GE 745 Instruction Manual page 24

INTRODUCTION
745 – * –
Base unit 745
Windings per W2
phase
W3
Phase current
input ratings
Ground current
input ratings
Control power
Options
Display/Ethernet
Harsh environment
2–4
Table 2–1: 745 order codes
* – * – * – * – * – *
| | | |
| | |
| | |
P1 | |
P5 | |
P15 | |
P51 | |
P115 | |
P151 | |
P155 | |
P511 | |
P515 | |
P551 | |
G1 |
G5 |
G15 |
G51 |
LO
HI
| | | 745 Transformer Protection System
| | | Two windings per phase
| | | Three windings per phase
| | | Winding 1 = 1 A, Winding 2 = 1 A, Winding 3 = 1 A
| | | Winding 1 = 5 A, Winding 2 = 5 A, Winding 3 = 5 A
| | | Winding 1 = 1 A, Winding 2 = 5 A
| | | Winding 1 = 5 A, Winding 2 = 1 A
| | | Winding 1 = 1 A, Winding 2 = 1 A, Winding 3 = 5 A
| | | Winding 1 = 1 A, Winding 2 = 5 A, Winding 3 = 1 A
| | | Winding 1 = 1 A, Winding 2 = 5 A, Winding 3 = 5 A
| | | Winding 1 = 5 A, Winding 2 = 1 A, Winding 3 = 1 A
| | | Winding 1 = 5 A, Winding 2 = 1 A, Winding 3 = 5 A
| | | Winding 1 = 5 A, Winding 2 = 5 A, Winding 3 = 1 A
| | | Winding 1/2 = 1 A, Winding 2/3 = 1 A
| | | Winding 1/2 = 5 A, Winding 2/3 = 5 A
| | | Winding 1/2 = 1 A, Winding 2/3 = 5 A
| | | Winding 1/2 = 5 A, Winding 2/3 = 1 A
| | | 20 to 60 V DC; 20 to 48 V AC at 48 to 62 Hz
| | | 88 to 300 V DC; 70 to 265 V AC at 48 to 62 Hz
A | | Analog inputs/outputs
L | | Loss of life
R | | Restricted ground fault
B | Discontinued: Basic display
E | Enhanced display, larger LCD, two RS485 ports
T | Enhanced display, larger LCD, one RS485, Ethernet
H Harsh (chemical) environment conformal coating
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: OVERVIEW