Product Description:

Siemens SCALANCE X112-2 Industrial Ethernet Switch 6GK5 112-2BB00-2AA3

This Siemens SCALANCE X112-2 unmanaged industrial Ethernet switch is engineered not just to

connect devices, but to eliminate the very source of network uncertainty in harsh environments.

It solves the critical pain points of sporadic data jitter and communication delays in PROFINET

networks, which can halt production lines and lead to costly downtime. By providing deterministic

ultra-low latency (end-to-end jitter <1.2μs) and robust physical design, it transforms your

industrial network from a potential point of failure into a pillar of reliability

A.Primary Application Fields:

1.Automotive manufacturing and welding production lines: Ensures real-time, jitter-free commu-

nication between robots, welding controllers and vision systems for seamless synchronisation.

2.Steel and heavy manufacturing: Withstands high-temperature zones and strong electromagnetic

interference (EMI), guaranteeing stable operation in the most demanding factory areas.

3.Maritime and shipboard applications: Certified by multiple major classification societies (e.g.

DNV, Lloyd's Register), establishing itself as a reliable choice for shipboard control networks.

4.Factory-wide PROFINET Networks: Serve as dependable plug-and-play building blocks for

expanding or establishing robust PROFINET infrastructure compatible with S7-1500 systems and drives.

B.Comparison & Advantages. 

Do not confuse this industrial fortress with a commercial office switch. While a standard switch

prioritizes high bandwidth in a clean, 0-40°C office, the SCALANCE X112-2 is built for deterministic

timing in vibration-heavy, EMI-intensive factories. Its core value is eliminating network jitter at the

physical layer. It uses a custom ASIC and a store-and-forward mechanism to achieve a constant

port-to-port forwarding delay (e.g., 1.8μs ±0.3μs under load), dwarfing the 28-45μs fluctuations

of a commercial gigabit switch. Its rugged metal housing, wide operating temperature range

(-10°C to +70°C), and redundancy support are not extras—they are the foundation of production

line continuity.

C. Within the Siemens SCALANCE X family, the X112-2 stands out for its supreme balance of

robustness and simplicity. Its defining advantage is "Zero-Configuration, Maximum Reliability."

1.Compared to Basic Unmanaged Switches: It offers superior port density (12 RJ45 + 2 fiber), wider

temperature tolerance, and critical industrial certifications that basic models lack.

2.Compared to Managed Switches (e.g., SCALANCE X212-2): This is the key decision for your customer.

The X112-2 is the "Set-and-Forget" solution. It needs no IP configuration, no software setup, and no

network management expertise. It is perfect for applications requiring a rock-solid, transparent

network segment without VLANs, ring configurations, or remote diagnostics. Choose the managed

X212-2 only if you need those advanced IT-like features. For pure, reliable connectivity, the X112-2

delivers unmatched operational simplicity and lower total cost of ownership.

D. How to Identify a Reliable, High-Quality Siemens PLC Supplier

A trustworthy supplier proactively transparentizes all details. First, we provide multi-angle, high-

resolution photos of the actual product—including the housing, ports, and a close-up of the label

(clearly showing the order number  6GK5112-2BB00-2AA3)—rather than using only official website

images. Second, we clearly mark inventory status and are willing to provide stock proof. Finally, we

offer complete technical support and warranty services (12-month warranty) and can provide formal

procurement channel documentation, ensuring every device you receive is genuine and original.

E. Is this 6GK5112-2BB00-2AA3 brand new and original? Is it in stock?

We guarantee that all Siemens PLC products we sell are 100% brand new and original. This model is a

common stock item and is currently available for immediate shipment. 

F.What are the physical dimensions and weight of the product? What installation methods are

supported?

The module conforms to the standard SCALANCE X112-2 form factor, with dimensions of appro-

ximately 25.3 x 25.2 x 19.2 cm (W x H x D). the weight is 1.45 kg It is installed by plugging it directly

into an S7-1500 PLC rack via the backplane bus, requiring no separate power supply. The installation

method is identical to that of a standard I/O module, offering a very high level of integration.

G.How can I verify the product I receive is genuine?

1.  Visual Inspection: Genuine modules feature excellent craftsmanship, clear printing, uniform coloring, and tight-fitting connectors.

2.  Label Verification: Check that the order number (6ES7-650-8DK80-0AA0) and serial number (S/N) on the module label are clear and unique.

3.  Functional Test: Connect using official Siemens software; it should correctly read the module type, serial number, and firmware information.

4. Official Channels: If in doubt, consult Siemens  directly using your purchase proof and product serial number.

Question and Answers:

Q1: What makes an industrial switch like this more reliable than a heavy-duty commercial switch?

A: True industrial reliability comes from design depth. This switch uses a custom Siemens ASIC for

deterministic delay, not a generic chip. It has passed rigorous tests for shock, vibration, EMI (resisting

40V/m fields), and has a proven MTBF of 61.3 years. Its components, like 10μm gold-plated contacts,

are rated for over 10,000 mating cycles.

Q2: We have temperature extremes in our factory. Will it work?

A: Yes. It is rated for continuous operation from -10°C to +70°C, with storage tolerance from -40°C

to +80°C, ensuring performance in unheated warehouses or hot mill areas.

Q3: How is it powered, and what if the power fails?

A: It supports redundant 24V DC power inputs (18-32V range). If one power supply fails, the second

one takes over seamlessly, preventing network downtime.

Q4: What do the two fiber optic ports (BFOC) offer?

A: They allow connection via multimode fiber for distances up to 3000 meters, ideal for connecting

between buildings or across long plant floors without signal degradation or susceptibility to electrical noise.

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