ABB NPSI03 power supply module

Product Overview

The ABB NPSI03 Power Supply Module is a key power component in industrial automation systems, providing stable and reliable DC power for control modules, I/O units, and peripheral devices.
It features overvoltage, overcurrent, and short-circuit protection to ensure stable operation of automation systems. Widely used in PLC, DCS systems, motor control, and industrial production lines.

Technical Specifications

Model: NPSI03
Module Type: Power Supply Module
Input Voltage: AC 110–240 V
Output Voltage: 24 V DC
Output Current: 5 A
Output Power: 120 W
Efficiency: >90%
Ripple Voltage: <50 mV
Response Time: <10 ms
Overload Protection: Automatic current limiting
Short-Circuit Protection: Automatic recovery
Operating Temperature: 0°C to +55°C
Storage Temperature: -25°C to +70°C
Humidity: 5%–95%, non-condensing
Protection Rating: IP20
Mounting: DIN rail
Dimensions: approx. 125 × 55 × 100 mm
Weight: approx. 0.7 kg
Certifications: CE / UL / RoHS

Features & Advantages

1. High Stability – Stable output voltage ensures proper operation of downstream modules.

2. Multiple Protections – Overload, short-circuit, and overvoltage protection enhance system safety.

3. High Efficiency Design – Conversion efficiency >90% for energy saving.

4. Fast Response – Response time under 10 ms accommodates dynamic industrial loads.

5. DIN Rail Mounting – Easy integration into control cabinets and simple maintenance.

6. Industrial-Grade Reliability – Interference-resistant design suitable for long-term continuous operation.

Applications

• Power supply for industrial automation systems

• PLC and DCS control systems

• Motor drive and control units

• Automated production lines and process control

• Data acquisition and monitoring systems

• Smart factories and energy management systems

Precautions

1. Disconnect power before installation or maintenance to ensure safety.

2. Input voltage must comply with module specifications to avoid damage.

3. Output load must remain within rated range to avoid overload.

4. Maintain good heat dissipation to prevent high-temperature operation.

5. Regularly check terminal connections and module status.

6. Use genuine ABB NPSI03 modules to ensure system compatibility and long-term reliable operation.

The structure and details of the product：

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