New Horstmann Navigator LM LED Overhead Faulted Circuit Indicators 41-3001-107 A

Description

3979SB2C.1.19
New / Old Stock, Horstmann Navigator LED Overhead Faulted Circuit Indicators, Type A, LM, Part Number 41-3001-107.  Each bid quantity is for One (1) Indicator.  You may bid / buy any number, up to the total quantity available above.
These were purchased at an industrial liquidation earlier this year, and they are new in the original factory boxes.  The indicator devices show minor hazing and shelf wear, and the boxes are rough overall.  The last two units sold in this listing are missing the instructional leaflet which tells you not to get your fingers under the spring mechanism.
According to the manufacturer:
:
-- One Size For All Circuits -- Self Adjusting Trip Rating to Load Current -- 100 A Minimum Trip Load Tracker
-- Load Tracking Above 30 Amps
-- 72 Hour Peak Load Memory
-- Automatic Reset On Time and/or Current
-- High Intensity LED Indication (6 LEDs)
-- Visible in Bright Sunlight
-- 360 Degree Visibility
-- Self Diagnostic Battery Circuit
-- Replaceable Lithium Cells/ 20 Year Shelf Life
-- Self Powered / Armed and Ready
-- Automatic In-Rush Restraint
-- Hot Stick Applied / Quick Installation
Meets or Exceeds ANSI/IEEE 495-2007
ISO 9001 Certified Factory
The Navigator LM is a “One Size Fits All” Fault Indicator for maximum deployment flexibility. When applied to an overhead distribution line, the Navigator samples load current and sets a Trip Rating point according to the peak load sampled on the circuit. The trip rating is adjusted according to the peak load measured and is stored in memory for 72 hours. During that time, the trip rating can go no lower. If a higher peak is established within that 72 hours, the unit will adjust the trip rating according to the new peak load. If a new peak is not observed, the unit will lower its trip rating and set it according to the actual load measured. The Load Tracking/Load Memory feature, along with built in TCC Curves, provides flexibility to address installations close to the substation and further down the circuit to provide in-rush restraint. The six super high intensity Light Emitting Diodes allow Navigator Fault Indicators to be easily seen on the brightest days and under adverse weather and site conditions. The Navigator is the first self powered Fault Indicator with a diagnostic power source monitor. When the field replaceable Lithium Cell power source becomes low, the Navigator will signal a low power condition via an amber flashing LED for up to 6 months.
Technical Specifications
Standards Meets or exceeds ANSI/IEEE Std. 495-2007
Minimum Trip Current 100 A Minimum Trip @ 200 msec.
Load Tracking Initiation 30 A
Load Memory for Self Adjustment 72 Hours
Current Reset ≥ 3 Amps Load Current
Auto Reset Time 4 Hours Standard, 2, 8, 12 and 24 Hours Optional
Maximum Operating Voltage 46 kV L-L
Accuracy +10% @ 20 Degrees C
Current Withstand 25,000 Amps Sym. RMS / 170 msec.
Power Source 4 Lithium Oxide Cell, Replaceable, 20 year Shelf Life
Indication 4 Bright Red LEDs, 2 Bright Yellow LEDs
Visibility 1/4 Mile Day / 1/2 Mile Night
Total Indicating Time > 500 Hours Permanent Faults, > 1500 Hours Momentary Faults
Flashing Frequency 30 per minute for Fault Indication, 6 per minute for Low Battery
Temperature Range -40 to +85 Degrees C
Adjacent Cable Immunity 10 inches @ 10kA
Cable Diameter Range 0.3 inches to 1.25 inches
Casing Material UV Stable Fiber Reinforced Polymer
Current Transformer Closed Core Ferrous Stainless Steel
Weight 16.8 oz.