7SA511 Line Protection Relay

Chapter 4

4.7 Mounting the Relay

Figure 4-7 shows the mounting dimensions for the 7SA511 relay, in the flush mount configuration.

 

 

 

 

1.16

 

8.7 ± 0.1

0.2 Diameter

 

 

 

 

9.65 ± 0.04

 

10.07± 0.01

10.47

 

 

 

 

0.29

 

0.21

Reset and

 

0.52

 

 

7.09 ± 0.02

paging buttons

 

 

 

 

8.13 ± 0.01

 

 

 

 

Switchboard cutout

0.25 Diameter

 

 

 

 

 

6.77

D:

Screw terminal - 1.75

Wire comp. term. - 1.18

Mounting plate

0.06

D

9.61

Front View

Side View

Rear View

Ground screw M5 See expanded view A

 

View A

Washer

Cable

 

Terminal

Screw

Braided cable

The relay must be properly grounded according to IEC 255-22. A braided cable must be used to carry high frequency currents. Do not attempt to use stranded wire.

Figure 4-7. Flush Mounting Diagram. (Dimensions are in inches.)

July 27, 1995

4-11

Page 71
Image 71
Siemens 7SA511 manual Mounting the Relay, View a