Schneider TSXSUP702 Power Supply Module – Obsolete TSX7 Spare Part

Technical Dossier

Product Details And Specifications

Schneider TSXSUP702 Power Supply Module – Obsolete TSX7 Spare Part

DriveKNMS reviews sourcing options for this model during 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

Note: Electrical parameters (input voltage range, output ratings, protection class) are not published here to prevent specification errors. Please contact us directly for verified datasheet confirmation prior to ordering.

Solving the Discontinued Hardware Crisis

The TSX7 platform was a workhorse of European and Asian industrial automation through the 1980s and 1990s. Many of these systems remain embedded in chemical processing, water treatment, and discrete manufacturing lines where the cost and risk of a full PLC migration cannot be justified on a short timeline. The TSXSUP702 is the rack power supply that keeps the entire TSX7 backplane alive. Without it, every I/O module, every CPU card, and every communication interface in that rack goes dark simultaneously.

Schneider Electric's current Modicon M340 and M580 platforms are not backward-compatible with TSX7 rack hardware. Any transition requires new I/O wiring, software rewriting from PL7 or similar legacy environments, and a full Factory Acceptance Test cycle. For a plant manager operating under a capital expenditure freeze or managing a system that is scheduled for decommission in three to seven years, absorbing that cost now makes no financial sense. Sourcing a verified TSXSUP702 spare is the operationally sound decision.

Condition & Reliability Assurance

DriveKNMS applies a five-stage inspection protocol to all obsolete power supply modules before they are offered for sale:

• Visual and mechanical inspection: Housing integrity, connector pin condition, and label legibility are verified. Units with physical damage to the backplane connector are rejected.
• Electrolytic capacitor assessment: Power supply modules of this generation are susceptible to electrolytic capacitor degradation. Each unit is assessed for capacitor bulging, leakage, and ESR deviation. Units with compromised capacitors are either reconditioned by qualified technicians or removed from inventory.
• Firmware and hardware revision verification: Where revision markings are present on the PCB or label, these are documented and disclosed to the buyer prior to shipment.
• Pin and contact corrosion check: Backplane connector pins are inspected under magnification for oxidation and corrosion. Affected contacts are treated or the unit is rejected.
• Functional power-on test: Where test bench infrastructure permits, units are powered on and output stability is verified before packaging.

Condition grade (New, Refurbished-Grade-A, or Tested-Used) is disclosed on the invoice and confirmed in writing before payment.

Key Features for System Maintenance

How do I confirm the unit is genuine and not counterfeit?
All units are sourced from documented industrial channels. Serial numbers, PCB revision markings, and label characteristics are cross-referenced against known-good references. Buyers may request pre-shipment photographs of the specific unit reserved for their order.

Can you source other TSX7 series modules?
Yes. DriveKNMS specializes in obsolete Schneider Electric and Telemecanique components across the TSX7, TSX17, and TSX37 families. Contact us with your full BOM for availability assessment.