GE Multilin 745

Introduction
745
Transformer Management Relay
Overview
http://www.GEindustrial.com/multilin
2–3
GE Multilin
FIGURE 2–1: Single Line Diagram
Order Codes The order codes for the 745 Transformer Management Relay are shown in the fol-
lowing table.
Table 2–1: 745 Order Codes
745 – * – * – * – * – * – *
Base Unit 745 | | | | | | 745 Transformer Management Relay
Windings per
phase
W2 | | | | | Two windings per phase
W3 | | | | | Three windings per phase
Phase
current input
ratings
P1 | | | | Winding 1 = 1 A, Winding 2 = 1 A, Winding 3 = 1 A
P5 | | | | Winding 1 = 5 A, Winding 2 = 5 A, Winding 3 = 5 A
P15 | | | | Winding 1 = 1 A, Winding 2 = 5 A
P51 | | | | Winding 1 = 5 A, Winding 2 = 1 A
P115 | | | | Winding 1 = 1 A, Winding 2 = 1 A, Winding 3 = 5 A
P151 | | | | Winding 1 = 1 A, Winding 2 = 5 A, Winding 3 = 1 A
P155 | | | | Winding 1 = 1 A, Winding 2 = 5 A, Winding 3 = 5 A
P511 | | | | Winding 1 = 5 A, Winding 2 = 1 A, Winding 3 = 1 A
P515 | | | | Winding 1 = 5 A, Winding 2 = 1 A, Winding 3 = 5 A
P551 | | | | Winding 1 = 5 A, Winding 2 = 5 A, Winding 3 = 1 A
Ground
current input
ratings
G1 | | | Winding 1/2 = 1 A, Winding 2/3 = 1 A
G5 | | | Winding 1/2 = 5 A, Winding 2/3 = 5 A
G15 | | | Winding 1/2 = 1 A, Winding 2/3 = 5 A
G51 | | | Winding 1/2 = 5 A, Winding 2/3 = 1 A
Control
power
LO | | 40 to 60 V DC; 20 to 48 V AC at 48 to 62 Hz
HI | | 90 to 300 V DC; 70 to 265 V AC at 48 to 62 Hz
Options A | Analog Inputs/Outputs
L | Loss of Life
R | Restricted Ground Fault
Display B Basic display
E Enhanced display, larger LCD