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11.4.1.3
Conductor cross-sections main circuit
Technical data for main circuit connection, 3RB30/3RB31 overload relays
Table 11- 13 Technical data for main circuit connection, 3RB30/3RB31 overload relays
Type
Size
Width
Connection type
Connection screw
•
Operating tool
•
Tightening torque
•
Conductor cross-sections (min. / max.), 1-wire or 2-wire
•
- Solid
- Finely stranded with end
sleeve
- AWG cables, solid or stranded
Connection type
Operating tool
•
Conductor cross-sections (min./max.)
•
- Solid
- Finely stranded without end
sleeve
- Finely stranded with end
sleeve (DIN 46228 Part 1)
- AWG cables, solid or
stranded
If two different conductor cross-sections are being connected to one clamping point, both cross-sections must be
1)
located in the range indicated. If identical cross-sections are used, this restriction does not apply.
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
Manual, 09/2014, A5E03656507420A/RS-AA/002
11.4 3RB30/3RB31 solid-state overload relays
3RB301.,
3RB311.
S00
45 mm
Screw connection
M3, Pozidriv size 2
∅ 5 ... 6
Nm
0,8 ... 1,2
mm
2 x (0.5 to 1.5)
2
1)
2 x (0.75 to 2.5)
1)
2 x (0.5 to 4)
1)
mm
2 x (0.5 to 1.5)
2
1)
2 x (0.75 to 2.5)
1)
AWG
2 x (20 to 16)
1)
2 x (18 to 14)
1)
2 x 12
1)
Spring-loaded connection
∅ 3.0 x 0.5 and ∅ 3.5 x 0.5
mm
1 x (0.5 to 4)
2
mm
1 x (0.5 to 2.5)
2
mm
1 x (0.5 to 2.5)
2
AWG
1 x (20 to 12)
Technical data
3RB302.,
3RB312.
S0
45 mm
M4, Pozidriv size 2
∅ 5 ... 6
2 ... 2,5
2 x (1 to 2.5)
1)
2 x (2.5 to 10)
1)
2 x (1 to 2.5)
1)
2 x (2.5 to 6)
1)
max. 1 x 10
2 x (16 to 12)
1)
2 x (14 to 8)
1)
1 x (1 to 10)
1 x (1 to 6)
1 x (1 to 6)
1 x (18 to 8)
127
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