html{display:none} SEL-FT50, SEL-RP50, and SEL-FR12 Fault Transmitter, Repeater, and Receiver System - Specifications | Schweitzer Engineering Laboratories

Specifications

General

ComplianceDesigned and manufactured under an ISO 9001-certified quality management system
Operating and Storage Temperature Range–40° to +85°C (–40° to +185°F)
Operating EnvironmentPollution degree: 2
Relative humidity: 5–95%, noncondensing
Maximum altitude: 2,000 m (1.24 mi)
Ingress ProtectionSEL-FT50/SEL-RP50: IP67
Clamp RangeSEL-FT50-0001/3/6: 0.635 to 3.175 cm (0.25 to 1.25 in)
SEL-FT50-0004/5/7: 0.762 to 2.794 cm (0.3 to 1.1 in)
SEL-RP50-0001: 0.635 to 3.175 cm (0.25 to 1.25 in)
DimensionsSEL-FT50-0001/3/6: 14.17 cm (5.58 in) diameter, 17.7 cm (6.97 in) tall
SEL-FT50-0004/5/7: 14.503 cm (5.71 in) diameter, 14.81 cm (5.83 in) tall
SEL-RP50-0001: 14.17 cm (5.58 in) diameter, 17.7 cm (6.97 in) tall
SEL-FR12: 4.37 cm (1.72 in) tall, 24.31 cm (9.57 in) wide, 11.71 cm (4.61 in) deep
WeightSEL-FT50-0001/3/6: 0.86 kg (1.9 lb)
SEL-FT50-0004/5/7: 0.59 kg (1.3 lb)
SEL-RP50-0001: 0.86 kg (1.9 lb)
PowerSEL-FT50 and SEL-RP50: Line-powered (no batteries)
SEL-FR12
     Voltage: 9–30 Vdc
     Power consumption: <2 W

System

Current Pickup LevelIndividually configurable on each SEL-FT50
Level options: 50, 100, 200, 400, 600, 800, 1,000, and 1,200 A
Fault Detection AccuracySEL-FT50-0001/3/6: 3% typical, 20% maximum
SEL-FT50-0004/5/7: 20% typical
Maximum VoltageUp to 38 kV (L-L) for SEL-FT50 and SEL-RP50
System LatencyFault detection (SEL-FT50) to Mirrored Bits communications output (SEL-FR12): 6 ms
Each fault repeater (SEL-RP50) in system: Additional 1.5 ms per hop
Network Size12 SEL-FT50 transmitters per SEL-FR12 receiver
Up to 5 SEL-RP50 repeaters per SEL-FT50
16 user-selectable network IDs

Radio

Frequency BandAustralia: 915–928 MHz
Brazil: 902–907.5 MHz, 915–928 MHz
Canada: 902–928 MHz
European Union: 863–870 MHz
Mexico: 902–928 MHz
New Zealand: 915–928 MHz
Peru: 916–928 MHz
United States: 902–928 MHz
Use the Country Model Guide to determine which device models are right for you.
Serial Communications Serial protocol: Mirrored Bits communications
Serial port: 9,600, 19,200, 38,400, 115,200 bps
Modulation2-FSK
Clear Line-of-Sight Range0.25 mi for SEL-FT50/SEL-FR12 and between SEL-RP50

Patents pending