Kollmorgen S3030 1-NA-SB Servo Drive – Obsolete ServoStar 343 Spare Part

Technical Dossier

Product Details And Specifications

Kollmorgen S3030 1-NA-SB Servo Drive – Obsolete ServoStar 343 Spare Part

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

Technical Specifications

Note: Electrical parameters such as input voltage range, continuous/peak current output, and bus voltage are not published here to prevent specification mismatch. Please contact us with your application details for confirmation before ordering.

Solving the Discontinued Hardware Crisis

The ServoStar 343 platform was engineered for deterministic torque and velocity control in closed-loop servo systems. Its analog and digital command interfaces, combined with resolver and encoder feedback compatibility, made it a standard component in equipment from machine tool OEMs across Europe and North America. Kollmorgen formally discontinued the ServoStar 300 series, and no direct successor accepts the same wiring, feedback signals, and tuning data without hardware and software modification.

How to extend automation asset life by 5–10 years using critical spare parts:

Condition & Reliability Assurance

Discontinued servo drives sourced from the secondary market carry inherent risk. DriveKNMS applies a structured 5-step qualification process before any unit is offered for sale:

1. Visual and mechanical inspection. All connectors, terminal blocks, and mounting hardware are examined for corrosion, pin damage, and mechanical deformation. Units with compromised connectors are rejected at this stage.
2. Electrolytic capacitor assessment. Bulk DC bus capacitors and filter capacitors are tested for capacitance retention and ESR. Capacitors showing more than 20% capacitance loss or elevated ESR are replaced with equivalent-rated components before the unit proceeds.
3. Firmware version verification. The installed firmware revision is recorded and cross-referenced against known stable releases for the ServoStar 343 platform. Units carrying field-modified or unverified firmware are flagged and handled separately.
4. Pin and PCB corrosion inspection. All edge connectors and internal PCB surfaces are inspected under magnification for oxidation, flux residue, and micro-corrosion. Affected contact surfaces are treated prior to testing.
5. Functional power-up and parameter load test. Each unit is powered and verified to initialize correctly, accept parameter input, and respond to enable signals without fault codes. Units that do not pass functional testing are not sold.

Key Features for System Maintenance

• Drop-in replacement: The S3030 1-NA-SB installs into the original drive slot without mechanical modification. Connector pinout and mounting dimensions are identical to the original factory configuration.
• No reprogramming required: Provided the original parameter file is available, the replacement drive accepts the same configuration data. No motion re-tuning is required under normal conditions.
• Avoids engineering reconstruction costs: Substituting a modern drive requires new cabling, feedback device replacement, PLC I/O remapping, and safety circuit recertification. The S3030 1-NA-SB eliminates all of these costs.
• Preserves machine certification: In regulated industries, replacing a drive with a different model may trigger a requirement for machine re-validation. Using the original part number maintains the existing certification baseline.

How do I know the unit is genuine and not counterfeit?
All units supplied by DriveKNMS are sourced from documented industrial channels — decommissioned equipment, OEM overstock, and verified distributor liquidations. We do not source from anonymous brokers. Each unit carries its original Kollmorgen serial number and label, which can be cross-referenced against Kollmorgen's date code format.

Should I buy more than one unit?
For any production-critical axis, yes. The S3030 1-NA-SB is no longer manufactured, and secondary market supply is finite. Facilities that have experienced one drive failure on this platform statistically face a second failure within 18–36 months as the remaining drives age together. Purchasing a second unit now costs a fraction of what it will cost — if it is available at all — after the next failure.