GE IAC77A Instructions Manual page 19

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LIST OF FIGURES
FIGURE
PAGE
1
Cross Section of Drawou t Case Showing Position
of Auxiliar y Brush
20
2
Type—1AC77 800 Series Relay Removed from Case
(Front View)
21
3 Type—1AC77 800 Series Relay Removed from Case
(Rear View)
22
4 Type—IAC77A 800 Series Relay Internal Connect ions
(Front View)
23
5 Type—IAC77B 800 Series Relay Internal Connect ions
(Front View)
24
6
Type—IAC78A 800 Series Relay Internal Connect ions
(Front View)
25
7 Type—IAC78B 800 Series Relay Internal Connect ions
(Front View)
26
8 Time/Cu rrent Curve of the Instanta neous Unit
. . .
27
9 Time/Cu rrent Charact eristics of 50 Hz
Types 1AC77 and 1AC78 800 Series Relays
28
10
Time/Cu rrent Charact eristics of 60 Hz
Types 1AC77 and 1AC78 800 Series Relays
29
11 Outline and Panel Drilling for the IAC78B Series Relay
30
12 Outline and Panel Drilling for Types TAC77A,
IAC77B and IAC78A 800 Series Relays
31
13 Test connect ions for Testing Pickup and Time Curve
of IAC Relays
32
14 Externa l Connect ions of Four IAC77A Relays Used
for Multi— Phase and Phase—to—Ground Fault Protecti on
of a 3—Phase Circuit
33
15
Externa l Connect ions of Four IAC78A Relays Protecti ng
a 3—Phase Circuit Against Multi— Phase and
Phase—to—Ground Faults
34
19