Siemens CSM 1277 Compact Switch Module - 6GK7277-1AA10-0AA0

Product Description

The Siemens CSM 1277 is a compact and robust unmanaged industrial Ethernet switch designed for easy integration with the SIMATIC S7-1200 PLC system. It features four RJ45 ports for connecting multiple network devices, making it ideal for small-scale industrial networks.

Product Specifications

- Manufacturer: Siemens
- Product Series: SIMATIC NET
- Type: Compact Switch Module CSM 1277
- Order Number: 6GK7277-1AA10-0AA0
- Input Voltage: 24V DC
- Input Current: 0.10 A
- Number of Ports: 4 x RJ45 (10/100 Mbit/s)
- Function: Unmanaged Switch
- Compatibility: Designed for SIMATIC S7-1200 Controller
- Certifications: Includes UL, ATEX, and FM approvals for use in various industrial environments, including potentially hazardous areas (CLI, DIV 2).

Product Label Info

Model Code / Product Markings: 6GK7277-1AA10-0AA0

GTIN (EAN): 4019169192404

Application

The Siemens CSM 1277 is typically used in industrial environments to expand Ethernet interfaces in the SIMATIC S7-1200 PLC system.

Country of Origin

This product is manufactured in Germany.

Method of Application

The CSM 1277 can be easily installed on a standard DIN rail alongside other PLC modules for space-saving network setup.

Safety Instructions

Ensure proper grounding and adhere to voltage range specifications during installation.

Availability

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Documentation

• Official datasheet or product page Siemens

Resources

Additional resources and manuals are available upon request. Contact us for details.

Internal & External Links

• All products from Siemens
• Explore similar products in Automation

Frequently Asked Questions

What is the Siemens CSM 1277 Compact Switch Module used for?

This part is typically used in industrial environments to expand Ethernet interfaces in the SIMATIC S7-1200 PLC system. It is known for its reliability and ease of integration.

What are the key advantages of the Siemens CSM 1277?

The Siemens CSM 1277 offers easy integration with the SIMATIC S7-1200 PLC system, compact design, and robust construction for industrial applications.

Is Siemens CSM 1277 compatible with my system?

If you're using Siemens control systems, especially the SIMATIC S7-1200 series, then the CSM 1277 will likely be compatible. Contact us to verify.

Alternatives to Siemens CSM 1277

If you're looking for a similar part, consider other unmanaged industrial Ethernet switches that offer compatibility with the SIMATIC S7-1200 PLC system.

Can I sell my surplus stock to PLC2DAY?

Yes, absolutely. At PLC2DAY, we provide solutions for surplus recovery, inventory clearance, and ongoing resale agreements. Contact us for more information.

Need Help?

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Last Update: 22/12/2025

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