Rexroth VT-VSPA1-1-11 Proportional Valve Amplifier – Obsolete Indramat Series Spare Part

Technical Dossier

Product Details And Specifications

Rexroth VT-VSPA1-1-11 Proportional Valve Amplifier – Obsolete Indramat Series 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 supply voltage, enable signal logic, and ramp settings vary by sub-variant and rack configuration. DriveKNMS will cross-reference your system documentation prior to shipment to confirm compatibility. No parameters are assumed.

Solving the Discontinued Hardware Crisis

The VT-VSPA1-1-11 belongs to a generation of Rexroth proportional amplifier cards that were designed for long service life in heavy industrial environments — hydraulic presses, die casting machines, continuous casting lines, and paper mill nip-roll controls. These systems were engineered in the 1990s and early 2000s with 20–30 year operational horizons in mind, and many remain mechanically sound today.

Q: How are RFQ terms confirmed?
A: Quantity, required condition, documentation needs, destination and sourcing route are confirmed during RFQ review before quotation.

Maintaining a verified spare VT-VSPA1-1-11 on the shelf eliminates that risk entirely. Mean time to repair drops from weeks to hours. The capital budget stays intact. The production schedule holds.

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

Condition & Reliability Assurance

DriveKNMS applies a 5-step quality assurance process to all discontinued amplifier cards before dispatch review:

1. Visual and mechanical inspection: Full board examination for physical damage, burnt components, cracked solder joints, and corrosion on edge connectors and pin headers.
2. Electrolytic capacitor assessment: Capacitors are the primary failure mode in aged amplifier cards. Each unit is evaluated for capacitor bulging, electrolyte leakage, and ESR deviation. Cards with suspect capacitors are reconditioned or rejected.
3. Firmware and hardware revision verification: The hardware revision marking is confirmed and documented. Where applicable, firmware version is recorded and matched against the customer's existing system revision to prevent incompatibility.
4. Pin and connector integrity check: All edge connector pins and backplane connectors are inspected for oxidation, mechanical deformation, and contact resistance. Pins are cleaned where necessary using approved contact cleaner.
5. Functional power-on test: Where test rack infrastructure permits, cards are powered and basic signal response is verified prior to packaging.

Each unit ships with a condition report. New-in-box units are shipped in original or equivalent ESD-safe packaging with desiccant.

Key Features for System Maintenance

How do I know the unit is genuine and not counterfeit?
All Rexroth cards sourced by DriveKNMS are verified against Bosch Rexroth's original labeling, PCB markings, and hardware revision identifiers. We do not source from unverified secondary markets. Provenance documentation is available on request for critical applications.

Can DriveKNMS source other discontinued Rexroth VT-series cards?
Yes. DriveKNMS specializes in obsolete and hard-to-find industrial automation components across Bosch Rexroth, Siemens, ABB, Honeywell, and other major automation platforms. Contact us with your part number for availability.