A–4
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHANGE NOTES
Table 2: Major Updates for 350-AN
Page Number
CHANGES
Cover
Manual revision number from AM to AN
Added optical electronic device warning
Chapter 1
Updated functional block diagram
Updated Order Codes
Added Arc Flash System Order Codes
New Specifications:
Arc Flash HS Phase/Ground Instantaneous Overcurrent HS 50P/50G
Arc Flash Sensor Fiber
Outputs: Arc Flash option
Chapter 2
Added Arc Flash Sensor section:
Sensor fiber handling and storage
Point sensor installation
Loop sensor installation
Chapter 6
Updated Cold Load Pickup logic diagram
General
Minor Corrections
Table 3: Major Updates for 350-AM
Page Number
CHANGES
Cover
Manual revision number from AL to AM
350 revision to 2.3x
Added class 1M device warning
General
Changed features for 2.3x:
Programmable LEDs setpoint added to configure LEDs as TYPE self-
reset or latched. Now available for NDO.
Event Recorder
Lockout setpoint descriptions updated
Password and Security setpoint added and description updated
Trip Counter logic diagram updated
Redundancy Mode (Link Loss Alert - LLA added)
General
New features for 2.3x:
Arc Flash
Volts per Hertz
Chapter 1
Updated Order Codes
Updated Line Diagram and Table 1-1 Protection Elements
Specifications:
Dropout Level updated for several elements.
Ingress Protection rating updated to IP54
Chapter 2
SR 735 adapter plate dimensions corrected
Chapter 4
A2 METERING > CURRENT parameters updated
Chapter 6
Updated Redundancy Mode (LLA) settings
Removed duplicate BLOCK descriptions, referring instead to Common
Setpoints section.
Added to description of Synchrocheck algorithm.
General
Corrections throughout
Table 4: Major Updates for 350-AL
Page Number
CHANGES
Cover
Manual revision number from AK to AL
350 revision to 2.2x