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GEK-34053
LIST OF FIGURES
FIGURE
PAGE
1
Cutaway of Drawout Case Showing Position of Auxiliar y
Brush and Shorting Bar
20
2
Type IAC51 800 Series Relay Removed from Case
(Front View)
21
3
Type IAC51 800 Series Relay Removed from Case
(Rear View)
22
4
Type IAC51A 800 Series Relay Internal Connect ions
(Front View)
23
5
Type IAC51B 800 Series Relay Internal Connect ions
(Front View)
24
6
Type IAC52A 800 Series Relay Internal Connect ions
(Front View)
25
7
Type IAC52B 800 Series Relay Internal Connect ions
(Front View)
25
a
Time/Cu rrent Characte ristics of the Instanta neous Unit
26
9
Time/Cu rrent Characte ristics of 50Hz Types IAC51
and 1AC52 800 Series Relays
27
10
Time/Cu rrent Characte ristics of 60Hz Types IAC51
and 1AC52 800 Series Relay
28
11
Saturatio n Curves of Lowest Taps of the Inductio n Unit
of Type—TAC Relays with Inverse- Time Characte ristics
.
.
29
12
Outline and Panel Drilling for Types IAC51A,
IAC51B,
IAC52A, and IAC52B 800 Series Relays
30
13
Test Connect ions for Testing Pickup and Time Curves
of IAC Relays
31
14
External Connect ions of Four IAC51A Relays Used
for Multi-Ph ase and Phase—to—Ground Fault Protectio n
of a 3—Phase Circuit
32
15
External Connect ions of Four IAC52A Relays Protectin g a
3—Phase Circuit Against Multi-Ph ase and
Phase—to—Ground Faults
33
19
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