html{display:none} SEL-FLT and SEL-FLR Fault and Load Transmitter and Receiver System - Specifications | Schweitzer Engineering Laboratories
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    Specifications

    SEL-FLT
    GeneralOperating temperature range: –40° to +85°C (–40° to +185°F)
    Storage temperature range: –40° to +85°C (–40° to +185°F)
    Ingress protection: IP66
    Clamp range: 6.4–38.1 mm (0.25–1.5 in)
    Dimensions: 159 × 192 × 252 mm (6.3 × 7.6 × 9.9 in)
    Weight: 1.6 kg (3.6 lb)

    Operating Environment
    Pollution degree: 2
    Relative humidity: 5%–95%, noncondensing
    Maximum altitude: 2,000 m (6,562 ft)
    SystemFrequency range: 50–60 Hz
    Current range: 3–600 A
    Maximum voltage: 69 kV (line to line)
    Fault DetectionTrip threshold range: 25–1,600 A
    Fault detection accuracy: ±2 A + 4%
    Maximum fault current: 25 kA for 10 cycles
    Trip response time: 24 ms at 60 Hz (default)
    Load MeasurementCurrent range: 3–600 A
    Measurement accuracy:
    • ±0.25 A + 1% from 5–600 A (typical)
    • ±2.5 A + 2% from 5–600 A (maximum)
    • ±3 A from 3–5 A (maximum)
    PowerMinimum continuous operating current: 3.5 A
    Battery capacity: 19 Ah
    Battery shelf life: 20 years
    Flash HoursHarvested power flash time: 8 LED flash hours (per outage)
    Battery flash time: 1,800 LED flash hours for extended outages
    SEL-FLR
    General

    RF connector: TNC
    Temperature Range
    SEL-FLR: –40° to +85°C (–40° to +185°F) per IEC 60068-2-1 and 60068-2-2
    SEL-FLR enclosure:

    • With SEL-3061: –25° to +50°C (–13° to +122°F)
    • Maximum loading (SEL-3061 and <10 W of accessories): –25° to +40°C (–13° to +104°F)
    • Without direct sunlight: Increase maximum temperatures by 15°C (27°F)
    Dimensions
    SEL-FLR (wall mount): 216 × 165.1 × 44.5 mm (8.5 × 6.5 × 1.75 in)
    SEL-FLR enclosure: 685.8 × 405.7 × 276.5 mm (27 × 15.97 × 10.89 in)

    Operating Environment
    Pollution degree: 2
    Relative humidity: 5%–95%, noncondensing
    Maximum altitude: 2,000 m (6,562 ft)
    Communications (Ethernet)Ports: 3 (1 front; 2 rear)
    Data rate: 10/100 Mbps
    Front and rear connectors: RJ45
    Standard: IEEE 802.3
    Power SupplySEL-FLR
    Input voltage range: 9–30 Vdc
    Power consumption: <10 W

    SEL-FLR Enclosure
    Input voltage: 120 Vac nominal
    AC power consumption: <39 W
    Usable dc load: <25 W
    Both SEL-FLT and SEL-FLR
    Wireless SystemFrequency band: 902–928 MHz ISM
    Occupied bandwidth: 850 kHz
    Modulation: Digital modulation, 2-FSK
    Operating mode: Point-to-multipoint
    Power output: 26 dBm
    Number of channels: 25, nonoverlapping
    Sensitivity: –102 dBm ± 2 dB at 5% PER
    Link data rate: 62.5 kbps
    Error detection: 16-bit CRC
    Expected range:
    • Receiver antenna mounted on a distribution pole: approximately 1 mile*
    • Receiver antenna mounted on a 75 ft communications tower: approximately 3 miles*
    • Radio maximum range with no obstructions: up to 10 miles

    *Requires flat terrain with clear line of sight and no RF interference—see FLT/FLR System Deployment Guide for details