3US6640-3C
Product ID:195742
Updated: 2026/7/2

Key Features
- 1Provide high-performance motor protection with a 10A tripping class.
- 2Ensure reliable operation in demanding industrial environments.
- 3Simplify integration with 1 NO + 1 NC auxiliary contacts.
- 4Meet key industry standards including eClass 5.1/6/9 and ETIM 7.
- 5Reduce long-term maintenance costs through durable construction.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Operating Ambient Temperature | -40~+70°C | Operating Altitude | 2000m |
| Rated Voltage | AC400V | Matching Contactor | S10/S12 [3TS54/55/56] |
| Mounting Method | Plug-in Installation with Contactor | Specification | S10/S12 |
| Load Class | CLASS 10 | Current Setting Range | 170-205A |
| Rated Current (AC-3) | Maximum 400A for S10/S12 size | Product Series | 3US5/6 Series |
| Lifecycle | Delivery Release (PM300) | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3US6640-3C |
Specifications may be subject to change without notice
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