Siemens 6GK5602-0BA10-2AA3 Network Security Module – Obsolete SCALANCE S602 Spare Part

Technical Dossier

Product Details And Specifications

Siemens 6GK5602-0BA10-2AA3 Network Security Module – Obsolete SCALANCE S602 Spare Part

When a SCALANCE S602 security module fails in a running production environment, the consequences extend far beyond a single device replacement. This unit sits at the perimeter of your industrial network, enforcing VPN tunnels, stateful packet inspection, and zone-based access control between the office IT layer and the shop-floor OT layer. Without it, the entire PROFINET segment it protects either goes offline or is exposed without firewall enforcement — neither outcome is acceptable in a regulated manufacturing environment.

Replacing a legacy Siemens SCALANCE S602 with a current-generation SCALANCE S615 or S627-2M is not a plug-and-swap exercise. It requires new firmware architecture, reconfiguration of all VPN peers, updated STEP 7 or TIA Portal project files, re-validation of network segmentation, and in many cases a full production shutdown for commissioning. Engineering costs alone routinely exceed USD 80,000–200,000 for a mid-size plant. Procurement of a single 6GK5602-0BA10-2AA3 from RFQ-reviewed sourcing status eliminates that exposure entirely.

DriveKNMS reviews sourcing options for this model through RFQ handling before quotation.

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Solving the Discontinued Hardware Crisis

The SCALANCE S602 was deployed extensively in industrial plants built between 2005 and 2015, particularly in automotive body shops, pharmaceutical batch processing lines, and food and beverage packaging facilities. These installations were designed around Siemens SIMATIC S7-300 and S7-400 controllers — platforms that themselves remain in extended support but are no longer in active development. The S602 was the designated security gateway for these cells, and its configuration is tightly coupled to the surrounding network topology.

Siemens formally discontinued the SCALANCE S602 product line. Replacement with a current-generation device is not a straightforward migration. The Security Configuration Tool (SCT) project files used to manage S602 policies are not forward-compatible with the newer SINEMA-based management stack without manual re-engineering. For a plant running 20–40 protected cells, each requiring individual VPN peer reconfiguration, the migration project represents months of engineering time and a series of planned production outages.

How to extend your automation asset life by 5–10 years with targeted spare part management:

Condition & Reliability Assurance

Discontinued hardware sourced outside the OEM channel carries inherent risk if not properly evaluated. DriveKNMS applies a 5-step inspection protocol to all SCALANCE S602 units before dispatch review:

1. Visual and mechanical inspection. Housing integrity, DIN rail clip condition, port labeling, and connector pin examination under magnification. Units with physical damage, corrosion on RJ45 pins, or compromised housing are rejected.
2. Electrolytic capacitor assessment. Capacitor bulging, electrolyte leakage, and ESR deviation are primary failure modes in hardware of this age. Each unit is inspected for visible capacitor degradation. Units showing any sign of capacitor stress are quarantined.
3. Firmware version verification. The firmware version present on each unit is recorded and disclosed to the buyer prior to shipment. No firmware modifications are made without explicit customer instruction.
4. Power-on functional test. Each unit is powered at rated 24 V DC and verified to complete its boot sequence, illuminate status LEDs correctly, and respond to network interface activity.
5. Packaging and ESD protection. Units are packed in anti-static bags with foam cushioning. Shipment documentation includes the unit serial number, inspection date, and technician reference.

Key Features for System Maintenance

• Drop-in replacement. The 6GK5602-0BA10-2AA3 is a direct hardware substitute for any existing SCALANCE S602 installation. Physical dimensions, DIN rail mounting, and port layout are identical to all S602 variants in the same housing generation.
• No reprogramming of connected devices required. The security policy and VPN configuration reside in the SCT project file, not in the connected PLCs or HMIs. Replacing the hardware unit and restoring the SCT configuration does not require any changes to SIMATIC S7 programs or HMI projects.
• Avoids engineering reconstruction costs. A hardware swap using an identical replacement unit eliminates the need for network re-segmentation, firewall rule re-validation, or VPN peer renegotiation with remote sites — all of which are billable engineering activities that accompany a platform migration.
• Maintains existing compliance posture. Plants operating under IEC 62443, NERC CIP, or internal OT security frameworks that have already validated their S602-based architecture do not need to re-validate when replacing like-for-like hardware.

How do I confirm the unit is genuine and not counterfeit?
Each unit is supplied with its original Siemens product label intact, including the MLFB order number, serial number, and manufacturing date code. We do not supply units with removed, altered, or reprinted labels. Buyers are encouraged to verify serial numbers against Siemens' product identification resources.

Can you supply units pre-loaded with a specific firmware version?
Firmware version matching can be discussed on a case-by-case basis. Contact us with your current firmware version before quotation confirmation.