7SR21 & 7SR22 Argus Description of Operation
Figure 2.5-1 7SR22 with 3 + 16 LEDs in E8 Case
Figure 2.5-2 7SR22 with Function Keys and 3 + 8 LEDs in E8 Case
NOTE: Pushbuttons on cover not shown
The fascia is an integral part of the relay. Handles are located at each side of the element to allow it to be
withdrawn from the relay case.
©2010 Siemens Protection Devices Limited
Chapter 1 Page 16 of 71