Siemens SIRIUS 3UG4 - Accessories for 3 UG4 Monitoring Relays

13.2 Accessories for 3UG4 monitoring relays
13.2.1 Sealable cover
Description
There is a uniform sealable cover for the monitoring relays with an overall width of 22.5 mm.
The sealable cover can be used to secure the actuators (rotary buttons, sliding switches, and
keys) of the monitoring relays against unauthorized or unintentional manipulation.
Siemens also o󹪜ers a sealable membrane (3TK2820-0AA00) for securing the monitoring relays
with analog setting. The sealable membrane is a󹪟xed to the front of the device and secures
rotary buttons and sliding switches against unintentional manipulation.
Note
The sealable membrane does not protect keys against unauthorized or unintentional
manipulation.
Mounting
The 󹪝gure below shows how to attach the 3RP1902 sealable cover to the monitoring relay.
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① Break o󹪜 the clip on the sealable cover.
② Insert the sealable cover into the openings on the monitoring relay.
③ Fold up the sealable cover.
④ Insert the clip into the opening until it engages.
⑤ Seal the clip to secure it against unauthorized removal.
Figure 13-6 Mounting the sealable cover on the monitoring relay
Accessories
13.2 Accessories for 3UG4 monitoring relays
SIRIUS 3UG4 / 3RR2 monitoring relay
246 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005