$ 907.12
High-performance Phoenix Contact QUINT4 48V DC 20A power supply with SFB, NFC setup, and preventive monitoring for reliable industrial automation.
The Phoenix Contact QUINT4-PS/3AC/48DC/20 power supply delivers robust performance with a 48 V DC output at 20 A, designed to keep demanding automation systems running without interruption. Engineered with advanced features like Selective Fuse Breaking (SFB) technology, configurable signaling, and NFC-based setup, it provides flexibility for diverse industrial applications. Its compact DIN-rail format, high efficiency, and protective design make it ideal for ensuring stable power in control cabinets and mission-critical environments where downtime is not an option.
This QUINT4 series power supply supports engineers with preventive monitoring that warns of irregular operating states before failures occur, ensuring higher system availability. Extra power reserves simplify system expansion and provide reliable starts for heavy loads. With its rugged housing, superior surge protection, and global certifications, it performs reliably even in harsh industrial conditions. By combining adaptability, efficiency, and durability, the unit helps businesses reduce maintenance, safeguard equipment, and maintain continuous production in automation, transportation, and process industries.
Because it combines power, intelligence, and reliability in one unit. The Phoenix Contact QUINT4-PS/3AC/48DC/20 delivers 48 V DC at 20 A with outstanding efficiency, while offering customizable settings through NFC and unique SFB technology. It’s more than a power supply—it’s a safeguard that adapts to your system, keeps processes running, and prepares you for future expansion.
Unplanned downtime and unstable power are costly in industrial automation. This model solves that by ensuring continuous system availability through preventive monitoring, power reserves for tough loads, and rapid circuit breaker tripping with SFB. It eliminates uncertainty in critical applications, protecting equipment and operators while ensuring your operations stay productive and scalable.
| Feature | Details | Benefit |
|---|---|---|
| Input Voltage Range | 3x 400–500 V AC / ±260–300 V DC | Flexible operation in AC/DC grids |
| Output Voltage / Current | 48 V DC / 20 A | Reliable power for demanding industrial loads |
| Efficiency | Up to 96.2% | Lower energy loss and reduced operating costs |
| SFB Technology | 105 A for 15 ms | Selectively trips circuit breakers, preventing downtime |
| Dynamic Boost | Up to 30 A for 5 s | Starts heavy inductive loads with ease |
| Preventive Monitoring | Adjustable thresholds & signals | Detects issues early, avoiding failures |
| NFC Interface | Wireless configuration | Simplifies setup and customization |
| Operating Temperature | -25 °C to +70 °C (with derating) | Reliable in harsh industrial environments |
| Protection | Surge protection, OVP ≤ 60 V DC, short-circuit proof | Ensures long-term durability and equipment safety |
| Mounting | DIN rail (NS 35, EN 60715) | Easy integration in control cabinets |
| Certifications | UL, CSA, SEMI F47, DNV, IEC/EN standards | Assures global compliance and safe operation |
Download QUINT4-PS/3AC/48DC/20 (2904627) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4063151023171 |
| Customs Tariff Number | 85044095 |
| Weight (Net) | 2,811 g |
| Country of Origin | Thailand |
CNC machines rely heavily on stable voltage to drive servo and stepper motors during complex machining cycles. A 48 V DC power supply with a 20 A capacity provides the consistent energy needed for fast axis movement, high torque, and accurate positioning. Its protective design prevents damage from sudden inrush currents during motor startups, while high efficiency ensures continuous operation without overheating. By maintaining stable performance even under heavy load, this supply supports precise production runs, reduces downtime caused by electrical faults, and enhances reliability in metalworking, woodworking, and high-speed automation environments.
Modern industrial networks depend on reliable 48 V power to operate Ethernet switches, wireless access points, and high-demand PoE cameras. A DIN-rail power supply capable of delivering 20 A ensures that both network hardware and connected devices remain powered even during peak usage. Built-in overload protection and robust surge resistance secure communication stability in electrically noisy environments such as factories or warehouses. By delivering sufficient reserves for expansion and safeguarding against voltage fluctuations, this unit helps maintain dependable industrial connectivity and continuous data transmission in mission-critical applications.
Automation systems with PLCs and SCADA controllers require centralized, uninterrupted DC power to operate efficiently. A compact, high-efficiency 48 V power supply delivers the required 20 A output to support distributed control panels and monitoring devices. With built-in buffering to withstand short mains interruptions, it prevents downtime caused by unstable grid conditions. Its DIN-rail design minimizes cabinet space while providing flexibility for system expansion. By ensuring reliable supply to sensors, actuators, and controllers, this power solution keeps monitoring and control loops stable, reducing system errors and maintaining continuous operation across manufacturing plants and utility networks.
Instrumentation systems in transportation, energy, and process industries depend on uninterrupted voltage to keep monitoring equipment, communication modules, and data acquisition units online. A 48 V DC supply with preventive monitoring and power reserves allows integration with buffer modules or UPS solutions, providing additional security during short power outages. This capability ensures critical data is not lost and systems continue functioning through voltage dips. Its robust construction and surge protection make it suitable for harsh industrial environments. By maintaining steady voltage in challenging conditions, it safeguards instrumentation accuracy and ensures operators always have access to reliable real-time data.
| Category | Accessory / Related Product | Part Number | Description & Benefit |
|---|---|---|---|
| Mounting Accessories | UWA 182/52 Mounting Adapter | 2938235 | Universal wall adapter for secure installation under strong vibration; attaches top/bottom of the device. |
| UWA 130 Mounting Adapter | 2901664 | Two-piece wall adapter for side-mounting the power supply, ensuring stability in demanding conditions. | |
| Programming & Setup | TWN4 MIFARE NFC USB Adapter | 2909681 | NFC programming adapter with USB interface for wireless configuration of QUINT power supplies. |
| Circuit Protection | Fuse 10.3×38 mm, 6 A PV | 3061318 | High-voltage DC fuse for safe protection of connected loads in photovoltaic and industrial applications. |
| Surge Protection | PLT-SEC-T3-3S-230-FM | 2905230 | Type 3 surge protection for three-phase supply networks; integrates remote signaling. |
| PLT-SEC-T3-60-FM-UT | 2907917 | Single-phase surge protection device with status indicator, ideal for sensitive electronics. | |
| PLT-SEC-T3-60-FM-PT | 2907926 | Surge protection for single-phase networks, providing integrated signaling for maintenance alerts. |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
Global Shipping – We ship worldwide with secure packaging and reliable delivery.
Technical Support – Contact us for professional after-sales technical assistance.
