Siemens SIMATIC HMI IRD400 Operating Instructions Manual page 17

Dimensions of the mounting cut-out
The following figure shows the dimensions of the mounting cut-out and the clearances to be
observed when mounting several devices in a horizontal or vertical arrangement.
Configuration of the mounting cut-out
The following conditions must be met to ensure the degree of protection:
● The material at the mounting cut-out must be resistant to distortion.
● Material thickness at the mounting cut-out for IP65 degree of protection, or for
enclosure type 4X/type 12 (indoor use only): 2 mm bis 6 mm
● Permitted deviation from plane at the mounting cutout: ≤ 0.5 mm
This condition must be fulfilled for the mounted HMI device.
● Permitted surface roughness in the area of the mounting seal: ≤ 120 µm (R
NOTICE
Operation in the scope of UL508
For use on a flat surface of a Type 1 (indoor use only) Enclosure.
IRD400
Operating Instructions, 05/2018, A5E36790512-AC
Installing and connecting the display unit
3.1 Preparing for mounting
120)
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17