3RU1146-4KB1
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The Siemens 3RU1146-4KB1 is a high-quality overload relay designed for motor protection in industrial automation systems. It is engineered to safeguard motors by preventing damage due to overload conditions, ensuring reliable operation and extending equipment lifespan. This relay is sized for 57 to 75 Amperes, suitable for motors requiring robust protection with precise current monitoring. The 3RU1146-4KB1 offers easy standalone installation with screw terminal connections for both main and auxiliary circuits, facilitating seamless integration into control panels and machinery. Renowned for its durability and compliance with industrial standards, this overload relay from Siemens is ideal for use in various automation applications worldwide.
Key Features of Siemens 3RU1146-4KB1
- Current rating of 57 to 75 A, suitable for a wide range of motor sizes
- Class 10 trip characteristic for fast and reliable motor overload protection
- Size S3 relay frame compatible with various motor protection setups
- Manual and automatic reset options for flexible control
- Screw terminal connections for both main and auxiliary circuits ensuring secure wiring
- Standalone installation capability simplifies retrofit and new installations
- Robust construction designed for industrial environments
- Compatible with standard motor protection setups in factory control panels
Explore Siemens 3RU1146-4KB1 specifications for detailed parameters
| Specification | Details |
|---|---|
| Current Range | 57...75 A |
| Size | S3 |
| Trip Class | Class 10 |
| Main Circuit Connection | Screw terminals |
| Auxiliary Circuit Connection | Screw terminals |
| Reset Type | Manual/Automatic |
Applications / Use Case
This Siemens 3RU1146-4KB1 is commonly used in industrial automation worldwide. It is ideal for protecting motors in production line systems, packaging and conveyor operations, and factory control panels that require dependable overload protection. Its precise current regulation enhances machine safety and minimizes downtime, making it a critical component in automated process control and machine automation systems.
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