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

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