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The Phoenix Contact 2320908, also known as QUINT-PS/1AC/24DC/5/CO, is a high-performance, primary-switched power supply unit from the premium QUINT POWER family. It is designed for DIN rail mounting in demanding industrial applications and offers advanced features to maximize system availability .
Key Features & Benefits
- SFB Technology (Selective Fuse Breaking): Delivers up to six times the nominal current (30 A) for 12 ms to reliably and quickly trip standard circuit breakers. This ensures that only the faulty current path is disconnected, while other critical system parts continue to operate without interruption .
- POWER BOOST Static Power Reserve: Provides a permanent power reserve of up to 1.5 times the nominal current (7.5 A) at 24V DC, allowing for the reliable startup of heavy loads and easy system expansion without needing a larger power supply .
- Preventive Function Monitoring: Continuously monitors output voltage and current. Critical operating states are visualized via LEDs and can be reported to a controller via signaling outputs before an error occurs, aiding in predictive maintenance .
- Robust Design for Extreme Environments: The unit features a protective coating (dip coating) on the printed circuit board, enabling its use in oxidizing and sulfidizing atmospheres with up to 100% humidity . It is also approved for use in explosive atmospheres (ATEX, Class I, Division 2) .
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Primary-switched power supply unit |
| Order No. | 2320908 |
| Input Voltage (AC) | 85 V AC … 264 V AC (Nominal 100-240 V AC) |
| Input Voltage (DC) | 90 V DC … 410 V DC +5% |
| Output Voltage | 24 V DC ±1% (Adjustable 18 V DC … 29.5 V DC) |
| Nominal Output Current | 5 A (-25°C … 60°C) |
| POWER BOOST Current | 7.5 A (permanent, -25°C … 40°C) |
| SFB Current | 30 A (for 12 ms) |
| Output Power | 120 W |
| Efficiency | typ. 90% |
| Mains Buffering Time | typ. 55 ms (at 120/230 V AC) |
| Connection Method | Screw connection (Input, Output, Signal) |
| Mounting Type | DIN rail mounting (NS 35) |
| Dimensions (W x H x D) | 40 mm x 130 mm x 125 mm |
| Operating Temp. Range | -25°C … 70°C (Derating: 2.5%/K from 60°C) |
| Approvals | UL 508, UL 60950, ATEX, IECEx, DNV GL, SEMI F47 |
Applications & Certifications
The QUINT-PS/1AC/24DC/5/CO is the ideal power solution for critical infrastructure, process automation, and factory automation. It is backed by a comprehensive list of global approvals, ensuring it meets rigorous safety and performance standards :
- ATEX / IECEx (Zone 2 – Explosive atmospheres)
- UL / cUL Listed (UL 508, UL 60950-1, ANSI/ISA-12.12.01 Class I, Div. 2)
- DNV GL (Shipbuilding approval – EMC A)
- SEMI F47-0706 (Compliance for semiconductor industry)
- EN 50121-4 (Railway applications)
- CB Scheme & EAC
