May be not.
in IEC 60335-2-41
6 Classification
This clause of Part 1 is applicable except as follows.
6.1 Modification:
Submersible pumps for use in swimming pools, when persons are in the pool, shall be
class III with a rated voltage not exceeding 12 V.
Other submersible pumps for use in water and other conducting liquids shall be class I or
class III. However, aquarium pumps may be class II.
Portable pumps for cleaning and other maintenance of swimming pools shall be class I or
class III.
Other pumps shall be class I, class II or class III.