Installation and Commissioning
5
4
7
5
0
7
2
0
1
9
-0
9
25
Dimensions for keyboard with panel mounting
Figure 3.2
Keyboard with desktop housing (housing version -T3, [e.g., for VisuNet])
Note
Torque specifications
Tighten the screws for the EXTA3 keyboard and the housing interface to 0.7 Nm.
For the keyboard to be truly flush with the housing, the thickness of the housing must be at least
1.5 mm.
Note
When installed in North America, the
EXTA3-D2-T3-K*
variant is only suitable for use in the
following areas:
•
Class I, Division 2; Groups A, B, C, D: T5
•
Class I, Zone 2; Group IIC; T5
The
EXTA3-D4-T3-K*
variant is only suitable for use in the following areas:
•
Class I, Division 2; Groups A, B, C, D: T5
•
Class II, Division 2; Groups F, G; T5
•
Class III
•
Class I, Zone 2; Group IIC; T5
•
Class II, Zone 22; Group IIIB
•
Class III, Zone 22; Group IIIA
