Siemens 3RS2

11.3 Connection data for terminals
Speci󹪝cation and value for removable ter‐
minals with screw terminals
Speci󹪝cation and value for removable ter‐
minals with spring-type terminals (push-in
terminals)
Screwdriver Cross-tip screwdriver
Size: PZ 1 x 80 (∅ 4.5 mm)
Torque: 0.6 … 0.8 Nm (5.2 ... 7.0 lb/inch)
Flat-head screwdriver (3RA2908-1A)
Size: 3 mm for operating the springs DIN 5264-
A; 0.5 x 3
Rigid cable
$
A = 10 mm
1 x 0.5 ... 4.0 mm
2
2 x 0.5 ... 2.5 mm
2
A = 10 mm
1 x 0.5 ... 4.0 mm
2
Flexible conductor with end
sleeve
$
A = 10 mm
1 x 0.5 ... 4.0 mm
2
2 x 0.5 ... 1.5 mm
2 1)
A = 10 mm
1 x 0.5 ... 2.5 mm
2
2 x 0.5 … 1.5 mm
2
in shared ferrule
1)
Flexible cable
$
Not permissible A = 10 mm
1 x 0.5 ... 4.0 mm
2
AWG 1 x 20 … 12
2 x 20 … 14
1 x 20 … 12
1) When 2 x 1.0 mm
2
end sleeves with a plastic sleeve are used, space problems may arise with the sleeves; as an alternative, you
are advised to use end sleeves without plastic sleeves.
11.4 Terminal assignment
Location of the connections
The inside faces of the terminal covers are labeled with the designations of the relevant
terminals. The position of the label corresponds to the position of the respective terminal.
NOTICE
Risk of property damage
When using the terminals, you must observe the correct position of the terminals (see inside
of cover).
Connection
11.4 Terminal assignment
3RS2 temperature monitoring relay
76 Equipment Manual, 02/2022, A5E42462552002A/RS-AB/002