UL 60335-2-4 / -2-7
UL 60335-2-4 covers spin extractors (centrifugal dehydrators), while UL 60335-2-7 covers washing machines for household use. Both supplement UL 60335-1.
Key Test Areas:
1. Mechanical safety for rotating parts
2. Water ingress protection
3. Motor overload and thermal protection
4. Door interlock and safety systems
5. Abnormal operation testing (drain blockage, imbalance)
Project Details
UL 60335-2-4 applies to household spin extractors. UL 60335-2-7 applies to household washing machines, including automatic and semi-automatic types.