Model

Power

Manual

EFI

OC

Alarm Ind

Timed

LV Reset

Remote

Alarm

RS242/

Directional

CT or

Reset

LED/Flag/LCD

Reset

Reset

Output

485 terml

I Sensor

Battery Power

EEFI MKII

Battery

Magnet

Yes

LED

3/6 hour

Opto-coupler

CT

EEFI RR MkII

Battery

Push button

Yes

LED

3/6 hour

Yes

Yes

CT

BEEFI

Battery

Magnet

Yes

LED

3/6 hour

Integral CT

No Battery power

NB

No Battery

Push button

Yes

Flag

3 hour

CT

NB1

No Battery

Push button

Yes

Flag

3 hour

Yes

CT

NB2

No Battery

Push button

Yes

Flag

3 hour

Yes

CT

NB2LV

No Battery

Push button

Yes

Flag

3 hour

Yes

Yes

CT

NB3

No Battery

Push button

Yes

Flag

3 hour

Yes

Yes

CT

Optional Battery/Transformer standing power source - not required during Alarm Mode

OMEGA EFI

Standard

Batt or Tx

Push Button

Yes

LED

3/6 hour

Yes

Yes

I Sensor

Automation

Batt or Tx

Push Button

Yes

LED

3/6 hour

Yes

Yes

Yes

I Sensor

OMEGA OC/EF

Standard

Batt or Tx

Push button

Yes

Yes

LED

3/6 hour

Yes

Yes

I Sensor

Automation

Batt or Tx

Push button

Yes

Yes

LED

3/6 hour

Yes

Yes

Yes

I Sensor

No Battery power

OMNI-FI

No Battery

Push button

Yes

Yes

LCD

3 hour

Yes

Yes

Yes

Yes

Yes

CT

Notes

CT = Core balance CT

I Sensor = Band Current Sensor

Magnet = Magnet required to manually reset indicator

Batt/Tx = Standing power required from Battery or 240/9V Transformer

Pathfinder 360 ALPHA Selection Data

Pathfinder 360 ALPHA - permanently installed overhead line fault passage indicator

System Data

System Voltage

6KV thro 132KV

Type of System Construction

Wood pole - unearthed

Installation Location

3 metres below lowest conductors - symetrical between outers

Type of pole top configuration

Flat, triangular - two wire single phase or three wire three phase

Pathfinder Enclosure Data

Polycarbonate body and screw cap - watertight to IP67

O' ring seal material

Nitrile - BS1806:1989

Support bracket

Aluminium anodised

Humidity seal

0 - 100%

Temperature range

Including electronics -50 degrees C to +70 degrees C

Power Source

Primary Power

1 x Lithium Thionyl Chloride 'D' Cell 16.5AH

Battery Life

10 years @20 degrees C - shelf life 15 years nominal

Battery Health Check

Hold Magnet over 'Test' area on side of Pathfinder - Flashing LED confirms OK

Threshold Settings

Type of fault

Earth fault (including Sensitive EF) and Overcurrent fault

Fault Current settings

All fault current levels above 7A

Initial time delay (mag inrush)

40mS

Sampling rate

Continuous full wave sampling

Alarm Indicators

Main visual indication

Xenon gas tube - 0.24 Joules of Flash

Flash rate

5 - 6 per minute

Power demand

15mA.hrs when flashing

Secondary visual indication

Ultra bright LED

Power demand

0.65mA.hrs

Flashing Capacity

up to 1000 hrs nominal at 20 degrees C

Alarm Configuration

Model 'S' - permanent faults only

Alarms after fault current and loss of system volts

Xenon Resets on restoration of HV volts or 3 hr Reset time which ever sooner

If supply off longer than Reset Time then LED Alarms until HV voltage restored

Model 'D' - Permanent & Transient faults

Alarms after fault current and momentary or permanent loss of system volts

Xenon Resets on restoration of HV volts or 3 hr Reset time which ever sooner

LED begins Flashing for 24 hours after Xenon Resets

Model 'F' - all faults downstream

Alarms after fault current on one or more phases

of fuses - All faults

Xenon Flashes for 3 or (6hrs) then resets - no HV voltage reset

Model 'FD' - all faults downstream

Alarms after fault current on one or more phases

of fuses - All faults

Xenon Flashes for 3 (or 6hrs) then resets - LED begins Flashing for 24 hours

No HV voltage reset

Alarm Reset

Manual - all Alarm functions

Swipe magnet over 'Test' mark on side of Pathfinder

Manual Reset overrides all Alarm Configurations detailed above.

Flashing Capacity

Typical examples

Model 'S' - Xenon resets after 3 hours

Capacity - 355 fault occasions

Model 'D' - Xenon resets after 3 hours

Capacity - 266 fault occasions

& LED after 24 hours

Rightway Pathfinder Mk8 Selection Data

Rightway Pathfinder Mk8 - portable overhead line fault passage indicator

System Data

System Voltage

6KV thro 132KV

Type of System Construction

Wood pole - unearthed

Installation Location

5 metres below lowest conductors - symetrical between outers

Need not be located on pole but placed midspan on hedgerow or ground

Attachment to pole

Fitted to pole by Elastic Strap or Nylon Buckle strap - supplied

Type of pole top configuration

Flat, triangular - two wire single phase or three wire three phase

Pathfinder Enclosure Data

Polycarbonate body with 'O' ring seal

Control switches Watertight

Whole enclosure seal rated IP65

Power Source

Primary Power

1 x Lithium Thionyl Chloride Cell 3.6V 2.2AH

Battery Life

6 - 10 years @20 degrees C depending on usage

Battery Health Check

Auto health check every time unit switched 'On'

Threshold Settings

Type of fault

Earth fault and Overcurrent fault

Fault Current settings

All fault current levels above14A (High sensitivity) and 70A (Low sensitivity)

Initial time delay (mag inrush)

40mS

Alarm Indicators

Main visual indication

Bright RED Flag

Power demand

40 microamps in Alert State only

Alarm Reset

Manual

Manual Reset only by Switching Unit OFF