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Connection
8.4 Connection cross-sections
8.4.3
Conductor cross-sections for ring cable lug connection system
Conductor cross-sections for ring cable lug connection system
The tables below define the permissible conductor cross-sections for main terminals and
auxiliary conductor connections in sizes S00 and S0 for ring cable lug connection systems.
Table 8- 11
Main conductors and auxiliary conductors of size S00 with M3 combination screws
Tool
Tightening torque
Ring cable lug
1)
Table 8- 12
Main conductors and auxiliary conductors of size S0 with M4 combination screws
Tool
Tightening torque
Ring cable lug
1)
The following ring cable lugs are approved for achieving the required clearances and
1)
creepage distances:
● For applications according to IEC 60947-1:
– DIN 46237 (with insulating sleeve)
– JIS CS805 type RAV (with insulating sleeve)
– JIS CS805 type RAP (with insulating sleeve)
● For applications according to UL 508:
– DIN 46 234 (without insulating sleeve)
– DIN 46225 (without insulating sleeve)
– JIS CS805 (without insulating sleeve)
72
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
SIRIUS devices
Pozidriv size 2,
Ø 5 to 6 mm
0.8 to 1.2 Nm
d
= min. 3.2 mm
2
d
= max. 7.5 mm
3
SIRIUS devices
Pozidriv size 2,
Ø 5 to 6 mm
2.0 to 2.5 Nm
d
= min. 4.3 mm
2
d
= max. 12.2 mm
3
Manual, 09/2014, A5E03656507420A/RS-AA/002
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- 3Ru21 Thermal Overload Relays
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