890CS & 890CD Common Bus Units   
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D  Page 4-5 
8 
9 
10 
11 
 
B 
C 
D 
1 
2 
3 
4 
5 
6 
7 
E 
8 
9 
1 
2 
3 
4 
5 
6 
E 
890 Operating Conditions 
Humidity 
Maximum 85% relative humidity at 40°C (104°F) non-condensing 
Atmosphere  Non flammable, non corrosive and dust free 
Climatic Conditions  Class 3k3, as defined by EN50178 (1998) 
Vibration  The product has been tested to the following specification: 
Test Fc of EN60068-2-6 
10Hz<=f<=57Hz sinusoidal 0.075mm amplitude 
57Hz<=f<=150Hz sinusoidal 1g 
10 sweep cycles per axis on each of three mutually perpendicular axis
 
Safety 
Pollution Degree
 
 
Pollution Degree ll (non-conductive pollution, except for temporary 
condensation)  
Europe
When fitted inside an enclosure, this product conforms with the Low 
Voltage Directive 73/23/EEC with amendment 93/68/EEC, Article 13 
and Annex III using EN50178 (1998) to show compliance. 
North America/ Canada
Complies with the requirements of UL508C as an open-type drive.