Definite Purpose Contactors

Class 45 and Class 42
Siemens Class 45 and Class 42 Definite Purpose (DP) Contactors are back by popular demand! They can be ordered using our original part numbers for easy, direct replacement in fit, form, and function for all common DP contactor applications. The DP Contactor was developed for applications such as HVAC, refrigeration, fans, blowers and welders for OEMS and manufacturers of machinery. However, the market for DP contactors has grown to include many more commercial, construction and industrial applications
Siemens DP Contactor Features:
Advanced Features are standard for the entire DP Contactor Family
Class 45 and 42 DP Contactors have industry standard mounting but they offer so much more. The Siemens DP Contactors with their compact sizing save space allowing for smaller panels, more wiring room, and easy retrofits. The quick connect for power and control wires reduce installation and retrofit times. In order to reduce maintenance, provide longer life, and improve performance the Siemens DP Contactor family has a fully encapsulated body to reduce the penetration of dust and other contaminants. Other features include visual contact position indication, weld-resistant silver cadmium oxide contacts, Class F coil insulation and quiet operation.