ABB Bailey NPSI04 Power Supply Module Excellent PLC Co.,Ltd

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ABB Bailey NPSI04 Power Supply Module

Manufacturer:ABB Bailey

Product Number:NPSI04

Product Type:Power Supply Module

Origin:Sweden

Dimensions:330 x 270 x 40 mm

Weight:10.91 kg

Views:159

Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Shipping Port:Xiamen, China

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

Courier partners:DHL, UPS, TNT, FedEx and EMS.

Business hours:7*24


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Company Information
E-mail [email protected]
Mobile +8613666033393
Whatsapp +8613666033393
WeChat 13666033393
Add Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

ABB Bailey NPSI04 Power Supply Module

Product Introduction

The ABB Bailey NPSI04 Power Supply Module is an essential component in the Bailey INFI 90 Distributed Control System (DCS), designed to deliver clean, stable, and isolated DC power to control system modules. As an enhancement over previous models like the NPSI03, the NPSI04 offers improved power capacity and efficiency, making it a reliable source of uninterrupted power for critical automation equipment.

Built with robust industrial-grade components and protection features, the NPSI04 ensures optimal performance and high system availability in demanding sectors such as power generation, petrochemical processing, water treatment, and industrial manufacturing. Its rack-mounted design allows for easy integration into existing INFI 90 chassis without modification, supporting both primary and redundant configurations.


Product Specifications

Parameter Specification
Product Name ABB Bailey NPSI04 Power Supply Module
Part Number NPSI04
System Compatibility INFI 90, NET 90 DCS Series
Input Voltage 120/240 VAC ±10%, 50/60 Hz
Output Voltage +5 VDC, ±15 VDC (fully regulated)
Total Output Power Up to 175 Watts (combined output)
Power Regulation ±1% under full load
Output Ripple & Noise < 50 mVp-p
Protection Features Overvoltage, Overload, Short Circuit, Thermal Shutdown
Status Indicators Front panel LEDs for output voltage status
Cooling Method Natural convection
Installation Type Rack-mounted in INFI 90 backplane
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -40°C to +85°C
Relative Humidity 5% to 95% non-condensing
Certifications UL, CSA, CE, RoHS compliant
Construction Aluminum enclosure with high-grade electronic components
Dimensions 330 x 270 x 40 mm
Weight 10.91 kg

Product Applications

The ABB NPSI04 Power Supply Module is purpose-built for critical control environments and industrial systems requiring stable DC power for logic modules, I/O modules, and communication interfaces. Key application scenarios include:

  • INFI 90 DCS Power Distribution

  • Primary or Redundant Power Supply for Control Racks

  • Power Generation Plants (coal, gas, nuclear, hydro)

  • Oil Refineries and Chemical Processing Units

  • Water and Wastewater Automation Systems

  • Paper, Steel, and Cement Manufacturing Facilities

  • Process Control Rooms with continuous operation demand

Its design ensures system stability during power disturbances and supports critical system redundancy to avoid unexpected shutdowns or data loss.


Product Advantages

  • High Reliability: Engineered to operate 24/7 in mission-critical industrial systems.

  • Improved Power Handling: Offers higher output capacity compared to older power module variants.

  • Redundant-Ready: Can be deployed as part of a dual power setup for uninterrupted operation.

  • Fault Protection: Includes multiple layers of protection for electrical and thermal events.

  • Field Proven Compatibility: Fully tested with legacy and modern INFI 90 configurations.

  • Plug-and-Play Installation: Easily slides into standard ABB racks without additional wiring.

  • Diagnostic Visibility: LED indicators provide instant feedback on module performance.

  • Low Maintenance: Minimal servicing required due to robust design and passive cooling.


Frequently Asked Questions (FAQs)

  1. What does the NPSI04 module power within the DCS system?
    It supplies DC power to system CPUs, I/O modules, communication interfaces, and backplane logic.

  2. Is the NPSI04 an upgrade to NPSI03?
    Yes, it offers improved output power, efficiency, and slightly enhanced thermal performance.

  3. Can the NPSI04 be used in a redundant configuration?
    Yes, two NPSI04 units can be installed in parallel to ensure continuous power.

  4. What happens in case of a short circuit?
    The module automatically enters protection mode and shuts down until the fault is cleared.

  5. Does the module require external cooling?
    No, it is convection-cooled and does not rely on fans or active cooling systems.

  6. How can I identify a failed or underperforming unit?
    Check the LED indicators on the front panel; abnormal behavior or absence of light may indicate failure.

  7. What type of output does the NPSI04 provide?
    It delivers regulated DC output: +5 VDC and ±15 VDC to various DCS components.

  8. Can the NPSI04 handle voltage fluctuations from the grid?
    Yes, it tolerates ±10% input voltage variation without affecting output regulation.

  9. How long is the expected lifespan of this module?
    Typically over 10 years in normal operating conditions with occasional inspection.

  10. Is it compatible with ABB Symphony Plus systems?
    While primarily for INFI 90, it may be integrated with Symphony Plus in hybrid legacy environments.


Related Models (Same Series or Functionally Equivalent)

Model Number Description Input Voltage Output Voltage Application Dimensions (mm) Weight
NPSI03 Previous version power supply module 120/240 VAC +5V, ±15V INFI 90 330×270×40 2.2 kg
NPSM01 Power supply with monitoring functionality 120/240 VAC +5V, ±15V INFI 90 330×270×40 2.3 kg
NPBA01 Power Bus Adapter for rack systems 120/240 VAC Passive bus Power bridging in DCS racks 330×270×25 1.5 kg
NDSI01 Data signal isolator module 24 VDC Isolated signal INFI 90/Field Signal Systems 180×100×40 1.2 kg
IMASI23 Analog Signal Input module Analog input for INFI 90 330×270×40 1.7 kg
INNIS21 Network Interface Module Interface in DCS racks 330×270×40 2.0 kg

Popular ABB Models (Other Series and Applications)

Model Number Description Application Area Input Voltage Dimensions (mm) Weight
PM864AK01 High-performance CPU for AC800M 800xA DCS Control 24 VDC 185×140×75 1.5 kg
CI854AK01 PROFIBUS-DP Communication Module Network Interface 24 VDC 130×120×70 0.9 kg
AI810 8-Channel Analog Input Module S800 I/O Series 24 VDC 120×70×60 0.3 kg
CP600-Pro Touchscreen HMI Panel Operator Interface 24 VDC 240×180×60 1.8 kg
DCS880-S02-0150-05 DC Drive for Motor Control Motion and Industrial Drives 200–500 VDC 300×200×180 5.2 kg
PM573-ETH Compact PLC CPU for AC500 PLC and Small Control Apps 24 VDC 160×100×75 0.85 kg

Frequently Asked Questions (FAQs)

  1. What does the NPSI04 module power within the DCS system?
    It supplies DC power to system CPUs, I/O modules, communication interfaces, and backplane logic.

  2. Is the NPSI04 an upgrade to NPSI03?
    Yes, it offers improved output power, efficiency, and slightly enhanced thermal performance.

  3. Can the NPSI04 be used in a redundant configuration?
    Yes, two NPSI04 units can be installed in parallel to ensure continuous power.

  4. What happens in case of a short circuit?
    The module automatically enters protection mode and shuts down until the fault is cleared.

  5. Does the module require external cooling?
    No, it is convection-cooled and does not rely on fans or active cooling systems.

  6. How can I identify a failed or underperforming unit?
    Check the LED indicators on the front panel; abnormal behavior or absence of light may indicate failure.

  7. What type of output does the NPSI04 provide?
    It delivers regulated DC output: +5 VDC and ±15 VDC to various DCS components.

  8. Can the NPSI04 handle voltage fluctuations from the grid?
    Yes, it tolerates ±10% input voltage variation without affecting output regulation.

  9. How long is the expected lifespan of this module?
    Typically over 10 years in normal operating conditions with occasional inspection.

  10. Is it compatible with ABB Symphony Plus systems?
    While primarily for INFI 90, it may be integrated with Symphony Plus in hybrid legacy environments.

Related Models (Same Series or Functionally Equivalent)

Model Number Description Input Voltage Output Voltage Application Dimensions (mm) Weight
NPSI03 Previous version power supply module 120/240 VAC +5V, ±15V INFI 90 330×270×40 2.2 kg
NPSM01 Power supply with monitoring functionality 120/240 VAC +5V, ±15V INFI 90 330×270×40 2.3 kg
NPBA01 Power Bus Adapter for rack systems 120/240 VAC Passive bus Power bridging in DCS racks 330×270×25 1.5 kg
NDSI01 Data signal isolator module 24 VDC Isolated signal INFI 90/Field Signal Systems 180×100×40 1.2 kg
IMASI23 Analog Signal Input module Analog input for INFI 90 330×270×40 1.7 kg
INNIS21 Network Interface Module Interface in DCS racks 330×270×40 2.0 kg

Popular ABB Models (Other Series and Applications)

Model Number Description Application Area Input Voltage Dimensions (mm) Weight
PM864AK01 High-performance CPU for AC800M 800xA DCS Control 24 VDC 185×140×75 1.5 kg
CI854AK01 PROFIBUS-DP Communication Module Network Interface 24 VDC 130×120×70 0.9 kg
AI810 8-Channel Analog Input Module S800 I/O Series 24 VDC 120×70×60 0.3 kg
CP600-Pro Touchscreen HMI Panel Operator Interface 24 VDC 240×180×60 1.8 kg
DCS880-S02-0150-05 DC Drive for Motor Control Motion and Industrial Drives 200–500 VDC 300×200×180 5.2 kg
PM573-ETH Compact PLC CPU for AC500 PLC and Small Control Apps 24 VDC 160×100×75 0.85 kg

ABB Bailey NPSI04 Power Supply Module

Company Information
E-mail [email protected]
Mobile +8613666033393
Whatsapp +8613666033393
WeChat 13666033393
Add Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.

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