Product Overview: Phoenix Contact 2900297 (QUINT-PS/1AC/24DC/10)

The Phoenix Contact 2900297 is a high-performance industrial power supply from the QUINT series, officially designated as QUINT-PS/1AC/24DC/10. This power supply unit (PSU) is designed for critical industrial and automation applications where maximum reliability, system availability, and intelligent monitoring are essential. With a 1-phase AC input and a regulated 24 V DC output at 10 A, the 2900297 model is optimized for demanding environments requiring stable power, early fault detection, and high system uptime.

Electrical Specifications

* Input Voltage (Nominal Range):
100–240 V AC ±10% (wide-range input for global compatibility)
110–250 V DC (DC input supported for redundancy or backup systems)

* Input Frequency:
50–60 Hz ±5 Hz

* Inrush Current:
< 20 A (typical)

* Power Factor Correction (PFC):
Active PFC included, ensuring compliance with EN 61000-3-2

* Output Voltage (Nominal):
24 V DC (adjustable from 18 to 29.5 V via front potentiometer)

* Output Current:
Continuous 10 A

* Output Power:
240 W nominal

* Boost Power (Power Reserve):
Static boost: 1.25× rated current (12.5 A) continuously
Dynamic boost: 1.5× rated current (15 A) for up to 5 seconds
These boost capabilities allow for reliable operation of inductive or capacitive loads with high start-up demands.

Efficiency and Power Quality

* Efficiency:
Up to 94.6% at full load
High efficiency reduces power losses and contributes to lower enclosure temperatures, minimizing cooling requirements.
* Ripple and Noise:
< 50 mVpp, ensuring clean power for sensitive control systems

Protective Features

* Overload Protection:
Constant current mode with automatic recovery after overload is cleared
* Short Circuit Protection:
Electronic protection with current limitation
* Overvoltage Protection:
Internal overvoltage protection activates above ~32 V DC
* Temperature Protection:
Derating above 60°C; shutdown possible under extreme conditions
* MTBF (Mean Time Between Failures):

> 500,000 hours (IEC 61709, SN29500, at 40°C)

Control and Diagnostics

* Integrated Preventive Function Monitoring:
Uses analog and relay signals to report critical states such as:

* Output voltage below threshold
* Load level nearing maximum
* Excessive temperature
* DC OK Signal Output:
Relay contact and active transistor output for integration with PLCs or monitoring systems
* Remote Monitoring:
Analog output (0–6 V) corresponds to load current level
This real-time feedback allows predictive maintenance and proactive load management.

Mechanical and Mounting Details

* Dimensions (W × H × D):
60 mm × 130 mm × 125 mm
* Weight:
Approximately 1.1 kg
* Mounting Type:
DIN rail mounting (EN 60715 compatible)
* Housing Material:
Metal, robust industrial-grade enclosure
* Cooling Method:
Convection cooling (fanless design)

Environmental Specifications

* Operating Temperature Range:
-25°C to +70°C (with derating above +60°C)
* Storage Temperature Range:
-40°C to +85°C
* Relative Humidity:
5% to 95%, non-condensing
* Altitude:
Up to 5,000 m above sea level (with derating)
* Vibration Resistance:
Tested according to IEC 60068-2-6
* Shock Resistance:
Tested according to IEC 60068-2-27
This makes the PSU suitable for installation in control cabinets located in factories, field enclosures, or mobile installations.

Certifications and Compliance

* Safety Approvals:
UL Listed (UL 508, UL 60950), IEC/EN 60950-1, CAN/CSA-C22.2
* EMC Compliance:
EN 61000-6-2 (Immunity for industrial environments)
EN 61000-6-3 (Emissions standard)
* Environmental Compliance:
RoHS, REACH compliant
* SEMI F47 Compliance:
For semiconductor manufacturing voltage sag immunity

Application Areas

* Industrial Automation Systems:
Provides reliable 24 V DC power to PLCs, I/O modules, sensors, and HMI panels
* Process Control and SCADA:
Ensures continuous DC power to instrumentation and control subsystems
* Machine Building:
Handles load peaks during machine cycles and actuations
* Transport and Infrastructure:
Robust enough for use in transportation, utility substations, and communications networks
* Renewable Energy and Utilities:
Suitable for PV inverter stations, wind turbine controllers, and smart grid components

Design Advantages

* Wide Output Adjustment:
Enables direct compensation for long cable lengths or voltage drops
* Fanless Cooling:
Improves reliability and reduces maintenance
* High Peak Current Capability:
Drives high inrush loads like contactors, solenoids, and motors without triggering shutdown
* Integrated Diagnostics:
Preventive monitoring reduces unexpected downtime and supports Industry 4.0 frameworks

Conclusion

The Phoenix Contact 2900297 (QUINT-PS/1AC/24DC/10) is a feature-rich, high-reliability power supply tailored for demanding industrial environments. Its high efficiency, intelligent monitoring functions, dynamic power boost capability, and broad input/output flexibility make it ideal for critical control and automation tasks. With comprehensive protection features, global certifications, and robust mechanical design, it is engineered to deliver consistent, safe, and efficient power in complex systems requiring maximum uptime.