Siemens SIRIUS 3RU - Terminal Covers for Connections

Accessories
10.6 Covers for ring cable lug connections
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
Manual, 09/2016, A5E03656507420A/RS-AB/003
139
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
For connection of conductors with ring cable lugs, the box terminal blocks of the size S3
devices can be detached. You will find the available terminal covers in Chapter "Terminal
cover for cable lug connection and busbar connection (Page 140)".