7SR21 & 7SR22 - Installation Guide
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©2018 Siemens Protection Devices Limited
Section 3: Dimensions and Panel Fixings
3.1
Relay Dimensions and Weight
Relays are supplied in the modular size E6, E8 or E12
The following drawings are available which give panel cut-out and mounting details.
NOTE:
THE 3.6 HOLES ARE FOR M4 THREAD FORMING (TRILOBULAR) SCREWS. THESE ARE SUPPLIED AS STANDARD AND ARE SUITABLE FOR
USE IN FERROUS / ALUMINIUM PANELS 1.6mm THICK AND ABOVE. FOR OTHER PANELS, HOLES TO BE M4 CLEARANCE (TYPICALLY 4.5
DIAMETER) AND RELAYS MOUNTED USING M4 MACHINE SCREWS, NUTS AND LOCKWASHERS (SUPPLIED IN PANEL FIXING KIT).
2) ACCESS CLEARANCE REQUIRED FOR OPTIONAL ETHERNET COMMS MODULE RETAINING SCREW
Case Earth connection
TOP VIEW
Optional
ethernet
comms
module
FRONT
See note 2
PANEL CUT-OUT
1
68
130
150
1
59
10
Diameter 3.6 - 4 holes (see note)
FRONT VIEW
155.5
17
7
SIDE VIEW
31
216.5
15
1
.5
11
Case Earth
connection
Typical
when
fitted
MINIMUM CLEARANCES:
25mm FOR TERMINAL WIRING
45mm FOR ETHERNET COMMS MODULE
70mm FOR F/O COMMS CABLE
7
5 mm
MIN
CLE
ARA
NC
E
FOR
ETHERNET
COMM
S
W
IRING
Figure 3.1-1 Overall Dimensions (mm) and panel Drilling for Size E6 Epsilon case
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
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