The SINAMICS G120 inverter chassis units are designed to comply with type "UL OPEN". The NEMA1 mounting kit is required to obtain a type 1 NEMA housing.
An inverter with the NEMA1 mounting kit can be operated in compliance with NEMA1 directives (NEMA 250-2003):
- Wall mounting without control cabinet in enclosed areas
- Protection against falling dirt ingress
- Personnel protection against accidental contact with housing
The NEMA1 mounting kit comprises the following components:
- Screen termination plate
- Screening plate for the Control Unit
- Cable duct
- Cover hood
- Cover