Original Industrial Spare Part

Siemens 6GK7 277-1AA10-0AA0 | CSM 1277 Industrial Ethernet Switch Module

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SKU: 6GK7 277-1AA10-0AA0 PLC & Industrial Automation Modules Siemens

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6GK7 277-1AA10-0AA0 — Siemens CSM 1277 Compact Switch Module | Industrial-Grade Ethernet Connectivity

The Siemens 6GK7 277-1AA10-0AA0 is a purpose-built Compact Switch Module (CSM 1277) engineered for seamless Industrial Ethernet integration within SIMATIC S7-1200 PLC System environments. This unmanaged 4-port RJ45 switch delivers 10/100 Mbps full-duplex communication, enabling the S7-1200 controller to connect with up to three additional Ethernet nodes in a single compact footprint. Every unit supplied is 100% Brand New and Factory Sealed, sourced directly from authorized distribution channels to guarantee authenticity and full manufacturer traceability.

Procurement teams and site engineers who manage distributed Control Module architectures will find the 6GK7 277-1AA10-0AA0 indispensable for consolidating field-level Ethernet wiring without the overhead of managed switch configuration. Whether you are commissioning a new production line or replacing an end-of-life network component in an existing PLC System, this Original New Spare Parts solution eliminates compatibility risk and reduces downtime. Contact us today for a fast quotation and availability confirmation.

Backed by Siemens’ proven Industrial Automation heritage, the CSM 1277 is the trusted choice for engineers who demand precision, reliability, and plug-and-play simplicity in demanding process environments. Request your quote now and experience fast global fulfillment.

Technical Specifications & Selection Guide

Specification Value
Part Number (Full Model) 6GK7 277-1AA10-0AA0
Product Series CSM 1277 Compact Switch Module
Manufacturer Siemens AG
Switch Type Unmanaged Industrial Ethernet
Number of Ports 4 — RJ45 (10/100 Mbps, Auto-MDI/MDIX)
Compatible PLC System SIMATIC S7-1200
Power Supply 24V DC (External)
Diagnostics LED Status Indicators per Port
Protocol Support Industrial Ethernet / PROFINET
Net Weight 0.225 kg
Country of Origin Germany
RoHS Compliant Yes
EAN / Barcode 4019169854399
Condition 100% Original and Brand New

Selection Tip: The CSM 1277 is exclusively designed for SIMATIC S7-1200 rail-mount installations. For S7-1500 or larger distributed I/O networks requiring managed switching, consult our team for alternative Siemens SCALANCE solutions.

Typical Application Scenarios

✅ Automotive Manufacturing: Heavy-duty assembly lines rely on deterministic Ethernet communication between PLCs and servo drives. The Robust design of the 6GK7 277-1AA10-0AA0 withstands vibration and EMI interference common in press and welding cells, ensuring uninterrupted data flow across the Control Module network.

Power Plants & Energy Distribution: Substation automation and generator control panels demand high-availability Industrial Automation networks. This Compact Switch Module provides the reliable Ethernet backbone needed to connect protection relays, HMIs, and S7-1200 controllers without introducing single points of failure.

✅ Oil & Gas Processing: Remote pump stations and pipeline monitoring systems benefit from the CSM 1277’s compact form factor and wide operating temperature tolerance. Spare Parts availability is critical in these environments — our stock ensures rapid replacement to minimize production losses.

✅ Building Automation & HVAC: Facility management systems integrating PROFINET-based sensors, actuators, and BMS controllers leverage the CSM 1277 to expand S7-1200 network ports without additional cabinet space, reducing installation costs significantly.

✅ Pharmaceutical & Food Processing: Hygienic production environments require validated, Original New components with full documentation. The 6GK7 277-1AA10-0AA0 ships with complete factory documentation, supporting GMP compliance and audit traceability requirements.

Core Features & Technical Advantages

  • Zero-Configuration Deployment: Unmanaged architecture means no IP addressing or VLAN setup — connect and operate immediately, reducing commissioning time by hours.
  • Precision Port Expansion: Extends the S7-1200’s single PROFINET port to four independent 10/100 Mbps connections, enabling star topology without external switches.
  • Robust EMC Shielding: Designed to IEC 61000 industrial immunity standards, ensuring signal integrity in high-noise electrical environments.
  • Compact DIN-Rail Integration: Mounts directly alongside the S7-1200 CPU on standard 35mm DIN rail — no additional mounting hardware required.
  • Real-Time LED Diagnostics: Per-port link and activity LEDs provide instant visual feedback for network troubleshooting without test equipment.
  • 100% Original and Brand New: Every unit is factory sealed with Siemens original packaging, CE marking, and full E-E-A-T compliance documentation.

Logistics & Professional Service

  • 2-Day Express Shipping Available: Priority air freight to major global destinations. Standard DHL/FedEx international shipping typically delivers within 5-7 business days.
  • 1-Year Warranty: All units carry a full 12-month warranty against manufacturing defects, with direct RMA support from our technical team.
  • EOL & Legacy System Support: We maintain stock of discontinued and hard-to-find Siemens Industrial Automation Spare Parts, including obsolete CSM modules, to support legacy PLC System installations.
  • Full Documentation Package: Datasheet, CE Declaration of Conformity, and country-of-origin certificate available upon request for customs and compliance purposes.
  • Global Export Compliance: All shipments are accompanied by proper commercial invoices and HS code 8517.62 classification for smooth customs clearance worldwide.

FAQ — Frequently Asked Questions

Q1: What is the price of the Siemens 6GK7 277-1AA10-0AA0, and do you offer volume discounts?
A: Our listed price reflects competitive market positioning for genuine Original New stock. Volume discounts are available for orders of 5+ units. Contact sale@ninermas.com with your quantity requirement for a tailored quotation. Pricing is confirmed within 2 business hours.

Q2: What is the lead time for the 6GK7 277-1AA10-0AA0?
A: In-stock units ship within 1-2 business days. For larger quantities or special configurations, lead time is typically 3-7 business days. We will confirm exact availability when you submit your inquiry.

Q3: Can you provide a Datasheet or technical documentation for the CSM 1277?
A: Yes. The official Siemens Datasheet, installation manual, and product notice for the 6GK7 277-1AA10-0AA0 are available upon request. Email sale@ninermas.com and our engineering team will send the complete documentation package within 24 hours.

Q4: How can I verify that the product is 100% Original and Brand New?
A: Every 6GK7 277-1AA10-0AA0 unit we supply is sourced from authorized Siemens distribution channels. We provide the original factory packaging, Siemens holographic labels, and a Certificate of Authenticity. Batch traceability records are available for quality-critical applications.

Q5: Is the CSM 1277 compatible with SIMATIC S7-1500 or ET 200SP systems?
A: The CSM 1277 (6GK7 277-1AA10-0AA0) is specifically designed and certified for SIMATIC S7-1200 PLC System integration. For S7-1500 or ET 200SP applications, Siemens offers dedicated SCALANCE X series switches — contact us for recommendations.

Q6: Do you support urgent replacement orders for plant shutdowns?
A: Absolutely. We maintain emergency stock for critical Industrial Automation Spare Parts. Call +0086 187 5021 5667 directly for same-day processing and priority freight arrangements to minimize your downtime.


© 2026 NINERMAS COMPANY LIMITED. All rights reserved. Original Source: https://ninermas.com | Contact: sale@ninermas.com | +0086 187 5021 5667

Product Series

Siemens Simatic S5 & Specialty Modules

Country of Origin

DE

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