Siemens siprotec 7SA522 User Manual

Installation and Commissioning
8-57SA522 Manual
C53000-G1176-C119-2
Figure 8-4 Installing a 7SA522 in a rack or cubicle (housing width
1
/
1
of 19 inch rack)
q Connect the plug terminals and/or the screwed terminals on the rear side of the de-
vice according to the wiring diagram for the rack.
When using forked lugs or directly connecting wires to screwed terminals, the
screws must be tightened so that the heads are even with the terminal block before
the lugs or wires are inserted.
A ring lug must be centred in the connection chamber so that the screw thread fits
in the hole of the lug.
Section 2.1 has pertinent information regarding wire size, lugs, bending radii, etc.
Panel Surface
Mounting
q Secure the device to the panel with four screws. Refer to Figure 10-7 or 10-8 in Sec-
tion 10.18 for dimensions.
q Connect the ground of the device to the protective ground of the panel. The cross-
sectional area of the ground wire must be greater than or equal to the cross-sec-
tional area of any other control conductor connected to the device. Furthermore, the
cross-section of the ground wire must be at least 2.5 mm
2
.
q Solid, low-impedance operational grounding (cross-sectional area ≥ 2.5 mm
2
) must
be connected to the grounding surface on the side. Use at least one M4 screw for
the device ground.
q Connect the screwed terminals on the top and bottom of the device according to the
wiring diagram for the panel. Section 2.2 has pertinent information regarding wire
size, lugs, bending radii, etc.
SIEMENS
SIPROTEC
1 2
6
3
+/-0
54
7 8 9
7SA522
RUN ERROR
MENU
ESC
LED
ENTER
F4
F1
F2
F3
0$,10(18 01/04
Annunciation 1
Measuring 2

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English