Degree Of Protection - Siemens 1PH728 Series Operating Instructions Manual

Description
2.5.5

Degree of protection

The three-phase motors of the 1PH7 series are built to degree of protection IP 55
in accordance with EN 600034-5 (or IEC 34-5).
The shaft gland at the drive end (D-end) is built to degree of protection IP 54 as
standard.
The standard version of the motors is not suitable for operation in a salt-laden or
corrosive atmosphere, nor for installation outdoors.
2-8
SIEMENS AG - Operating Instructions
Three-phase induction motor 1PH728.