Product Overview
PHOENIX CONTACT QUINT-PS/1AC/24VDC/10 2866763: System Stability & Industrial Spare Maintenance Value
The PHOENIX CONTACT QUINT-PS/1AC/24VDC/10 (Article No. 2866763) is a proven 24 VDC / 10 A single-phase DIN rail power supply from the industry-renowned QUINT Power series. Engineered for continuous-duty industrial environments, this unit delivers regulated, low-ripple DC power to PLCs, DCS controllers, I/O modules, field instruments, and safety relays across manufacturing, process, and infrastructure applications. Sourcing a genuine original spare of this model is a critical step in any preventive maintenance programme — ensuring that when a power supply fails during a production shift, replacement is immediate, compatible, and fully warranted.
Industrial facilities that rely on PHOENIX CONTACT QUINT Power supplies understand the operational risk of running ageing units beyond their rated service life. Capacitor degradation, output voltage drift, and thermal stress accumulate silently. A proactive replacement strategy — stocking at least one verified spare of the QUINT-PS/1AC/24VDC/10 — eliminates the most common cause of unplanned PLC cabinet downtime. Every unit dispatched from TOPNLMS undergoes pre-shipment functional verification, is packaged in anti-static protective material, and ships with a 12-month quality warranty covering manufacturing defects and electrical performance.
Critical Technical Specs
| Article Number |
2866763 |
| Full Model |
QUINT-PS/1AC/24VDC/10 |
| Brand / Series |
PHOENIX CONTACT / QUINT Power |
| Input Voltage |
85 – 264 VAC (1-phase), 47 – 63 Hz |
| Output Voltage |
24 VDC (adjustable 18 – 29.5 VDC) |
| Rated Output Current |
10 A |
| Rated Output Power |
240 W |
| Mounting |
DIN rail (EN 60715 TH 35) |
| Protection Class |
IP20 |
| Operating Temperature |
-25 °C to +70 °C |
| Efficiency |
≥ 93 % |
| MTBF |
> 500,000 h (at 25 °C, full load) |
| Approvals |
UL, cUL, CE, GL, DNV, ATEX Zone 2 |
| Country of Origin |
Germany |
| Weight |
1,145 g |
| Compatibility |
Direct replacement for QUINT-PS/1AC/24VDC/10; compatible with QUINT2, QUINT4 cabinet layouts |
| Warranty |
12 Months — covers electrical performance and manufacturing defects |
Preventive Maintenance Strategy
A power supply failure rarely occurs in isolation. When a QUINT-PS/1AC/24VDC/10 is flagged for replacement during a scheduled cabinet inspection or emergency shutdown, experienced maintenance engineers use the opportunity to audit the entire power distribution chain within the same control cabinet. This approach minimises repeat call-outs and extends the overall service interval of the automation system.
Begin with the 24 VDC bus wiring and terminal blocks — PHOENIX CONTACT PT and UK series terminal blocks are commonly installed alongside QUINT supplies and should be inspected for loose connections, discolouration from heat, or corrosion on the clamping screws. Simultaneously, check the QUINT-DIODE/40AC/2X20 redundancy module if the cabinet runs a dual-PSU redundant configuration; a degraded diode module can mask a failing primary supply and cause intermittent voltage sags.
Downstream of the power supply, inspect the PHOENIX CONTACT MINI MCB circuit breakers (e.g. MINI-MCB-1AC/0.5A) that protect individual 24 VDC branch circuits feeding I/O racks and field devices. Tripped or weakened breakers are a leading indicator of load-side faults that accelerate PSU wear. While the cabinet is open, verify the condition of the IB IL 24 DO 16 digital output modules and IB IL 24 DI 16 digital input modules in the Inline I/O system — these modules draw directly from the 24 VDC rail and their current consumption should be within the rated budget of the QUINT-PS/1AC/24VDC/10.
For systems using PROFIBUS or PROFINET communication, inspect the PHOENIX CONTACT FL SWITCH managed Ethernet switches and PSI-MOS PROFIBUS optical link modules — both are powered from the same 24 VDC rail and are sensitive to voltage ripple caused by a deteriorating power supply. If the facility operates PHOENIX CONTACT STEP POWER STEP-PS/1AC/24VDC/3.8 or similar compact supplies in auxiliary panels, cross-check their output voltage as well; a failing main QUINT unit can cause ground loops that affect adjacent supplies.
Finally, review the UPS-IQ 24VDC uninterruptible power supply buffer module if installed — its battery condition and charge state should be validated whenever the primary QUINT supply is replaced, as the buffer module’s charge cycle is directly tied to the upstream PSU health. Stocking spares of the QUINT-BUFFER/24VDC/40AH battery module alongside the QUINT-PS/1AC/24VDC/10 is a best practice for facilities with zero-tolerance downtime requirements.
Strategic Replacement Solutions
The QUINT-PS/1AC/24VDC/10 (2866763) has been in continuous production for over a decade, making it one of the most widely installed 240 W DIN rail supplies in European and Asian industrial facilities. However, as original units age past 10–15 years of service, procurement teams increasingly face the challenge of sourcing verified original spares rather than grey-market or counterfeit substitutes.
TOPNLMS supplies only original PHOENIX CONTACT components sourced through authorised distribution channels. Each QUINT-PS/1AC/24VDC/10 unit is verified against the manufacturer’s article number (2866763) and ships with full traceability documentation. For facilities transitioning to newer cabinet designs, this unit is dimensionally and electrically compatible with QUINT2-PS/1AC/24VDC/10 mounting positions, allowing a like-for-like swap without rewiring or DIN rail modification.
Planned replacement — rather than reactive replacement after failure — reduces mean time to repair (MTTR) from hours to minutes. A single unplanned production stoppage in a high-throughput manufacturing line typically costs far more than maintaining a strategic spare inventory. Procurement managers are encouraged to evaluate a 1-for-5 or 1-for-10 spare ratio depending on the number of QUINT-PS/1AC/24VDC/10 units installed across their facility.
Support FAQ
Q1: Is this a genuine original PHOENIX CONTACT QUINT-PS/1AC/24VDC/10, or a compatible replacement?
This is a genuine original PHOENIX CONTACT unit (Article No. 2866763), not a third-party compatible or clone. All units are sourced through verified supply channels and include manufacturer labelling and serial number traceability.
Q2: What does the 12-month warranty cover?
The 12-month warranty covers electrical performance within rated specifications and manufacturing defects. Units that fail within the warranty period due to component or workmanship defects are replaced or refunded. The warranty does not cover damage caused by incorrect installation, overvoltage events, or physical mishandling.
Q3: How do I verify compatibility before installation?
Confirm that your existing installation uses a 1-phase AC input (85–264 VAC) and requires a 24 VDC / 10 A output. The QUINT-PS/1AC/24VDC/10 mounts on standard EN 60715 TH 35 DIN rail and uses the same terminal layout as the QUINT2 series, making it a direct drop-in replacement in most cabinet configurations. If you require compatibility verification for a specific PLC or DCS system, contact our technical team before ordering.
Q4: What is the typical lead time and how is the unit tested before shipment?
In-stock units are dispatched within 1–3 business days. Each unit undergoes pre-shipment functional testing including output voltage verification, load regulation check, and visual inspection for physical damage. Units are packaged in anti-static bags with foam protection to prevent transit damage.