ABB Bailey NPSI03 Network 90 / INFI 90 I/O Power Supply Module

SKU NPSI03

In stock

12-month warranty
Free returns within 30 days

Manufacturer: ABB
Product No.: NPSI03
Origin Sweden
Product Type: I/O Power Supply Module
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 4.1 kg
Dimensions: 178 mm x 125 mm x 298 mm (H x W x D)
Shipping port: Xiamen
Warranty: 12 months

Product Description

Description

The Bailey NPSI03 is a legacy hardware component operating as a dedicated 24-Vdc I/O power supply module engineered for network infrastructure power management within distributed control systems (DCS). It regulates and distributes operating power from main lines directly to regional Input/Output cards to ensure continuous loop signal integrity. This power supply unit features automated voltage stabilization logic designed to support structural automation modules in factory environments while processing power loads up to 530VA without system failure or latency.

Features

Dedicated 24-Vdc regulated secondary bus output designed for precise field loop instrumentation power supply needs.
High-capacity power conversion block rated to process load conditions up to 530VA continuously.
Integrated base frame interface configured for clean mechanical installation straight inside the NIOP02 mounting unit.

Applications

Distributed power regulation across historical Network 90 and INFI 90 control architectures.
Legacy plant control room updates requiring drop-in electrical component replacement.
Regulated 24-Vdc power feed distribution to operational analog and digital I/O channels.

Technical Specifications

Parameter	Value
Manufacturer	Bailey Controls (ABB)
Model	NPSI03
Series	Network 90 / INFI 90
Product Type	I/O Power Supply Module
Input Voltage	120/240 VAC
Output Voltage	24 VDC
Power Capacity	530 VA
Mounting Compatibility	NIOP02

Installation Guidelines

Module Mounting: Align the structural base tracks of the power module into the designated slot positions within the NIOP02 mounting assembly and insert securely until the rear connection tabs lock.
Electrical Isolation: Always isolate primary alternating current lines before beginning hardware replacement or maintenance loops on the power supply chassis.
Cooling Clearance: Keep passive airflow slots on the unit faceplate entirely unobstructed to prevent boundary thermal build-up from altering output stability.

Shipping & Returns

Global Express Shipping

Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our technical warranty.

FAQ

What is the primary function of the device?

The device acts as a 24-Vdc I/O power supply module that provides power management and distribution to I/O hardware within legacy distributed control systems.

What are the electrical input and power capacity specifications?

The power supply operates at an input voltage of 120/240 VAC with a total load capacity of 530VA.

Which base structure is this module designed to mount into?

The power supply unit is designed to be installed and mounted directly into the NIOP02 mounting unit.

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NPSI03

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