Sealable Cover; Description; Mounting - Siemens SIRIUS 3RT Series System Manual

SIRIUS 3RR2 current monitoring relays
8.9 Accessories
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
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.
732
Figure
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03