Accessories
10.6 Covers for ring cable lug connections
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
Manual, 09/2014, A5E03656507420A/RS-AA/002
99
Table 10- 15 Mounting the sealable cover on the 3RB30/3RB31 overload relay
Step
Operating instruction
Figure
1 / 2
Attach the hooks on the cover to the openings on the
overload relay and fold the cover up.
3
Seal the cover to secure it against unauthorized
removal.
10.6
Covers for ring cable lug connections
10.6.1
Description
Function
Covers must be fitted to thermal overload relays with ring cable lug connection system to
achieve finger-safety according to IEC 61140. Both line-side and output-side covers are
available.
Additional covers are not required for devices with spring-loaded and screw-type connection
systems.
Size S00, 3RU2116
Size S0, 3RU2126