Phoenix Contact 2866763

Technical Dossier

Product Details And Specifications

Phoenix Contact QUINT POWER Series Technical Notes

The Phoenix Contact QUINT POWER series represents one of the most widely deployed families of industrial DIN-rail power supply units in global heavy industry. Installed across petrochemical complexes, nuclear power stations, offshore platforms, and continuous-process refineries, QUINT POWER units are specified by engineers who require deterministic output behavior under fault conditions. The series is characterized by its Active Boost technology, which delivers up to 500% nominal current for 5 ms to ensure reliable downstream circuit breaker tripping — a critical requirement in IEC 60364-compliant installations. QUINT POWER units carry global agency approvals including UL 508, CSA, ATEX (for hazardous area variants), and DNV GL for marine applications, making them a default specification in safety-instrumented systems (SIS) and distributed control system (DCS) power distribution architectures worldwide.

The Evolution of QUINT POWER Architecture

The QUINT POWER lineage traces to Phoenix Contact's early 1990s development of switch-mode power supplies optimized for industrial control cabinet use. The original QUINT series established the form factor and DIN-rail mounting standard that persists today. The second-generation QUINT POWER introduced the SFB (Selective Fuse Breaking) technology, enabling selective protection coordination without oversized upstream fuses. The third generation, QUINT POWER 3, added integrated signaling contacts and expanded the input voltage range to 85–264 V AC, addressing global installation compatibility. The current QUINT4-PS generation (introduced circa 2018) incorporates a full-color display, USB configuration interface, and IIoT-ready monitoring via Ethernet/IP and PROFINET adapters. Backward mechanical compatibility is maintained across generations for 24 V DC output variants, allowing panel retrofits without cabinet redesign. The 2866763 unit belongs to the QUINT4-PS generation, rated at 24 V DC / 20 A output with a 1-phase 100–240 V AC input.

QUINT POWER Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the Phoenix Contact QUINT POWER and QUINT4-PS family. Models are classified by output voltage, current rating, and input configuration.

24 V DC Output — Single-Phase Input

• 2866763: QUINT4-PS/1AC/24DC/20 — 24 V DC / 20 A, 1-phase 100–240 V AC input, Active Boost, USB config port
• 2904602: QUINT4-PS/1AC/24DC/10 — 24 V DC / 10 A, 1-phase 100–240 V AC input, SFB technology, DIN-rail mount
• 2904615: QUINT4-PS/1AC/24DC/5 — 24 V DC / 5 A, 1-phase 100–240 V AC input, compact footprint for low-load circuits
• 2938600: QUINT4-PS/1AC/24DC/40 — 24 V DC / 40 A, 1-phase input, high-current output for large panel distribution
• 2866776: QUINT4-PS/1AC/24DC/20/PT — 24 V DC / 20 A, 1-phase, PROFINET monitoring interface variant
• 2904628: QUINT4-PS/1AC/24DC/10/PT — 24 V DC / 10 A, PROFINET-enabled, IIoT-ready diagnostics

24 V DC Output — Three-Phase Input

• 2866792: QUINT4-PS/3AC/24DC/20 — 24 V DC / 20 A, 3-phase 340–550 V AC input, for high-availability MCC panels
• 2866805: QUINT4-PS/3AC/24DC/40 — 24 V DC / 40 A, 3-phase input, heavy industrial distribution
• 2904631: QUINT4-PS/3AC/24DC/10 — 24 V DC / 10 A, 3-phase input, mid-range load applications

48 V DC Output

• 2866818: QUINT4-PS/1AC/48DC/5 — 48 V DC / 5 A, 1-phase input, telecom and SCADA bus supply
• 2866821: QUINT4-PS/1AC/48DC/10 — 48 V DC / 10 A, 1-phase input, extended-voltage distribution rails

12 V DC Output

• 2904644: QUINT4-PS/1AC/12DC/10 — 12 V DC / 10 A, 1-phase input, sensor and actuator supply circuits
• 2904657: QUINT4-PS/1AC/12DC/5 — 12 V DC / 5 A, 1-phase input, low-power instrumentation loops

• 2866226: QUINT-PS/1AC/24DC/20 — 3rd-gen predecessor to 2866763; identical output rating, no USB port
• 2938587: QUINT-PS/1AC/24DC/10 — 3rd-gen 10 A variant; widely installed in legacy DCS cabinets pre-2018
• 2866239: QUINT-PS/3AC/24DC/20 — 3rd-gen 3-phase 20 A; common in refinery MCC retrofits

Sourcing Hard-to-Find & Obsolete QUINT POWER Parts

The QUINT POWER 3rd-generation units (pre-2018, e.g., 2866226, 2938587, 2866239) have been discontinued by Phoenix Contact and are no longer available through standard distribution channels. However, these units remain installed in large numbers across facilities with 15–25 year operational lifecycles, including nuclear auxiliary systems, offshore FPSO control rooms, and legacy DCS architectures where panel-level replacement is not economically viable.

Quality Control for the QUINT POWER Range

Each QUINT POWER unit processed by DriveKNMS undergoes a structured acceptance and functional test protocol before dispatch. Input voltage sweep testing is performed across the full rated input range (85–264 V AC for 1-phase units; 340–550 V AC for 3-phase units) to verify regulation stability. Output load testing is conducted at 25%, 50%, 75%, and 100% of rated current, with output ripple measured against Phoenix Contact's published specification of ≤50 mV peak-to-peak. Active Boost functionality is verified by applying a 500% overload pulse and confirming the unit sustains output for the rated 5 ms duration. Signaling contact continuity (OK relay output) is tested under both normal and fault conditions. For QUINT4-PS units with USB or PROFINET interfaces, firmware version is recorded and communication link integrity is confirmed. Units failing any parameter are quarantined and not dispatched.