ABB IPS 21-35AD 3BHB017688R0001 Isolated Power Supply

The ABB IPS 21-35AD 3BHB017688R0001 isolated power supply is a high-end, industrial-grade DC power supply module designed to meet the demanding requirements of modern automation and process control environments. Utilizing ABB’s advanced isolation technology, the power supply provides electrical isolation between input and output circuits, effectively eliminating ground loops, minimizing electrical interference, and protecting sensitive electronic equipment.

The IPS 21-35AD boasts a high output current capacity of 35A at 24V DC, enabling continuous and stable power delivery to a wide range of industrial equipment, including PLCs, DCS controllers, motor drives, and safety systems. Its rugged construction is designed for harsh industrial environments, ensuring reliable performance even in the presence of temperature fluctuations, electrical noise, and mechanical vibration.

Product Specifications

Applications

• Industrial Automation: Supplies isolated power to PLCs, HMIs, and distributed control systems ensuring stable operation.

• Motor Drives and Servo Systems: Provides clean DC power for drive controllers and motor management units.

• Process Control and Safety Systems: Ensures reliable operation of emergency shutdown systems and critical process instruments.

• Power Generation and Distribution: Delivers isolated control power in substations and power plants.

• Communication Networks: Reduces noise and ground loops in industrial Ethernet and fieldbus infrastructures.

• Test & Measurement Equipment: Provides stable, low-ripple power for sensitive electronic instrumentation.

Product Advantages

• High Isolation Performance: Ensures galvanic separation between circuits to protect control systems from electrical surges and interference.

• Stable Output with Low Ripple: Maintains clean DC voltage suitable for sensitive electronics.

• Robust Industrial Design: Built to operate in harsh environments with wide temperature tolerance.

• Comprehensive Protection Features: Integrated safeguards against short circuits, overloads, and thermal faults.

• Wide Input Voltage Compatibility: Operates under various industrial and grid conditions.

• High Energy Efficiency: Minimizes power loss, reducing operational costs and heat generation.

• Flexible Mounting Options: Supports both DIN-rail and panel installations to fit diverse system layouts.

FAQ

1. What is the maximum continuous current output of the IPS 21-35AD under rated conditions?

   It can deliver up to 35A continuous at 24V DC without derating in its nominal operating temperature range.

2. Does this power supply support redundant configurations for high availability?

   Yes, it is designed to be used in N+1 redundant setups to ensure uninterrupted power for critical systems.

3. What is the rated isolation voltage between input and output circuits?

   The unit provides 3 kV AC isolation to protect against electrical transients and ensure safety.

4. Can multiple IPS 21-35AD units be operated in parallel to increase power capacity?

   Yes, with proper load balancing, multiple units can be connected in parallel to meet higher power requirements.

5. Does the power supply include active Power Factor Correction (PFC)?

   Yes, it integrates active PFC to maintain high efficiency and low harmonic distortion.

6. What is the typical response time to a load transient?

   For a 50% step load change, the transient recovery time is typically less than 2 milliseconds.

7. Is the IPS 21-35AD designed for high-vibration industrial environments?

   Yes, it meets industrial shock and vibration standards and is suitable for heavy-duty installations.

8. What protection features are built into the device?

   It includes overvoltage, overcurrent, short circuit, and overtemperature protection mechanisms.

9. Can the IPS 21-35AD be used with a battery backup system?

   Yes, it is compatible with industrial battery backup systems and UPS systems for critical applications.

10. What is the typical efficiency at full load?

    Efficiency at rated output is typically 91%, reducing energy loss and heat generation.