



The ABB Bailey NSPS02 Power Supply Unit is an industrial power module designed for the ABB Bailey INFI 90 / Net 90 Distributed Control System (DCS). It provides regulated DC power to system controllers, communication modules, and I/O devices, ensuring stable and uninterrupted operation of the control system.
In industrial automation environments, reliable power distribution is critical for maintaining continuous process control. The NSPS02 is engineered to deliver stable DC output with overload protection and industrial-grade reliability, making it suitable for long-term operation in harsh process industries.
It is widely used in legacy ABB Bailey systems across power generation, petrochemical, oil & gas, water treatment, and manufacturing facilities.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | Power Supply Unit |
| System Compatibility | ABB Bailey INFI 90 / Net 90 |
| Main Function | AC-to-DC power conversion |
| Input Voltage | 120 VAC / 220 VAC |
| Output Voltage | 24 VDC |
| Output Current | 2–5 A (model dependent) |
| Mounting Type | DIN rail / cabinet installation |
| Protection Features | Overload & short-circuit protection |
| Status Indicators | LED power indicators |
| Hot Swap Support | Yes |
| Operating Environment | Industrial automation systems |
| Operating Duty | Continuous 24/7 operation |
The NSPS02 supplies regulated DC power to Bailey Network 90 modules and supports stable operation of distributed control systems.
Physical Dimensions & Weight
| Specification | Value |
|---|---|
| Dimensions (H × W × D) | 178 mm × 305 mm × 127 mm |
| Weight | ~2.7 kg |
The module is designed for industrial cabinet installation and supports rugged operation in demanding environments.
Recommended Related Models
- ABB Bailey NSPS01 Power Supply Unit
- ABB Bailey NSDM01 DC/DC Converter Module
- ABB Bailey NSBM01 Superloop Bus Module
- ABB Bailey NPIM01 Processor Interface Module
- ABB Bailey NMFP01 Processor Module
These modules are commonly integrated with NSPS02 to build complete ABB Bailey power and communication architectures.
Popular ABB Bailey Models
- NSPS02 Power Supply Unit
- NSPS01 Power Supply Unit
- NSDM01 DC/DC Converter Module
- NMFC02 Controller Module
- NMFP01 Processor Module
These ABB Bailey components remain widely used in long-life industrial automation systems requiring stable legacy DCS infrastructure.