I.L. 40-201.9
Power Automation and Protection Division
3-26
REL 352 Version 1.00
REL352 RELAY SYSTEM
CATALOG NUMBERING SCHEME
CATALOG DIGIT #
1
2
3
4
5
6
7
8
9
10
TYPICAL REL352 CATALOG #
M
P
6
A
1
P
B
F
R
G
TRIP / BFI / RI / RB CONTACTS
(DIGIT #3)
[6] = 6 TRIP, 6 BFI, 4RI, 2RB CONTACTS
[2] = 2 TRIP, 2 BFI, 4 RI, 2 RB CONTACTS
CURRENT INPUT
(DIGIT #4)
[A] = 1 AMP CT
[B] = 5 AMP CT
[C] = MOCT INPUTS (NOT AVAILABLE - FUTURE RELEASE)
BATTERY SUPPLY VOLTAGE
(DIGIT #5)
[1] = 48/60 VDC SINGLE SUPPLY
[2] = 110/125 VDC SINGLE SUPPLY
[3] = 220/250 VDC SINGLE SUPPLY
[4] = 48/60 VDC DUAL SUPPLIES
[5] = 110/125 VDC DUAL SUPPLIES
[6] = 220/250 VDC DUAL SUPPLIES
DISTANCE BACKUP RELAYING
(DIGIT #6)
[P] = BACKUP DISTANCE PROTECTION
[N] = NO BACKUP PROTECTION
PILOT SYSTEM COMMUNICATION
CHANNEL INTERFACE
(DIGIT #7)
[B] = BINARY I/O INTRFACE TO PLC (AM & FM), AUDIO TONE, ANALOG MICROWAVE
(OPTOISOLATED 24, 48, 125 VDC EXTERNAL POWER SUPPLY)
[F] = FUTURE (UNDEFINED)
TEST SWITCHES
(DIGIT #8)
[F] = FT-14 SWITCHES
[N] = NO FT-14 SWITCHES
REMOTE COMMUNICATION DEVICE (DIGIT #9)
[R] = RS-232C PONI
[C] = INCOM PONI
[B] = RS-232C W/IRG PORT PONI
ADDITIONAL FEATURES
(DIGIT #10)
[G] = OSCILLOGRAPHIC DATA STORAGE