Siemens 7XV75 - Page 4

7XV75 Test Switch
4 Siemens AG March 2021
Technical data
Voltage Terminals
Recommended use of the screwed terminals
Stripping length (when used without conductor sleeve)
L = 10 mm (0,39 in) or L = 12 mm (0,47 in);
max. wire cross-section AWG 16 (1.5 mm
2
),
use copper conductors only
When using conductor sleeves
Geometry for terminal cells according to EN 60947-7, class A1
must be complied with.
Permissible tightening torque at the terminal screw
0.8 Nm (7.1 lb.in.)
Sleeves length (wire range)
min. 10 mm (0.39 in) (e.g. DIN 46228-E1,5-10)
Current Terminals
Recommended use of the screwed terminals
Stripping length (when used without conductor sleeve)
L = 12 mm (0,47 in) or L = 14 mm (0,55 in);
max. wire cross-section AWG 12 (4,0 mm
2
),
use copper conductors only
When using conductor sleeves
Geometry for terminal cells according to EN 60947-7, class A4
must be complied with.
Permissible tightening torque at the terminal screw
1,2 Nm (10.6 lb.in.)
Sleeves length (wire range)
min. 12 mm (0.47 in) (e.g. DIN 46228-E4-12)
Grounding screw
Location on protection device
Permissible tightening torque at the grounding screw
1,2 Nm (10.6 lb.in.)
Nominal Values
The nominal values shown on the name plate of the device have to be observed.
Operating Temperature
Permissible temperature range for permanent operation:
- 5 °C (BU - 10 °C (+ 10 °F)) to + 55 °C (+ 23 °F to + 131 °F)
Operating Altitude
Maximum altitude above sea level: 2000 m
Degree of Protection (acc. to IEC 60529)
For use in environment with degree of pollution 2.