Phoenix Contact QUINT-PS/1AC/24DC/10 2866763 DIN Rail Power Supply – Obsolete QUINT Series Spare Part

Technical Dossier

Product Details And Specifications

Phoenix Contact QUINT-PS/1AC/24DC/10 2866763 DIN Rail Power Supply – Obsolete QUINT Series Spare Part

When a QUINT-PS/1AC/24DC/10 (Art. No. 2866763) fails on the production floor, the clock starts immediately. This unit is the backbone power source for 24 VDC control panels across thousands of legacy automation installations — PLC cabinets, distributed I/O racks, safety relay circuits, and SCADA front-end panels built on platforms such as Siemens S7-300, Allen-Bradley SLC 500, and Schneider Modicon Quantum. Phoenix Contact has transitioned this product line to the QUINT4 generation, making the original 2866763 a discontinued item with no direct drop-in equivalent from the OEM channel.

A single unplanned line stoppage caused by a failed power supply can cost a discrete manufacturer USD 5,000–50,000 per hour in lost throughput. For process industries — chemical, oil & gas, water treatment — the figure climbs further when regulatory shutdown procedures are triggered. Sourcing a replacement from the spot market at USD 300–800 is not a cost; it is insurance against a capital expenditure that could reach seven figures if the control panel must be redesigned around a new power supply architecture. DriveKNMS maintains RFQ-reviewed sourcing status of the 2866763 specifically to close this gap.

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 QUINT-PS/1AC/24DC/10 2866763 was engineered for continuous-duty industrial environments and earned a reputation for reliability that made it the default choice for panel builders throughout the 2000s and 2010s. That same reliability is now the source of a procurement problem: the installed base is enormous, the units run for years without failure, and when one does fail, the OEM channel no longer stocks the exact article number.

For facilities operating 10 or more panels containing this power supply, a structured spare parts reserve of 2–3 units per site extends the viable operational life of the existing control architecture by 5–10 years, deferring a full panel redesign program that would otherwise be forced by a single parts shortage event.

Condition & Reliability Assurance

Discontinued power supplies sourced from the secondary market carry real risk if the inspection process is inadequate. DriveKNMS applies a 5-step QA protocol to every QUINT-PS/1AC/24DC/10 2866763 unit before it leaves our facility:

Step 1 – Electrolytic Capacitor Assessment: The primary failure mode in aged switch-mode power supplies is electrolytic capacitor degradation. Each unit undergoes ESR (Equivalent Series Resistance) measurement on primary and secondary bulk capacitors. Units showing ESR values outside manufacturer tolerance are rejected.

Step 2 – Firmware & Hardware Revision Verification: The PCB revision and any embedded firmware version are logged and cross-referenced against Phoenix Contact's known revision history to confirm the unit matches the specification for the 2866763 article number.

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

Key Features for System Maintenance

The QUINT-PS/1AC/24DC/10 2866763 is a direct drop-in replacement for any existing installation of the same article number. No programming changes are required. No engineering re-validation is triggered by a like-for-like replacement. The terminal layout, mounting footprint, and electrical interface are identical to the original unit.

This matters operationally: maintenance personnel can execute the replacement without specialist support, without a controls engineer on-site, and without touching the PLC program or safety logic. The cost of the replacement is the cost of the part and 30 minutes of technician time — nothing more. Contrast this with the alternative of a forced migration to QUINT4, and the value of maintaining a verified spare is self-evident.

For procurement and maintenance managers building a long-term asset protection strategy, we recommend treating this unit as a critical insurance spare rather than a reactive purchase. Facilities that pre-position 2–3 units per control room eliminate the single-point-of-failure risk that a discontinued power supply represents and gain the operational flexibility to schedule panel upgrades during planned shutdowns rather than emergency windows.

Q: Can you support multi-unit or repeat RFQ requests?
A: Yes. Send the model list, target quantity and destination so DRIVEKNMS can review sourcing options and quote the requirement as a project RFQ.

Q: Can this unit be used in a new panel build?
A: It can, but we recommend it only for panels that must maintain compatibility with an existing 1st-generation QUINT architecture. For new builds with no legacy constraints, the QUINT4 series is the current OEM product and carries full manufacturer support.