Connection 3Tk2820 - Siemens 3TK28 Manual

Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3.6.2.7

Connection 3TK2820

Connection data for terminal blocks
Screwdriver
Rigid cable
Flexible cable with end
sleeve/cable lug
Flexible cable
38
Specification and value
in the case of removable
terminal blocks with screw-
type terminals
Cross-tip screwdriver
Size: PZ 1 (⌀ 4 mm)
Torque: 0.8 ... 1.2 Nm
A = 8mm
1 x 0.5 ... 2.5 mm
2
1 x AWG 20 to 14
2 x 0.5 ... 1.5 mm
2
2 x AWG 20 to 16
A = 8 mm
1 x 0.5 ... 2.5 mm
2
1 x AWG 20 to 14
2 x 0.5 ... 1.0 mm
2
2 x AWG 20 to 18
A = 8 mm
1 x 0.5 ... 2.5 mm
2
1 x AWG 20 to 14
2 x 0.5 ... 1.5 mm
2
2 x AWG 20 to 16
Specification and value
in the case of removable terminal blocks with spring-
loaded terminals
Screwdriver
Size: 0 or 1 (width to 3 mm) for raising the terminal
springs
DIN 5264-A; 0.5 x 3
A = 10 mm
1 x 0.5 ... 2.5 mm
2
1 x AWG 20 to 14
A = 10 mm
1 x 0.5 ... 1.5 mm
2
1 x AWG 20 to 16
A = 10 mm
1 x 0.5 ... 2.5 mm
2
1 x AWG 20 to 14
Manual, 07/2016, NEB926157502000/RS-AB/003
A = 12 mm
1 x 0.5 ... 4 mm
2
1 x AWG 20 to 12
A = 12 mm
1 x 0.5 ... 2.5 mm
2
1 x AWG 20 to 14
A = 12 mm
1 x 0.5 ... 4 mm
2
1 x AWG 20 to 12
3TK28 safety relays