The Impress Protection of HDA 120 is IP21.

IP21 (Ingress Protection 21) is a rating system that defines the level of protection provided by an enclosure against the ingress of solid objects and dripping water. The IP rating system is a standard defined by the International Electrotechnical Commission (IEC).

In the case of IP21, the first digit “2” indicates that the enclosure provides protection against the ingress of solid objects larger than 12.5mm, such as fingers or small tools. The second digit, “1,” indicates that the enclosure provides protection against vertically dripping water.

In practical terms, IP21 is a relatively low level of protection and is often found in indoor environments where the equipment is not exposed to harsh conditions. Enclosures with IP21 protection are not sealed against dust or water spray and may not be suitable for use in dusty or wet environments.

The Impress Protection of HDA 120 is IP21.

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