IPS21-24V-35AD 3BHE032593R0001 ABB Industrial power supply unit

The IPS21-24V-35AD 3BHE032593R0001 is a high-efficiency industrial power supply unit designed by ABB for integration into automation and control systems. Part of ABB’s IPS Series, this unit is engineered to deliver stable and reliable 24V DC power to critical components such as PLCs, I/O modules, and sensors within distributed control systems (DCS), robotics, and process automation networks. Its rugged design ensures uninterrupted operation in harsh industrial environments, making it a cornerstone for powering mission-critical applications.

Technical Parameters

1. Input Specifications:

• Input Voltage Range: 100–240V AC (50/60 Hz), universal input for global compatibility.
• Input Current: 8A maximum at 100V AC.
• Inrush Current Protection: <25A (per IEC 61000-3-3).

2. Output Specifications:

• Output Voltage: 24V DC (±1% voltage stability).
• Output Current: 35A continuous, 40A peak (10 seconds).
• Power Rating: 840W (35A × 24V).
• Efficiency: >93% at full load (EN 61558-2-16 compliant).
• Ripple Noise: <150mV peak-to-peak.

3. Protection & Safety:

• Overload Protection: Automatic current limiting with auto-recovery.
• Overvoltage Protection: Shutdown at >28V DC.
• Short-Circuit Protection: Hiccup mode with auto-restart.
• Thermal Protection: Shutdown at >85°C with derating above 50°C.

4. Environmental Resilience:

• Operating Temperature: -25°C to +70°C (derating linearly above 60°C).
• Storage Temperature: -40°C to +85°C.
• Humidity: 5–95% non-condensing.
• Vibration Resistance: 5g (10–500 Hz, IEC 60068-2-6).
• Shock Resistance: 50g (11ms, IEC 60068-2-27).
• Protection Rating: IP20 (open-frame design), optional IP65 enclosure.

5. Communication & Monitoring:

• Status Indicators: LED indicators for power, fault, and load status.
• Remote Control: Optional digital signal interface (24V DC) for enable/disable.
• Diagnostics: Output voltage/current monitoring via analog signals (0–10V/4–20mA).

6. Certifications:

• Safety Standards: UL 508, CE, EN 62368-1, IEC 62477-1 (OVC III).
• EMC Compliance: EN 55032 (Class A), EN 61000-4 (Immunity Level 3).
• Environmental: RoHS, REACH.

Functional Capabilities

• Redundant Configuration: Parallel operation with up to 3 units for N+1 redundancy.
• Hot-Swappable Design: Replace units without system downtime (requires external ORing diodes).
• Wide Temperature Range: Operates in extreme cold or heat, ideal for outdoor or unheated facilities.
• Active Power Factor Correction (PFC): >0.95 power factor at full load (EN 61000-3-2).
• Scalability: Compatible with ABB’s System Pro M power distribution systems for modular expansion.

Key Applications

• Factory Automation: Powering PLCs, motor drives, and robotic controllers.
• Energy Systems: Backup power for substation control and renewable energy inverters.
• Oil & Gas: Offshore platform instrumentation and safety systems.
• Transportation: Rail signaling and tunnel ventilation control.

Conclusion

The IPS21-24V-35AD 3BHE032593R0001 by ABB combines high power density, industrial-grade durability, and advanced protection features to meet the demands of modern automation. Its ability to deliver stable 24V DC power under extreme conditions, paired with seamless scalability and redundancy, makes it an indispensable component for ensuring operational continuity in critical industrial infrastructure.