Siemens SIRIUS 3RH Series, System Manual

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SIRIUS 3RR2 current monitoring relays
8.10 Technical data
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
747
8.10.3.3 Conductor cross-sections main circuit
Table 8- 25 Technical data for the main circuit connection, 3RR22 current monitoring relays
Type 3RR2241 3RR2242
Size S00 S0
Width 45 mm 45 mm
Connection type Screw connection

Connection screw
M3, Pozidriv size 2 M4, Pozidriv size 2
 Operating tool ∅ 5 to 6 ∅ 5 to 6
 Tightening torque Nm 0.8 to 1.2 2 to 2.5

Conductor cross-sections (min./max.), 1-wire or 2-wire
- Solid mm
2
2 x (0.5 to 1.5)
1)
2 x (0.75 to 2.5)
1)
2 x (1 to 4)
1)
2 x (1 to 2.5)
1)
2 x (2.5 to 10)
1)
- Finely stranded with end sleeve
(DIN 46228 Part 1)
mm
2
2 x (0.5 to 1.5)
1)
2 x (0.75 to 2.5)
2)
2 x (1 to 2.5)
1)
2 x (2.5 to 6)
1)
max. 1 x 10
- AWG cables, solid or stranded AWG 2 x (20 to 14)
1)
1 x 12
1)
2 x (16 to 12)
1)
2 x (14 to 8)
1)
Connection type Spring-loaded connection

Operating tool
∅ 3.0 x 0.5

Conductor cross-sections (min./max.)
- Solid mm
2
1 x (0.5 to 4) 1 x (1 to 10)
- Finely stranded without end sleeve mm
2
1 x (0.5 to 2.5) 1 x (1 to 6)
- Finely stranded with end sleeve
(DIN 46228 Part 1)
mm 2 1 x (0.5 to 2.5) 1 x (1 to 6)
- AWG cables, solid or stranded AWG 1 x (20 to 12) 1 x (18 to 8)
1)
If two different conductor cross-sections are being connected to one clamping point, both cross-sections must be
located in the range indicated. If identical cross-sections are used, this restriction does not apply.