Phoenix Contact QUINT-PS'1AC'24DC'5 Industrial Power Supply

Product Details

QUINT-PS'1AC'24DC'5 Product Description

The Phoenix Contact QUINT-PS/1AC/24DC/5 is a high-efficiency, single-phase DIN-rail power supply delivering a stable 24 VDC / 5 A output for demanding industrial automation environments. Engineered within Phoenix Contact's renowned QUINT POWER series, this unit integrates active power boost, preventive function monitoring, and SFB (Selective Fuse Breaking) technology to ensure continuous, energy-optimized operation across smart production lines. Whether deployed in discrete manufacturing, process automation, or IIoT-enabled facilities, the QUINT-PS/1AC/24DC/5 serves as a precision energy-control node that reduces unnecessary power draw, stabilizes bus voltage, and protects downstream field devices from transient overloads.

In modern smart production lines, every watt counts. The QUINT-PS/1AC/24DC/5 is designed to serve as the stable energy backbone for a broad ecosystem of automation components. When paired with a Siemens SIMATIC S7-1200 PLC or a Mitsubishi MELSEC iQ-R series controller, the power supply ensures that the 24 VDC logic bus remains within tight tolerance, preventing spurious resets and protecting program execution integrity during load transients.

In drive-intensive applications, the QUINT-PS/1AC/24DC/5 supplies clean, regulated power to the control circuits of ABB ACS580 variable frequency drives and Yaskawa GA700 series inverters, both of which rely on stable auxiliary power for their internal gate drivers and communication interfaces. Voltage sags at the control input of a VFD can trigger unnecessary fault trips, increasing downtime and wasting the energy already consumed during motor spin-up. By maintaining output voltage within ±1%, this power supply eliminates that risk.

For servo motion control, the unit provides auxiliary 24 VDC to Panasonic MINAS A6 servo amplifiers and Beckhoff AX5000 series servo drives, ensuring that encoder feedback, brake release circuits, and safety relay coils receive uninterrupted power even during peak torque events on the main DC bus. This separation of control power from motor power is a fundamental energy management principle that reduces cross-interference and thermal loading within the control cabinet.

The QUINT-PS/1AC/24DC/5 also integrates seamlessly with Phoenix Contact TRIO POWER buffer modules and UPS-IQ series uninterruptible power modules, enabling bridging times of up to several seconds during mains interruptions — a critical feature for preventing data loss in Advantech ADAM-6000 series I/O modules and Moxa NPort industrial serial device servers that handle real-time field data. When connected to a Schneider Electric PowerLogic PM5000 power monitoring relay, the DC OK signal output of the QUINT-PS can feed into the energy management layer, providing granular visibility into 24 VDC bus health and load trends across the production cell.

In IIoT-enabled facilities, the power supply supports Siemens SCALANCE X-200 industrial Ethernet switches and Hirschmann RS20 managed switches, which require stable 24 VDC for port operation and PROFINET/EtherNet/IP communication. Stable auxiliary power at the network layer is often overlooked as an energy optimization lever, yet unstable supply voltage is one of the leading causes of packet loss and communication retries that inflate CPU load on the PLC and SCADA host.

Factory energy optimization is not solely about selecting high-efficiency motors or variable speed drives — it begins at the power supply level. The QUINT-PS/1AC/24DC/5 contributes to plant-wide energy reduction through several mechanisms. Its ≥ 91% conversion efficiency means that for every 120 W delivered to the 24 VDC bus, less than 11 W is dissipated as heat within the control cabinet. Over a three-shift, 24/7 production schedule, this efficiency advantage over conventional linear or lower-grade SMPS units translates into measurable reductions in annual kWh consumption and cooling load.

The integrated SFB (Selective Fuse Breaking) technology delivers up to three times the rated current for 12 milliseconds, enabling reliable tripping of downstream miniature circuit breakers without requiring oversized power supplies. This means engineers can right-size the PSU to actual load rather than over-specifying capacity as a safety margin — a common source of chronic part-load inefficiency in control panels. Right-sizing the power supply reduces both capital expenditure and ongoing energy waste from operating a large PSU at 20–30% load.

The built-in DC OK relay output and preventive function monitoring allow the QUINT-PS/1AC/24DC/5 to participate in predictive maintenance strategies. By monitoring output voltage drift and load current trends via the relay signal — fed into a Siemens SIMATIC ET 200SP distributed I/O or a Phoenix Contact FL SWITCH industrial Ethernet switch — maintenance teams can identify aging capacitors, increasing contact resistance, or growing load imbalances before they cause unplanned downtime. Unplanned stops are among the highest-cost energy events in manufacturing: restarting a production line consumes significant inrush current and wastes the thermal energy already invested in heating process equipment to operating temperature.

For facilities implementing ISO 50001 energy management systems or targeting carbon neutrality milestones, the QUINT-PS/1AC/24DC/5 provides a documented, certifiable efficiency data point at the control system level. Its UL, CE, and ATEX Zone 2 certifications ensure compliance across global plant standards, reducing the administrative burden of multi-site energy audits. Combined with a structured preventive maintenance schedule, in-stock availability, and factory shipment testing, this unit supports both operational continuity and long-term sustainability targets.

Q1: What energy savings can I expect compared to a standard industrial power supply? The QUINT-PS/1AC/24DC/5 achieves ≥ 91% efficiency at full load, compared to 75–85% for conventional industrial SMPS units. In a 120 W application running 8,000 hours per year, this efficiency improvement reduces heat dissipation by approximately 7–19 W continuously, lowering cabinet cooling requirements and annual electricity costs. Across multiple control panels in a facility, the cumulative savings are significant.

Q2: Is the QUINT-PS/1AC/24DC/5 compatible with my existing PLC and VFD control circuits? Yes. The unit outputs a stable 24 VDC (adjustable 18–29.5 VDC) suitable for the control circuits of all major PLC platforms (Siemens, Mitsubishi, Omron, Rockwell) and the auxiliary inputs of leading VFD and servo drive brands. The wide input range (85–264 VAC) ensures compatibility with both 110 VAC and 230 VAC facility power without rewiring.

Q3: What is the recommended replacement or upgrade path if my current 24 VDC supply is failing? The QUINT-PS/1AC/24DC/5 is a direct DIN-rail drop-in replacement for most 24 VDC / 5 A industrial power supplies. Verify terminal pitch and DIN rail width (TH35) before installation. If your application requires higher current, the QUINT POWER series offers 10 A, 20 A, and 40 A variants with the same form factor and signaling interface, allowing scalable upgrades without redesigning the control panel layout.

Q4: What does the 12-Month Warranty cover, and how is shipment testing performed? Every QUINT-PS/1AC/24DC/5 unit is tested prior to shipment for output voltage accuracy, load regulation, and DC OK signal function. The 12-Month Warranty covers manufacturing defects and component failures under normal operating conditions. Units are shipped with original manufacturer documentation. For warranty claims, contact our support team with the order reference and a description of the fault; replacement or repair is coordinated within the warranty period at no additional cost.