Page 659 - Wago_AutomationTechnology_Volume3_2015_US.pdf

Mounting Options Based on Application 11

657

– carrier with grounding foot, busbar parallel to the rail – isolated mounting carriers for a common shield (screen) reference potential,
independent of the housing potential

– U-shaped copper busbar 10 mm (0.394 in) x 3 mm (0.118 in) – snap into any metal plate up to max. thickness 3 mm/0.118 in

Negative shield (screen) attenuation Shield (screen)
4
clamping saddle size <_ _> > <
X
dB Distance X max. 3 <_____
0 11 mm 9.5 mm
- 10 14
Distance Y <__ __> 2 <
- 20 19 mm 17.5 mm > >
27 mm 25.5 mm
- 30
43 mm 41.5 mm <________ ________>
Y
- 40
- 50
- 60
Admissible limiting value Hole dimensions for panel mounting 11
- 70
The WAGO shield (screen) connecting system is highly effective
- 80
because the clamping unit can be brought very close to the
- 90
unshielded part of the cable. Additionally, the spring material is
-100
0.01 0.1 1 10 100 part of the clamping saddle, giving good electrical connection
MHz
and compensating for any deformation in the braiding. The system
also acts as a partial strain relief.