Surface protection

The drive unit is optionally available with the following variants of surface protection.

Surface protection	Sample applications
Standard	Suitable for machines and systems in buildings and enclosed rooms with neutral atmospheres. Similar to corrosivity categoryAccording to DIN EN ISO 12 944‑2: C1 (negligible)	Machines and systems in the automotive industry Conveyor systems in logistics areas Conveyor systems at airports
OS1	Suited for environments prone to condensation and atmospheres with low humidity or contamination, such as applications outdoors under roof or with protection. Similar to corrosivity categoryAccording to DIN EN ISO 12 944‑2: C2 (low)	Systems in saw mills Hall gates Agitators and mixers
OS 2	Suited for environments with high humidity or moderate atmospheric contamination, such as applications outdoors subject to direct weathering. According to corrosivity categoryAccording to DIN EN ISO 12 944-2: C3 (moderate)	Applications in gravel plants Cable cars

Surface protection

Ambient conditions

Sample applications

Standard

Suitable for machines and systems in buildings and enclosed rooms with neutral atmospheres.

Similar to corrosivity categoryAccording to DIN EN ISO 12 944‑2:

C1 (negligible)

Machines and systems in the automotive industry
Conveyor systems in logistics areas
Conveyor systems at airports

OS1

Suited for environments prone to condensation and atmospheres with low humidity or contamination, such as applications outdoors under roof or with protection.

Similar to corrosivity categoryAccording to DIN EN ISO 12 944‑2:

C2 (low)

Systems in saw mills
Hall gates
Agitators and mixers

OS 2

Suited for environments with high humidity or moderate atmospheric contamination, such as applications outdoors subject to direct weathering.

According to corrosivity categoryAccording to DIN EN ISO 12 944-2:

C3 (moderate)

Applications in gravel plants
Cable cars

The designs with the OS2 surface protection are only available after consulting with SEW-EURODRIVE.

Surface protection	Ambient conditions	Sample applications
High Corrosion Protection HCP200/HCP200FOnly in connection with the optional design for wet areas		For wet areas in the food and beverage industry with regular acidic and caustic wet cleaning. Additional with HCP200F: Operation in ambient conditions with requirements regarding the food grade approval according to US FDA (no. 21 CFR §175.300)	Conveyors in the beverage industry "Splash zones" in the food industry

Surface protection

Ambient conditions

Sample applications

High Corrosion Protection HCP200/HCP200FOnly in connection with the optional design for wet areas

For wet areas in the food and beverage industry with regular acidic and caustic wet cleaning.

Additional with HCP200F: Operation in ambient conditions with requirements regarding the food grade approval according to US FDA (no. 21 CFR §175.300)

Conveyors in the beverage industry
"Splash zones" in the food industry

For designs with the HPC200 or HPC200F surface protection, follow the instructions in the addendum "MOVIGEAR^® drive unit type MGF..-..-C – "Wet-area design /WA" and "Integrated pressure compensation in the gear unit /PG" options".