Siemens Sicop Spare Main Contact Kit Suitable for 3TF42 Contactor | 3TY7420-0A

🔹 Siemens SICOP Spare Main Contact Kit – 3TY7420-0A (for 3TF42 Contactor)

The Siemens 3TY7420-0A is a SICOP spare main contact kit designed for Siemens 3TF42 3-pole power contactors. It is used to replace worn or damaged main power contacts inside the contactor, restoring proper electrical performance and ensuring reliable switching in industrial applications.

This kit typically includes a complete set of main contact elements (fixed and moving contacts) required for full phase replacement. It helps maintain proper current conduction, reduces arcing, and improves the operational life of the contactor without replacing the entire unit.

It is widely used in motor control centers (MCC), industrial automation panels, pumps, compressors, and power distribution systems, where frequent switching of electrical loads is required.

🔹 Key Features

• Siemens SICOP Main Contact Kit
• Model: 3TY7420-0A
• Suitable for Siemens 3TF42 (approx. 32A–38A frame class) 3-pole contactor
• Complete set of fixed & moving contacts for replacement
• Restores switching performance of worn contactors
• Reduces arcing and improves electrical reliability
• Heavy-duty industrial contact material
• Designed for AC-3 motor duty applications
• Easy maintenance without full contactor replacement
• Suitable for MCC and industrial automation systems
• Compatible with Siemens 3TF series contactors