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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 3TY7540-0A
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Product Model3TY7540-0A
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Product ParametersMAIN CONTACT ELEMENTS
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Tariff Code8537101190
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Country of originGermany
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Place of shipmentXiamen, China
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Estimated Shipping Size13.5x11.5x3cm
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ManufacturerSiemens
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Weight0.45 kg
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Associated ContactorSiemens 3TF54
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Number of Poles3
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Movable Contacts3
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Rated Operational Voltage (Ue)Up to 690 V AC
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Rated Insulation Voltage (Ui)690 V AC
Description
3TY75400A
MAIN CONTACT ELEMENTS
FOR 3TF54
3 MOVABLE CONTACT
6 FIXED CONTACTS
MAIN CONTACT ELEMENTS
FOR 3TF54
3 MOVABLE CONTACT
6 FIXED CONTACTS
Information
Overview
Manuals
Technical notes
Product Applications
Safety & Maintenance Tips
Features:
- Direct OEM Compatibility
- Comprehensive 3-Pole Set
- Advanced Silver Alloy Tips
- High Thermal Durability
- Arc Erosion Resistance
The 3TY7540-0A Siemens Replacement contact kit may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 3TY7540-0A Replacement contact kit Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Each component in the 3TY7540-0A kit is manufactured to meet rigorous Siemens quality standards, featuring precision-machined contact carriers and high-conductivity tips. By replacing worn contacts with this original kit, operators can ensure reliable motor starting, prevent phase imbalance, and minimize the risk of overheating within the control cabinet. This is particularly critical in mission-critical applications—such as mining, metal processing, and heavy manufacturing—where unexpected downtime can result in significant financial losses. Using genuine 3TY series parts ensures that the contactor maintains its original arc-quenching capabilities and electrical safety ratings throughout its service life.
- Cranes & Hoists:High breaking capacity for heavy lifting
- Industrial Pumps:Manages variable flow & high motor loads in water treatment
- Large Compressors:Central HVAC & manufacturing plant air supply
- Steel & Power Plant Machinery:Robust switching for large industrial motors in harsh environments
- Mining Equipment:Dust-resistant & durable for harsh mining conditions
- Agricultural Machinery:Motor-driven irrigation & animal feeding devices
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Never Lubricate: Siemens contactors are designed for dry operation. Do not apply grease or solvents to the contact surfaces.
Check Arc Chute: It is recommended to replace the arc chamber after 3–4 contact kit exchanges to ensure proper arc extinguishing.
Mechanical Interlock: Note that with the arc chute removed, the contactor is often mechanically interlocked; do not attempt to energize the coil in this state.
FAQs
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What is the Siemens 3TY7540-0A?
+It is a main contact replacement kit (repair kit) designed for the Siemens 3TF54 series 3-pole contactor. -
What is included in the kit?
+The kit contains 3 movable contact pieces and 6 fixed contact pieces.r. -
Is this product still current?
+The 3TY7540-0A is listed as a product phase-out, with the 3RT1065 contactor listed as the successor.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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32D UNITS,GUOMAO BUILDING,NO 388 HUBIN SOUTH ROAD,SIMING DISTRICT,XIAMEN