Phoenix Contact QUINT-PS/1AC/24DC/40 Energy-Saving DIN Rail PSU

Phoenix Contact QUINT-PS/1AC/24DC/40 Energy-Saving DIN Rail PSU: Precision Power for Energy-Efficient Automation

The Phoenix Contact QUINT-PS/1AC/24DC/40 is a high-performance, single-phase DIN rail power supply delivering a stable 24 VDC output at 40 A, engineered specifically for demanding industrial automation environments where energy efficiency, uptime, and load reliability are non-negotiable. As part of Phoenix Contact’s renowned QUINT Power series, this unit integrates advanced power electronics that actively minimize energy waste across the full load spectrum — from light-load standby conditions to peak-demand production cycles.

In modern manufacturing, unregulated power consumption is one of the most overlooked sources of operational cost. The QUINT-PS/1AC/24DC/40 addresses this directly by maintaining high conversion efficiency even under partial load, reducing heat dissipation, and extending the service life of downstream components including PLCs, servo drives, I/O modules, and field sensors. Its SFB (Selective Fuse Breaking) technology ensures that even low-impedance short circuits are cleared reliably, protecting the entire control cabinet from cascading failures that would otherwise halt production lines and inflate maintenance budgets.

Efficiency Performance Table

Energy-Aware Automation Architecture

The QUINT-PS/1AC/24DC/40 is designed to serve as the power backbone of an integrated, energy-aware control architecture. In a typical production cell, this power supply feeds a Phoenix Contact AXC F 2152 AXL controller running IEC 61131-3 logic for coordinated machine sequencing. Distributed I/O expansion is handled via Axioline F I/O modules connected over PROFINET, enabling real-time feedback from field sensors without introducing additional power conversion stages.

On the drive side, the QUINT-PS/1AC/24DC/40 provides clean, stable 24 VDC bus power to the control circuits of Phoenix Contact CONTACTRON motor management relays and interfaces with Danfoss FC 302 variable frequency drives managing conveyor and pump motors. The VFDs regulate motor speed in response to actual process demand rather than running at fixed speed, dramatically cutting energy consumption during low-throughput periods. The stable output voltage from the QUINT supply ensures that the VFD control boards receive consistent power, preventing nuisance trips caused by voltage sag during motor start sequences.

For energy monitoring, the system integrates Phoenix Contact EEM-MA370 energy measurement modules that log real-time kWh consumption per production zone. These modules communicate upstream via Modbus TCP to a SCADA or MES layer, where energy KPIs are tracked against production output. The QUINT-PS/1AC/24DC/40’s high efficiency means that the power supply itself contributes minimal heat to the panel, reducing the duty cycle of panel air conditioners — a secondary but measurable energy saving in high-ambient environments.

Safety and status signaling is managed through Phoenix Contact PSR safety relays and QUINT ORING redundancy modules, which allow parallel power supply configurations for critical lines. When one QUINT unit is serviced, the ORING module seamlessly transfers load to the redundant unit, eliminating downtime. The QUINT-PS/1AC/24DC/40’s built-in DC OK signal output connects directly to the PLC’s digital input card, enabling the controller to log power events and trigger predictive maintenance alerts before a fault escalates to a line stoppage.

HMI visualization is provided by a Phoenix Contact TP 3121T touch panel mounted at the operator station, displaying live power supply status, output current trends, and energy consumption dashboards. Operators can immediately identify abnormal load conditions — such as a seized conveyor motor drawing excess current — and respond before the issue causes a production interruption.

Power Optimization in Real Production Lines

In automotive body shop applications, the QUINT-PS/1AC/24DC/40 powers the 24 VDC control bus for robotic welding cell PLCs and servo amplifiers. Because the QUINT series maintains output regulation within ±1% across the full load range, servo drives receive the precise control voltage required for accurate torque and position control, directly improving weld quality consistency and reducing rework rates. Fewer rework cycles mean less energy consumed per good part produced — a direct contribution to the plant’s energy intensity KPI.

In food and beverage packaging lines, the power supply’s wide operating temperature range and IP20 rating allow installation in compact control panels adjacent to high-speed filling machines. The SFB technology’s ability to deliver 150% rated current for short durations allows the system to ride through motor inrush events without tripping, maintaining line throughput and avoiding the energy waste associated with restart sequences and product loss during unplanned stops.

For water treatment facilities operating variable-speed pump stations, the QUINT-PS/1AC/24DC/40 feeds the control electronics of multiple VFD-driven pump motors. The power supply’s high efficiency reduces the facility’s auxiliary power consumption, and its long MTBF (Mean Time Between Failures) minimizes the frequency of unplanned maintenance interventions — each of which would require a technician visit and potential pump downtime. Predictive maintenance integration via the DC OK signal allows facility managers to schedule power supply replacements during planned outages, eliminating emergency callouts.

All units supplied by ZYPLC are sourced from authorized distribution channels, subjected to full functional output testing prior to shipment, and covered by a 12-month warranty. Stock is maintained in our warehouse to support urgent project timelines, with same-day dispatch available for in-stock items.

Energy Optimization FAQ

Q1: How much energy can the QUINT-PS/1AC/24DC/40 save compared to a standard industrial power supply?
The QUINT-PS/1AC/24DC/40 achieves up to 95.5% conversion efficiency, compared to 85–88% typical for conventional industrial PSUs. In a 40 A continuous-load application running 8,000 hours per year, this efficiency difference can reduce annual power losses by over 300 kWh per unit — translating to measurable reductions in electricity cost and panel cooling load.

Q2: Is the QUINT-PS/1AC/24DC/40 compatible with my existing PLC and drive system?
Yes. The unit outputs standard 24 VDC (adjustable 18–29.5 VDC) and is compatible with virtually all IEC 61131-3 compliant PLCs, servo amplifiers, VFD control boards, distributed I/O systems, and safety relays from major manufacturers including Siemens, Allen-Bradley, Mitsubishi, Omron, and Phoenix Contact’s own Axioline and Inline product families.

Q3: What is the recommended replacement or upgrade path from an older Phoenix Contact power supply?
The QUINT-PS/1AC/24DC/40 is a direct form-fit-function upgrade for earlier QUINT and TRIO series 24 VDC / 40 A units. The DIN rail footprint and terminal layout are compatible with most existing panel designs, minimizing retrofit engineering time. For applications requiring redundancy, pairing with a QUINT ORING module is recommended.

Q4: What does the 12-month warranty cover, and how is pre-shipment testing conducted?
Every QUINT-PS/1AC/24DC/40 unit shipped by ZYPLC undergoes a full output load test verifying voltage regulation, current limiting behavior, and SFB function before dispatch. The 12-month warranty covers manufacturing defects and functional failures under normal operating conditions. Warranty claims are processed directly through ZYPLC with replacement units dispatched from stock to minimize customer downtime.

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