Connection
8.4 Connection cross-sections
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
108 Manual, 09/2016, A5E03656507420A/RS-AB/003
Table 8- 7 Main conductor connection of size S2 with through-hole technology
Electronic overload relay
The maximum diameter of the opening is
12.8 mm.
Table 8- 8 Main conductor connection of size S3 with through-hole technology
Electronic overload relay
The maximum diameter of the opening is
18 mm.
Table 8- 9 Main conductor connection of size S6 with through-hole technology
Electronic overload relay
The maximum diameter of the opening is
24.5 mm.
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