Siemens SIRIUS 3RN2 User Manual

Connection
6.2 Connection data for terminals
SIRIUS 3RN2 thermistor motor protection relay
38 Manual, 10/2016, A5E34244868002A/RS-AA/001
6.2
Connection data for terminals
Specification and value for
removable terminals with screw-
type terminals
Specification and value for
removable terminals with spring-
loaded 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
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.

Siemens SIRIUS 3RN2 Specifications

General

Brand	Siemens
Model	SIRIUS 3RN2
Category	Measuring Instruments
Language	English