Specifications; Password Security; Protection Specifications - GE Multilin 350 Series Instruction Manual

CHAPTER 1: INTRODUCTION

1.5 Specifications

NOTE:
NOTE

1.5.1 Password security

1.5.2 Protection specifications

350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
Courtesy of NationalSwitchgear.com
Specifications are subject to change without notice.
PASSWORD SECURITY
Master Reset Password: ..................................8 to 10 alpha-numeric characters
Settings Password:.............................................3 to 10 alpha-numeric characters for local and remote
Control Password:...............................................3 to 10 alpha-numeric characters for local and remote
PHASE/NEUTRAL/GROUND TIME OVERCURRENT (51P/51N/51G)
Pickup Level:..........................................................0.04 to 20 x CT in steps of 0.01 x CT
Dropout Level: ......................................................97 to 99% of Pickup @ I > 1 x CT
Curve Shape:.........................................................ANSI Extremely/Very/Moderately/Normally Inverse
Curve Multiplier:...................................................0.5 to 20.0 in steps of 0.1
Reset Time: ............................................................Instantaneous, Linear
Time Delay Accuracy: .......................................±3% of expected inverse time or 1 cycle, whichever is
Level Accuracy:....................................................per CT input
SENSITIVE GROUND TIME OVERCURRENT (51SG)
Pickup Level:..........................................................0.005 to 3 x CT in steps of 0.001 x CT
Dropout Level: ......................................................97 to 99% of Pickup @ I > 0.1 x CT
Curve Shape:.........................................................ANSI Extremely/Very/Moderately/Normally Inverse
Curve Multiplier:...................................................0.5 to 20.0 in steps of 0.1
Reset Time: ............................................................Instantaneous, Linear
Time Delay Accuracy: .......................................±3% of expected inverse time or 1 cycle, whichever is
Level Accuracy:....................................................per CT input
PHASE/NEUTRAL/GROUND INSTANTANEOUS OVERCURRENT (50P/50N/50G)
Pickup Level:..........................................................0.05 to 20 x CT in steps of 0.01 x CT
Dropout Level: ......................................................97 to 99% of Pickup @ I > 1 x CT
Time Delay: ............................................................0.00 to 300.00 sec in steps of 0.01
Operate Time:.......................................................<30 ms @ 60Hz (I > 2.0 x PKP, No time delay)
Time Delay Accuracy: .......................................0 to 1 cycle (Time Delay selected)
Level Accuracy:....................................................per CT input
access
access
Pickup - 0.02 x CT @ I < 1 x CT
Definite Time (0.05 s base curve)
IEC Curve A/B/C/Short
IAC Extreme/Very/Inverse/Short
User Curve, FlexCurve™ A/B (programmable curves)
greater
Pickup - 0.02 x CT @ I < 0.1 x CT
DefiniteTime
IEC Curve A/B/C/Short Inverse
IAC Extreme/Very/Inverse/Short Inverse
User Curve, FlexCurve™ A/B
greater
Pickup - 0.02 x CT @ I <1 x CT
<35 ms @ 50Hz (I > 2.0 x PKP, No time delay)
SPECIFICATIONS
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