EasyManuals Logo

GE Feeder Management Relay 750 User Manual

GE Feeder Management Relay 750
346 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #27 background imageLoading...
Page #27 background image
GE Multilin 750/760 Feeder Management Relay 2-11
2 INTRODUCTION 2.2 SPECIFICATIONS
2
2.2.7 OUTPUTS
ANALOG OUTPUTS
Type: Active
Outputs: 8 Channels; specify one of the following
output ranges when ordering:
Output ranges: 0 to 1 mA, 0 to 5 mA, 0 to 10 mA,
4 to 20 mA
Maximum load: 12 kΩ for 0 to 1 mA output,
2.4 kΩ for 0 to 5 mA output,
1.2 kΩ for 0 to 10 mA output,
600 kΩ for 4 to 20 mA output
Isolation: Fully isolated
Accuracy: ±1% of full scale
Response time: 100% indication in less than 6 power
system cycles (100 ms at 60 Hz)
SOLID STATE TRIP
Make and carry: 15 A at 250 V DC for 500 ms
2.2.8 OUTPUT RELAYS
Relay contacts must be considered unsafe to
touch when the 750/760 is energized! If the output
relay contacts are required for low voltage acces-
sible applications, it is the customer’s responsibil-
ity to ensure proper insulation levels.
CONFIGURATION
Number: 8
Type: Trip (1) and Close (2) Relays: Form A
Auxiliary Relays 3 to 7: Form C
Self-Test Warning Relay 8: Form C
Contact material: silver alloy
Contact durability: 100 000 operations (at 1800 operations/
hour) at rated load
FORM A CONTACT RATINGS
Applicability: Trip and Close Relays (Relays 1 and 2)
Make: 30 A (per ANSI/IEEE C37.90)
Carry: 20 A continuous
Break (DC): 300 W resistive,
150 W inductive (L/R = 40 ms)
Break (AC): 5000 VA resistive
5000 VA inductive (PF = 0.4)
FORM C CONTACT RATINGS
Applicability: Auxiliary Relays 3 to 7
Self-Test Warning Relay (Relay 8)
Make: 30 A (per ANSI/IEEE C37.90)
Carry: 10 A continuous for 15 seconds
5 A continuous
Break (DC): 150 W resistive,
90 W inductive (L/R = 40 ms)
Break (AC): 1250 VA resistive
500 VA inductive (PF = 0.4)
2.2.9 CPU
COMMUNICATIONS
Baud rate: 300 to 19200 baud
Parity: programmable
Protocol: Modbus RTU or DNP 3.0 protocol
EEPROM
100000 program/erase cycles max.
CLOCK
Resolution: 1 ms
Accuracy with IRIG-B: ±1 ms
Accuracy without IRIG-B: ±1 minute/month
Backup battery life: 10 years continuous use
WARNING
Courtesy of NationalSwitchgear.com

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the GE Feeder Management Relay 750 and is the answer not in the manual?

GE Feeder Management Relay 750 Specifications

General IconGeneral
BrandGE
ModelFeeder Management Relay 750
CategoryProtection Device
LanguageEnglish

Related product manuals