GE Multilin 350 Series User Manual

1–12 350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 1: INTRODUCTION
SENSITIVE GROUND CURRENT INPUT
CT Primary: ............................................................1 to 600 A
Range:...................................................................... 0.002 to 3 × CT
Input type:..............................................................1 A or 5 A (must be specified with order)
Nominal frequency:...........................................50/60 Hz
Burden: ....................................................................<0.1 VA at rated load
Accuracy:................................................................±1% of reading at 0.1× CT
±3% of reading from 0.02 to 3 × CT
±20% of reading from 0.002 to 0.019 × CT
CT withstand:........................................................1 second at 100 × rated current
2 seconds at 40 × rated current
continuous at 3 × rated current
PHASE/AUX VOLTAGE INPUTS
Source VT: ..............................................................0.12 to 65 kV / 50 to 220 V
VT secondary range:.........................................50 to 240 V
VT ratio: ................................................................... 1 to 5000 in steps of 1
Nominal frequency:...........................................50/60 Hz
Accuracy:................................................................±1.0% throughout range
Voltage withstand:............................................. 260 VAC continuous
Outputs
FORM-A RELAYS
Configuration: ......................................................2 (two) electromechanical
Contact material:................................................ silver-alloy
Operate time:........................................................<8 ms
Continuous current:...........................................10 A
Make and carry for 0.2s:..................................30 A per ANSI C37.90
Break (DC inductive, L/R=40 ms):.................24 V / 1 A
48 V / 0.5 A
125 V / 0.3 A
250 V / 0.2 A
Break (DC resistive): ...........................................24 V / 10 A
48 V / 6 A
125 V / 0.5 A
250 V / 0.3 A
Break (AC inductive):..........................................720 VA @ 250 VAC Pilot duty A300
Break (AC resistive):............................................277 VAC / 10 A
FORM-A VOLTAGE MONITOR
Applicable voltage: ............................................20 to 250 VDC
Trickle current: .....................................................1 to 2.5 mA
Courtesy of NationalSwitchgear.com

GE Multilin 350 Series Specifications

General

Brand	GE
Model	Multilin 350 Series
Category	Relays
Language	English