15 A
SEL-FR12 Power Requirements
Voltage: 9–30 Vdc
Power Consumption: < 2 W
Radio System
Frequency Band
902–928 MHz ISM band
SEL-FT50
TX Power: 700 mW (28 dBm)
SEL-FR12
Number of Channels: 12
Antenna Connector: BNC, 50 :
RX Sensitivity: –100 dBm at 1% error rate
Serial Protocol: MIRRORED BITS communications
Serial Port: 9600, 19200, 38400, 115200 bps
Modulation
FSK
Typical Range
4 miles with 20 dB of interference/fade margin