New Original Siemens 6GK7 277‑1AA10‑0AA0 CSM 1277 Unmanaged Industrial Ethernet Switch
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Siemens 6GK7 277‑1AA10‑0AA0 CSM 1277 Unmanaged Industrial Ethernet Switch
Product Overview
Siemens CSM 1277, order number 6GK7 277‑1AA10‑0AA0, is a compact unmanaged industrial Ethernet switch belonging to SIMATIC NET product family, specially designed for SIMATIC S7‑1200 PLC systemsIndustry M Equipped with four 10/100 Mbps RJ45 ports, it enables cost‑effective expansion of PROFINET and Industrial Ethernet networks, connecting S7‑1200 CPU together with HMI, drives and other field devices. It is plug‑and‑play without software configuration, supports line and star network topologies. Widely applied in small‑size automation stations, machine‑level control cabinets and distributed IO networking scenarios in manufacturing industrycache.indu
Main Functions
- Plug‑and‑play unmanaged switching function, no configuration software or parameter setting required before operation.
- 4 × RJ45 10/100 Mbps auto‑negotiation ports with auto‑MDI‑X crossover detection, compatible with standard and crossover Ethernet cablesManualsLib.
- Realize star‑shaped and line‑shaped Industrial Ethernet network topology for S7‑1200 automation system.
- LED status indicators for power supply and each port link‑activity for quick on‑site fault diagnosis.
- Support PRP parallel redundancy protocol for redundant network access of terminal equipment.
- DIN‑rail and wall‑mount installation options for flexible cabinet layout.
- Store‑and‑forward switching mechanism to handle Ethernet frame transmission between connected nodes.
Technical Features
- Unmanaged design, zero configuration for fast commissioning.
- Auto‑negotiation for 10 Mbps / 100 Mbps, full‑duplex / half‑duplex mode on each port.
- Auto‑MDI‑X function eliminates cable crossover requirement.
- Industrial grade IP20 protection for indoor cabinet installationdocs.rs-on
- Compact S7‑1200 module form factor, saves cabinet mounting space.
- Over‑current protection built‑in on power input terminal.
- Compliant with CE, UL 508 and CSA industrial standards.
- High MTBF value for stable long‑term operation in industrial cabinet environment.
- Not support ring‑redundancy topology.
Technical Data Table
| Item | Specification |
|---|---|
| Model | CSM 1277 |
| Order Code | 6GK7 277‑1AA10‑0AA0 |
| Brand | Siemens |
| Product Type | Unmanaged Industrial Ethernet Switch |
| Number of Ports | 4 × RJ45 |
| Port Speed | 10 / 100 Mbps, auto‑negotiation |
| Switching Mode | Store‑and‑Forward |
| Power Supply | DC 19.2 V ~ 28.8 V (nominal DC24V) |
| Rated Current | 0.07 A |
| Power Loss | 1.6 W |
| Protection Class | IP20 |
| Operating Ambient Temperature | 0 °C ~ +60 °C |
| Storage / Transport Temperature | -40 °C ~ +70 °C |
| Relative Humidity | Max 95 % RH, non‑condensing |
| Mounting Method | 35 mm DIN‑rail, wall mounting |
| Dimensions (W × H × D) | 45 mm × 100 mm × 75 mm |
| Net Weight | Approx 0.15 kg |
10 Similar‑function Siemens Industrial Ethernet Switch Products
- 6GK7 277‑1AA50‑0AA0 CSM1277 G2: Updated generation compact unmanaged switch for S7‑1200 series
- 6GK5 004‑0BA00‑1AB2 SCALANCE XB004: 4‑port unmanaged industrial Ethernet switch, DIN‑rail mounting
- 6GK5 008‑0BA10‑1AB2 SCALANCE XB008: 8‑port unmanaged 10/100Mbps industrial switch
- 6GK5 108‑0BA00‑2AC2 SCALANCE XC108: 8‑port unmanaged industrial Ethernet switch for cabinet application
- 6GK5 116‑0BA00‑2AC2 SCALANCE XC116: 16‑port unmanaged industrial Ethernet switch
- 6GK5 124‑0BA00‑2AC2 SCALANCE XC124: 24‑port unmanaged industrial Ethernet switch
- 6GK5 005‑0BA10‑1AB2 SCALANCE XB005: 5‑port compact unmanaged industrial switch
- 6GK5104‑0BA00‑2AC2 SCALANCE XC104: 4‑port unmanaged industrial Ethernet switch
- 6GK5 008‑0BD00‑1AB2 SCALANCE XB008G: 8‑port unmanaged Gigabit industrial Ethernet switch
- 6GK5 108‑2GS00‑2AC2 SCALANCE XCM108: 8‑port unmanaged switch with SFP fiber expansion slots
WHO WE ARE
About us
Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.
Atifts Technology Co., Ltd. @ 2024
Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers.
Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.
With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.
Where is your company located?
We are located next to Shanghai, the largest city in China, and Kunshan, the first economic county in China. With convenient transportation and developed logistics, it provides a good geographical advantage for our electronic components sales business.
What types of electronic components does your company mainly sell?
We are committed to providing many types and brands of electronic components, including but not limited to Sensors, Switches & Relays, Connectors, Circuit Protectio, Power Supplier & Cable, etc. We have established relationships with many well-known electronic component manufacturers. We have established long-term and stable relationships with many well-known electronic component manufacturers to ensure that the products we sell are of reliable quality and reasonable price.
What are the prices of your products?
Our product prices vary according to market conditions and product models. We are committed to providing high quality electronic components at fair and reasonable prices, and offer our customers a variety of incentives and flexible purchasing methods.
How to purchase your electronic components?
You can contact our customer service staff directly by phone, whatsapp, email, our official website. We support a variety of payment methods, and provide you with fast and safe logistics and distribution services.
How do you guarantee the quality of your products?
We attach great importance to product quality, all the electronic components we sell come from regular channels and undergo strict quality testing. We promise to provide customers with high-quality electronic components, and provide perfect after-sales service to ensure that customers have no worries in the process of use.
If I am not satisfied with the electronic components I purchased, can I return them?
We provide perfect after-sales service, if you are not satisfied with the purchased electronic components, you can return or exchange them within the specified time. Please refer to our official website or consult our customer service staff for the specific return policy and process.
Can your company provide technical support and solutions?
We have a professional technical team that can provide technical support and solutions for our customers. Whether you encounter any problems in choosing or using the products, we will be happy to answer your questions and provide professional technical support.
How to contact your customer service?
You can contact our customer service personnel through the online customer service system on our official website, telephone, e-mail or social media platforms. Our customer service staff will provide you with professional services and answer any questions you may have.
Does your company often organize promotional activities?
In order to give back to our customers, we will organize various promotions from time to time, including discounts, full reductions, giveaways and so on. Please keep an eye on our official website or social media platforms to stay up-to-date with the latest promotions.
