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Replacement Contact Kits for Siemens 3RT Series,3RT1044/5044/1944-6A, 3RT1045/5045/1945-6A
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contactor repair kits, Replacement Contact Kits for Siemens 3RT Series AC Contactors,contactor accessories,contactor spare parts
3RT1044/5044/1944-6A, 3 Moving + 6 Stationary Silver Contacts, Direct Replacement for Original Parts,contactor repair kits,contactor accessories
Product Description
Key Advantages
- 1:1 Direct Replacement：Fully compatible with Siemens 3RT series contactors, including 3RT1044/5044/1944-6A, 3RT1045/5045/1945-6A, 3RT1046/5046/1946-6A, 3RT1446, 3RT1344, 3RT1054/5054/1954-6A, and more. No modification required, direct installation.
- High-Grade Silver Contacts：Equipped with Grade A silver alloy contacts with ≥85% silver content, which offers superior electrical conductivity, low heat generation, and excellent arc resistance, extending the service life of your contactor.
- Complete 3-Pole Kit：Each package contains 3 moving contacts and 6 stationary contacts, a full set for replacing the main contacts of a 3-pole AC contactor, meeting your maintenance needs.
- Reliable Electrical Performance：Matches the original contactor's 1NO+1NC auxiliary contact structure, plug-in connection, and air-type arc extinguishing performance, ensuring stable and safe operation of your electrical system.
- Cost-Effective Solution：Original quality performance at a fraction of the cost of genuine Siemens parts, perfect for industrial maintenance, equipment repair, and electrical projects.
Technical Specifications
- Product Name: Replacement Contact Kit for Siemens 3RT Series AC Contactors
- Compatible Models: 3RT1044/5044/1944-6A, 3RT1045/5045/1945-6A, 3RT1046/5046/1946-6A, 3RT1446, 3RT1344, 3RT1054/5054/1954-6A, etc.
- Contact Structure: 3 Moving + 6 Stationary Contacts (3-pole main contact set)
- Contact Material: Grade A Silver Alloy (≥85% Silver Content)
- Main Contact Quantity: 3 Poles
- Auxiliary Contact Form: 1NO + 1NC (for compatible models)
- Connection Type: Plug-in
- Arc Extinguishing Medium: Air
- Coil Frequency: 50Hz
- Application: Terminal Power Distribution, Industrial Control, Motor Control
| 英文属性 | 属性值（通用款） | 分规格补充说明 | |
|---|---|---|---|
| Product Name | 西门子 3RT 系列交流接触器专用触头触点 | Replacement Contact Kits for Siemens 3RT Series AC Contactors | |
| Compatible Models | 3RT1044/5044/1944-6A, 3RT1045/5045/1945-6A, 3RT1046/5046/1946-6A, 3RT1446, 3RT1344, 3RT1054/5054/1954-6A, etc. | Full 3RT series compatibility, direct replacement for original Siemens parts | |
| Contact Structure | 3 动 6 静（3 主触点套装） | 3 Moving + 6 Stationary Contacts (3-pole main contact set) | |
| Contact Material | 银点（A 级 85% 银含量起步） | Silver Alloy Contacts (Grade A, ≥85% Silver Content) | |
| Main Contact Quantity | 三极 | 3 Poles | |
| Auxiliary Contact Form | 1NO+1NC（适配对应型号） | 1 Normally Open + 1 Normally Closed (for compatible models) | |
| Connection Type | 插入式 | Plug-in Type | |
| Arc Extinguishing Medium | 空气式 | Air Type | |
| Coil Frequency | 50Hz | 50Hz | |
| Product Type | 交流接触器替换触头 | AC Contactor Replacement Contact Kit | |
| Application | 终端配电、工业控制、电机控制 | Terminal Power Distribution, Industrial Control, Motor Control | |
| Origin | 中国大陆 | Mainland China | |
| Customization | 否 | No | |
| Package Content | 1 套（3 动 6 静） | 1 Set (3 Moving + 6 Stationary Contacts) |
Package Included
FAQs (Replacement Contact Kits for Siemens 3RT Series AC Contactors)
Q1: What is this contact kit compatible with?
A1: This replacement contact set is designed for Siemens 3RT series AC contactors. It is a direct drop-in replacement for original Siemens contact parts, compatible with models including 3RT1044,3RT1045,3RT1046,3RT1054,3RT1055,3RT1056,3RT1064,3RT1065,3RT1066,3RT1075,3RT1076,3RT1023,3RT1024,3RT1025,3RT1026,3RT1033,3RT1034,3RT1035,3RT1036,3RT1446,3RT1344 and corresponding 50XX /19XX-6A variants.
Q2: What is included in this contact kit?
A2: The 3-pole main contact set contains 3 moving contacts + 6 stationary contacts.
Q3: What are the different quality grades available?
A3: We supply 3 grades: Grade B (50% silver content), Grade A (85% silver content), Grade A+ (85% silver with upgraded manufacturing). Higher silver grade delivers better arc resistance, lower contact resistance and longer service life under heavy load.
Q4: Can I use this set to replace the original Siemens contacts directly?
A4: Yes. It is engineered as a direct replacement. No modification required, fits the corresponding 3RT contactor perfectly.
Q5: What is the function of these contact kits?
A5: These are wearing spare parts for AC contactors. Replace worn, burnt or arced contacts to restore contactor performance, instead of buying a full new contactor to save maintenance cost.
Q6: Is this an original Siemens product?
A6: This is aftermarket replacement spare part, not genuine OEM Siemens product. It is fully compatible for maintenance replacement.
Q7: What application scenarios are these contacts used for?
A7: Widely used for industrial motor control, power distribution panels, automation equipment, HVAC systems and other equipment using Siemens 3RT series AC contactors.
Q8: How do I select the correct model contact kit for my contactor?
A8: Please check the model number printed on your existing 3RT AC contactor, match it with our compatible model list. If you are unsure, send your contactor model number to us for confirmation before ordering.
Q9: What is the difference between Grade A and Grade A+?
A9: Both have 85% silver content. Grade A+ adopts stricter production tolerance and surface treatment, better anti-welding and anti-ablation performance for high-frequency switching and heavy-duty working environment.
Q10: Do you offer bulk wholesale for industrial maintenance buyers?
A10: Yes, we support bulk orders for factories, electrical maintenance contractors and distributors. Contact us for volume discount.
Care Instructions
Care Instructions
