Patrolman

FI-5A Overhead Faulted Circuit Indicator

Patrolman

Overhead FCI

The Patrolman improves system reliability by monitoring overhead lines for faults. Its power-efficient electronics, durable mechanical design, and reliable operating principle ensure a long field life of helping linemen easily locate faults and quickly re-energize power systems.

Trip Current Range

Auto-adjusting trip point with real time load tracking

Voltage Range

Suitable for all voltages up to 69 kV

Power Source
  • 10.9 Ah lithium cells, replaceable
  • 20+ year shelf-life
  • harvests power from the line when load is >25 A
  • light sensor adjusts brightness for daytime brightness and nighttime power conservation
Current Withstand

25ka for 60 cycles (1 second)

Manufacturer's Warranty

5 years from date of purchase

Installation Diameter Range

0.3 in to 1.7 in (8 mm to 42 mm)

*bare or covered conductors

Indication
  • High-intensity LEDs with light sensor
  • Custom designed lens gives true 360 degree visibility
Accuracy

+/- 5%

Auto Reset Time
  • Customer specified (standard settings of 4 hr, 8 hr, or 24 hr)
  • Separate reset times available for permanent and temporary faults
Total Indicating Time

>8000 hours

Visibility

>1500 ft daytime ; >2500 ft nighttime

Casing Materials

UV stable polycarbonate and potting compound

Current Transformer

Split core corrosion resistant stainless steel

Temperature Range

-50°C to +85°C

Weight

22 oz (620 g)

Notable Features
  • Superior inrush current restraint
  • Recognizes post-fault backed current
  • No minimum load current requirement to respond to faults
  • Butterfly-style clamp for easy and safe installation & removal with hot stick
  • Wide variety of settings available to accommodate existing customer practices and modern power systems
Compliance Standards

IEEE-495 (2007) compliant and ISO-9001 certified