html{display:none} SEL Wireless Protection System SEL-FT50 Fault Transmitter, SEL-RP50 Fault Repeater, and SEL-FR12 Fault Receiver - Specifications | Schweitzer Engineering Laboratories
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    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-RP50-0001/6: 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-RP50-0001/6: 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-RP50-0001/6: 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
    Expected RangeSEL-FT50/SEL-RP50 to SEL-FR12: approximately 1 mile*
    SEL-FT50 to SEL-RP50: approximately 1 mile*
    SEL-RP50 to SEL-RP50: approximately 0.5 miles*

    *Requires flat terrain with clear line of sight and no RF interference—see the Wireless Protection System Instruction Manual for details

    Patents pending