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3RH21221KB40 | Sirius 3RH2 Contactor Relay (Auxiliary Contactor)
Product Overview
The 3RH21221KB40 is a high-quality auxiliary contactor relay from the Siemens Sirius 3RH2 series. Designed for reliable switching and control applications, this contactor relay is ideal for use in industrial automation, machinery, and control systems.
Key Features
- Rated Current: 10 A
- Contact Configuration: 2 Normally Open (NO) + 2 Normally Closed (NC)
- Coil Voltage: 24 V DC
- Compact Design: Space-saving and easy to install
- High Reliability: Ensures consistent performance in demanding environments
- Versatile Applications: Suitable for use in control circuits, signal switching, and more
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | Auxiliary Contactor Relay |
| Series | Sirius 3RH2 |
| Rated Current | 10 A |
| Contact Configuration | 2 NO + 2 NC |
| Coil Voltage | 24 V DC |
| Mounting Type | DIN Rail Mounting |
| Operating Temperature | -25°C to +60°C |
| Protection Class | IP20 |
Applications
The 3RH21221KB40 is widely used in various industrial and commercial applications, including:
- Control circuits in automation systems
- Signal switching in machinery
- Motor control applications
- Power distribution systems
- Building automation
Benefits
- Ensures safe and reliable switching operations
- Compact design saves space in control panels
- Easy to install and maintain
- Compatible with Siemens Sirius modular system
Compliance and Standards
The product complies with international standards, ensuring safety and reliability in various applications.
Warranty and Support
Siemens provides a standard warranty for this product. For technical support and warranty claims, contact Siemens customer service or an authorized distributor.
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