SIRIUS 3RR2 current monitoring relays   
8.9 Accessories 
  SIRIUS Innovations 
732  System Manual, 01/2011, A8E56203870002-03 
8.9.3  Sealable cover 
8.9.3.1  Description 
A sealable cover compatible for use with all sizes (3RR2940) is available for the digital and 
analog setting current monitoring relays.  
The sealable cover is used to protect the rotary buttons and the slide switch on the analog 
current monitoring relay and the buttons on the digital current monitoring relay against 
unauthorized or unintentional manipulation. 
8.9.3.2  Mounting 
The diagram below shows an example mounting scenario based on mounting the sealable 
cover on the 3RR21 analog setting current monitoring relay, size S0. The mounting 
sequence for the sealable cover for S00 is exactly the same as that for S0.  
Table 8- 12  Mounting the sealable cover on the current monitoring relay 
Step  Operating instruction   Figure 
1  Remove the key from the 
cover.  
2  Insert the key into the 
designated opening. 
3  Attach the hooks on the 
cover to the openings on 
the current monitoring 
relay. 
4  Tilt the cover down. 
5  Lock the cover with the key 
connector to secure it 
against unauthorized 
removal.