Siemens gk5216-0ba00-2ac2

By Abdullah Zahid
12 min read
Siemens 6GK5216-0BA00-2AC2 SCALANCE XC216 16-port managed industrial Ethernet switch mounted on DIN rail in automation control cabinet

Siemens 6GK5216-0BA00-2AC2 SCALANCE XC216 Manageable Layer 2 IE Switch: Specifications, Features, and Selection Guide

Controls engineers evaluating a managed Layer 2 switch for a PROFINET IO or EtherNet/IP production network are typically past the research stage — they need specification confirmation, a clear comparison against the SCALANCE family, and procurement confidence. The Siemens 6GK5216-0BA00-2AC2 is a 16-port, 10/100 Mbit/s managed industrial Ethernet switch operating on 24 V DC with a -40°C to +70°C rated range, IEC 62443-4-2 cybersecurity certification, and a 48-year MTBF. It sits at the functional centre of small-to-medium automation network architectures where unmanaged switches fall short but full Layer 3 routing hardware is cost and complexity overkill.

If you have already confirmed this is the right part, check current pricing and availability at LeadTime.ca — ships worldwide.

Who Should Buy the 6GK5216-0BA00-2AC2 — and Who Shouldn't

This switch is the right choice for automation projects where managed networking is required but full routing infrastructure is not. Buy it when all of the following apply to your project:

  • Your network connects 12 to 16 devices (PLCs, drives, HMIs, I/O terminals) and you need at least 2 ports reserved for redundancy or uplinks
  • Your primary protocol is PROFINET IO or EtherNet/IP — this switch is compliant with both; it is not the right fit if your system relies solely on Modbus TCP with no PROFINET requirement
  • Your cabinet power supply delivers 24 V DC — the 6GK5216-0BA00-2AC2 accepts 9.6 to 31.2 V DC; it does not accept 110 V or 230 V AC
  • Your operating environment falls within -40°C to +70°C and cabinet IP20 protection is acceptable
  • You require VLAN segmentation, port mirroring, RSTP or MRP redundancy — features unavailable on unmanaged alternatives
  • IEC 62443-4-2 cybersecurity certification is a project requirement or will become one at audit

If you have fewer than 10 devices and no redundancy requirement, the unmanaged SCALANCE X206 is a more cost-effective choice. If your device count exceeds 16 or you need fiber uplinks, move up to a SCALANCE XC224 or an XC216F variant before ordering.

On this page:

What the SCALANCE XC216 Actually Does in an Automation Network

The 6GK5216-0BA00-2AC2 is a manageable Layer 2 industrial Ethernet switch — meaning it forwards traffic based on MAC addresses, enforces VLAN boundaries, and applies redundancy protocols, but does not route between IP subnets. In practical terms, it replaces the unmanaged switch in your control cabinet with a device that lets you segment your PROFINET IO devices from your HMI traffic, prevent one malfunctioning drive from flooding the entire network with broadcast storms, and recover from a cable or device failure in the time it takes RSTP or MRP to reroute — without halting the production line.

The 16 RJ45 ports each auto-negotiate at 10 or 100 Mbit/s, and switching uses a Store and Forward method, which means the switch verifies frame integrity before forwarding — relevant in environments with electrical noise that can corrupt packets in transit. The built-in C-PLUG slot allows a pre-configured replacement unit to boot with the same settings as the failed switch, cutting spare-unit commissioning from hours to minutes. Configuration is available through a web interface, CLI, console port, or natively through STEP 7 and TIA Portal, which is the primary reason SIMATIC-based project teams choose this model over vendor-neutral alternatives.

Typical System Architecture: Where the 6GK5216-0BA00-2AC2 Sits

The 6GK5216-0BA00-2AC2 sits at the machine-level or cell-level network layer — below the plant backbone and directly above the field devices that generate and consume real-time process data.

  • Plant backbone or enterprise LAN connects to one or two uplink ports on the XC216, providing supervisory and historian connectivity
  • SIMATIC S7 PLC (CPU or distributed I/O head) connects as the PROFINET IO controller, issuing cyclic data to all downstream devices through the switch
  • Servo drives, variable frequency drives, and motor starters connect to individual RJ45 ports as PROFINET IO devices
  • HMI panels and operator stations connect on the same or a dedicated VLAN, isolated from real-time drive traffic to prevent latency spikes
  • A second XC216 can be wired into an MRP ring with the first, providing an automatic alternate path if any single cable or switch port fails

Which Industries and Machine Types Use This Switch

Food and beverage packaging lines are among the highest-volume applications. A typical bottling line running 15 servo drives coordinating fill, cap, and label stations — plus three zone PLCs and two HMIs — fits exactly within the 16-port count. MRP redundancy means a single RJ45 cable fault does not halt the line; the alternate ring path carries traffic within milliseconds.

Automotive stamping and CNC machining cells use the XC216 to centralize four to six CNC controllers and their tool-changer PLCs under one plant subnet. The VLAN capability keeps machine-to-machine communication isolated from the plant scheduling system, preventing a misconfigured HMI from generating latency that disrupts synchronized tool changeovers.

Pharmaceutical cleanroom environments require both IEC 62443-4-2 cybersecurity compliance and tolerance to temperature extremes at the cabinet exterior. With an operating range of -40°C to +70°C, the 6GK5216-0BA00-2AC2 handles cold storage adjacency scenarios where the cabinet exterior sits below freezing while internal components run warm.

Machinery OEMs building turnkey systems often ship two XC216 units pre-configured in an MRP ring so the customer simply connects field devices and commissions PROFINET assignments. The C-PLUG mechanism means the OEM can pre-load configuration and guarantee the customer receives an identical network setup every time.

Application Typical Deployment
Food and beverage bottling line 16-port XC216 connecting 3 zone PLCs, 5 servo drives, 2 HMIs, 2 sensor arrays, 2 uplinks — MRP ring for zero-downtime failover
CNC machining cell 4 CNC machines with integral PLCs plus central scheduling PLC, all on one XC216; VLAN isolates machine traffic from plant network
Pharmaceutical cleanroom HVAC and process PLCs connecting through XC216 in temperature-controlled cabinet; IEC 62443-4-2 satisfies compliance audit
Cold storage facility Refrigeration controllers and temperature sensors in -30°C environment; cabinet placement keeps switch within -40 to +70°C operating window
Machinery OEM control cabinet Two XC216 switches in MRP ring shipped pre-configured; customer plugs in and commissions without network engineering
Legacy unmanaged switch retrofit Drop-in replacement for existing 16-port unmanaged switch; adds VLAN and broadcast filtering without full cabinet rewire

Purchase-Decision Specs at a Glance

Specification Value
Ports 16x RJ45, 10/100 Mbit/s auto-negotiated; 1x console (serial)
Switching method Store and Forward
Industrial protocols PROFINET IO, EtherNet/IP, SNMP v1/v2/v3
Redundancy protocols RSTP, MRP
Supply voltage (rated) 24 V DC (range: 9.6 to 31.2 V)
Power consumption 6.6 W at 24 V; peak 0.55 A
Operating temperature -40°C to +70°C
Protection class IP20 (requires cabinet enclosure)
Dimensions (W x H x D) 120 x 147 x 125 mm
Certifications IEC 62443-4-2, CE, cULus, RCM, KC, RoHS; MTBF 48 years; 5-year warranty

Full technical specifications are available on the product page at LeadTime.ca.

SCALANCE XC216 vs. X216 vs. XC224: Which Model Do You Actually Need?

Feature SCALANCE X216 (Unmanaged) SCALANCE XC216 (6GK5216-0BA00-2AC2) SCALANCE XC224 (24-Port Managed)
Port count 16x RJ45 16x RJ45 24x RJ45
Management None (plug-and-play) Web, CLI, STEP 7, console port Web, CLI, STEP 7, console port
VLAN support No IEEE 802.1Q tag and port-based IEEE 802.1Q tag and port-based
Redundancy None RSTP, MRP RSTP, MRP
IEC 62443-4-2 No Yes Yes
Ideal device count Up to 16, same zone, no redundancy needed 12–16 devices, redundancy or segmentation required 17–24 devices, same managed feature set
Relative cost Lower Mid 20–30% higher than XC216 (typical market)
Fiber uplink option No No (choose XC216F variant for fiber) Depends on variant selected

If your architecture requires PROFINET IO redundancy and your device count is 16 or fewer, the 6GK5216-0BA00-2AC2 is the correct choice — check current availability at LeadTime.ca.

Expert Verdict: Honest Assessment for Controls Engineers

The 6GK5216-0BA00-2AC2 earns its place in automation panel design because it solves a specific, recurring problem: a production cell with 10 to 16 Ethernet-connected devices that cannot tolerate an unmanaged switch's lack of redundancy or VLAN isolation. The -40°C to +70°C operating range covers nearly every factory cabinet scenario without active cooling, the Store and Forward method keeps packet integrity high in electrically noisy environments, and the C-PLUG configuration storage makes swap-out genuinely fast rather than theoretical. For SIMATIC-based projects, STEP 7 and TIA Portal integration means the network configuration lives alongside the PLC program — no separate network management tool, no separate vendor support contract. The 48-year MTBF and 5-year warranty are meaningful numbers for a long-lifecycle asset in a production facility.

Where the XC216 has real limits: it is a Layer 2 switch, so if your project involves routing between multiple production subnets, you will need a Layer 3 device elsewhere in the architecture. It has no fiber uplink ports — for long cable runs or areas with significant electromagnetic interference, the XC216F variant is the right choice, not this one. And at 16 ports, it has no headroom for growing networks; if your device count is likely to exceed 16 within two years of commissioning, ordering a SCALANCE XC224 now avoids a cabinet redesign later. These are not criticisms of the product — they are the constraints that define when to choose it and when not to.

On the procurement side, the 6GK5216-0BA00-2AC2 is a standard catalog item with typical lead times of one to two weeks from stock. Volume buyers (10 or more units) should request a formal quote to access tiered pricing. If you are integrating this into a larger SIMATIC panel order, bundling with other Siemens catalog parts through LeadTime.ca is worth discussing. If this matches your system requirements, view current stock and pricing at LeadTime.ca.

For volume pricing or to confirm lead time before committing to a build, contact the LeadTime.ca team directly — we ship worldwide.

Wiring and Installation: What to Verify Before You Power On

  • Mount on a standard 35 mm DIN rail or S7 profile rail inside a rated enclosure — the IP20 protection class requires the cabinet to provide environmental sealing; this switch is not rated for direct outdoor or washdown exposure
  • Connect 24 V DC to the 4-pole terminal block: positive to terminal 1, negative to terminal 2; if using redundant power, connect the second 24 V source to terminals 3 and 4 — confirm polarity with a multimeter before powering on, as reversed polarity will damage the unit
  • Run Cat5e or Cat6 RJ45 patch cables to each field device; separate data cables from high-voltage power wiring by at least 30 cm to minimize EMI-induced packet errors
  • Access the web management interface or STEP 7 to assign the switch IP address, configure VLAN assignments, and enable RSTP or MRP before connecting production devices
  • Verify the cabinet ambient temperature stays within -40°C to +70°C during worst-case summer operation — if the cabinet interior regularly approaches +60°C, confirm adequate ventilation or cooling before final commissioning

Compatible Accessories and System Expansion

The 6GK5216-0BA00-2AC2 integrates with the following Siemens components and accessories confirmed in product documentation:

  • C-PLUG (Siemens configuration plug) — stores switch configuration locally; enables rapid spare-unit replacement with pre-loaded settings, no re-commissioning required
  • SIMATIC TIA Portal / STEP 7 — native integration for network configuration, topology visualization, and diagnostic monitoring alongside PLC programming
  • SCALANCE XC224 — extend the managed network to 24 ports when device count grows beyond 16; compatible in the same MRP ring topology
  • SCALANCE XC216F — fiber uplink variant for the same managed feature set over longer distances or in high-EMI zones; can be paired with the XC216 in a mixed-media ring
  • Siemens SICLOCK time server — the XC216 supports SICLOCK protocol for plant-wide clock synchronization alongside NTP and SNTP

Wrong-Part Prevention: Confirm These Six Points Before Ordering

Before placing your order for the 6GK5216-0BA00-2AC2, work through this checklist verbatim — each item addresses a recurring ordering mistake for this model:

  1. Confirm your primary protocol: This is a Layer 2 switch. Verify your PLCs and drives support PROFINET IO or EtherNet/IP. Do not order this if your system uses only Modbus TCP without PROFINET.
  2. Count your RJ45 devices: This model has 16 ports. Add all your PLCs, drives, HMIs, and I/O terminals. If you have more than 14 devices (leaving 2 for redundancy), upsize to a 24-port model.
  3. Check your cabinet power supply: Confirm 24 V DC is available with redundant supply. This switch requires 24 V, not 110/230 V AC. Do not order if only AC power is available.
  4. Verify your temperature range: Operating range is -40 to +70°C. If your cabinet temperature regularly exceeds +70°C, confirm active cooling before ordering.
  5. Confirm DIN rail width: Standard DIN rail (35 mm). Verify your cabinet has space. S7 profile rail is the backup mount option. Wall mount requires separate bracket.
  6. Check redundancy type needed: This model supports RSTP and MRP but not ring topology. If you need a full Ethernet ring with automatic failover on multiple breaks, consider SCALANCE models with ring redundancy.

If you have worked through this list and the 6GK5216-0BA00-2AC2 fits your requirements, view current pricing and stock at LeadTime.ca or contact the team if you need a formal quote before purchase order submission.

Frequently Asked Questions

Can the 6GK5216-0BA00-2AC2 run PROFINET IO and EtherNet/IP simultaneously on the same network?

Yes — the SCALANCE XC216 is compliant with both PROFINET IO and EtherNet/IP, and both protocols can coexist on the same switch fabric. VLAN segmentation can be used to isolate traffic between protocol domains if your project architecture requires it. Consult your PLC vendor documentation to confirm the controller supports both simultaneously before assuming mixed-protocol operation.

Does the 6GK5216-0BA00-2AC2 require a SIMATIC PLC to function, or can it be used in non-Siemens automation systems?

The switch operates independently of any PLC brand. STEP 7 and TIA Portal integration is an optional convenience for Siemens-ecosystem projects — configuration is equally accessible through the web interface and CLI, which work with any connected laptop or network management system. Engineers running Rockwell, Beckhoff, or other PLC platforms can commission and manage this switch without Siemens software.

What is the actual failover time when MRP redundancy activates on a cable fault?

MRP (Media Redundancy Protocol) is faster than RSTP for ring topologies. The brief does not specify an exact millisecond figure for this model — consult the official Siemens datasheet for the current MRP reconfiguration time specification before committing to applications with strict network recovery time requirements.

Is the 6GK5216-0BA00-2AC2 approved for use in food processing environments?

The switch carries CE, cULus, RCM, and KC approvals, and is RoHS compliant and ANSI/ISA-71.04 G3 rated for corrosion resistance — all relevant to food and beverage plant environments. However, its IP20 protection class means it requires a sealed enclosure to meet washdown requirements. It is not rated for direct exposure to cleaning chemicals or water spray without a suitably rated cabinet.

What happens to the network if one of the two redundant 24 V power inputs fails?

The 6GK5216-0BA00-2AC2 supports dual 24 V DC inputs on its 4-pole terminal block. If the primary supply fails, the switch continues operating on the secondary supply without interruption to port traffic. The switch can be configured to generate an SNMP trap or email alert when a power source is lost, allowing maintenance response before the backup is also compromised.

What is the lead time for the 6GK5216-0BA00-2AC2 from LeadTime.ca?

For single units, typical lead time is one to two weeks from distributor stock. During periods of supply chain constraint, lead times can extend to four to six weeks. For urgent requirements, contact LeadTime.ca directly to confirm current stock status before committing to a project schedule.

Why Source the 6GK5216-0BA00-2AC2 Through LeadTime.ca

  • LeadTime.ca ships worldwide — orders are not limited to any single region or country
  • Real-time stock and pricing visibility on the product page; no need to call for a quote on standard catalog items
  • Volume pricing available on request — contact the team directly for orders of 10 or more units
  • Hard-to-find and short-lead-time parts are a core sourcing focus; the team can advise on availability before you commit to a build schedule
  • Both product page and direct contact options are available:

At-a-Glance Summary

  • Model: Siemens 6GK5216-0BA00-2AC2 — SCALANCE XC216 manageable Layer 2 IE switch
  • 16x RJ45 ports at 10/100 Mbit/s with Store and Forward switching
  • Supply voltage: 24 V DC, range 9.6 to 31.2 V; 6.6 W typical consumption at 24 V
  • Operating temperature: -40°C to +70°C; storage to +85°C; IP20 protection class
  • Protocols: PROFINET IO, EtherNet/IP, SNMP v1/v2/v3, IEEE 802.1Q VLAN, RSTP, MRP
  • Security: IEC 62443-4-2 certified; IEEE 802.1x port access control; SSH and SSL management
  • Dimensions: 120 x 147 x 125 mm; mounts on 35 mm DIN rail, S7 profile rail, or wall bracket
  • MTBF: 48 years; 5-year hardware warranty from Siemens
  • Certifications: CE, cULus, RCM, KC, RoHS, ANSI/ISA-71.04 G3
  • Best fit: 12–16 device automation cells requiring VLAN segmentation, MRP/RSTP redundancy, and SIMATIC ecosystem integration