The ABB PHARPSPEP21012 is a high-performance Power Entry Panel (PEP) engineered as the primary point of AC or DC power distribution for ABB‘s Modular Power System III (MPS III) architecture. Designed specifically for Bailey INFI 90, Net 90, and Symphony Harmony distributed control systems (DCS) , this dual-chassis panel serves as the critical interface between external power sources and the control system’s internal power distribution network.

As a member of ABB’s esteemed PEP series, the PHARPSPEP21012 manages incoming AC or DC power before it is distributed to the system bus, providing integrated filtering capabilities that protect sensitive logic cards from voltage spikes and electromagnetic interference (EMI). This power entry panel ensures that controllers, I/O modules, and peripheral devices receive stable, clean, and reliable DC operating power—the foundation of uninterrupted industrial automation.

Built with ABB’s renowned industrial-grade engineering, the PHARPSPEP21012 is equipped with comprehensive circuit protection, terminal blocks, grounding lugs, and EMI filtering mechanisms that safeguard sensitive automation components from overcurrent, short circuits, and electrical hazards. Whether deployed in power generation facilities, oil and gas refineries, or chemical processing plants, this power entry panel delivers the durability, field serviceability, and consistent performance that mission-critical DCS applications demand.

Key Technical Specifications

Key Features

Dual Chassis Power Distribution – The PHARPSPEP21012 is designed as a dual-chassis power entry panel, providing enhanced power distribution capacity for larger DCS deployments. It serves as the main entry point for incoming power, providing proper voltage transformation, surge suppression, and isolation before distribution to control system modules.

Integrated EMI Filtering – Built-in electromagnetic interference (EMI) filtering capabilities protect sensitive logic cards and communication modules from voltage spikes and electrical noise. This ensures clean power delivery to analog I/O modules, communication interfaces, and precision control electronics, preventing data corruption and measurement errors.

Comprehensive Circuit Protection – Equipped with integrated circuit breakers, fuses, and terminal blocks, the panel protects the electrical system from overcurrent and short circuits. Built-in overvoltage protection, overload protection, short-circuit protection, thermal shutdown, and surge suppression safeguard both the power entry panel and connected equipment from electrical faults.

Dual Power Input Support – The panel supports both main and auxiliary 120/240 VAC inputs, enabling redundant power feed configurations for enhanced system availability. This dual-feed capability is critical for mission-critical applications where uninterrupted power delivery is paramount.

Industrial-Grade Construction – Manufactured with industrial-grade materials and EMI shielding, the chassis delivers excellent durability in harsh industrial environments. The rugged construction ensures structural integrity against vibration, dust, and temperature extremes common in power plants, refineries, and manufacturing facilities.

High Efficiency Operation – With efficiency ratings up to 98%, the PHARPSPEP21012 minimizes energy loss and heat generation, contributing to lower operating costs and reduced cooling requirements in control cabinets.

Modular Design for Easy Integration – The panel’s modular architecture supports seamless integration with ABB DCS platforms and PLC systems. Its electrical interface, mounting structure, and communication compatibility allow users to replace older or damaged power entry panels without modifying cabinet layouts or rewiring systems.

Hot-Swappable Module Compatibility – The panel supports N+1 redundant power module configurations and is fully compatible with hot-swappable MPS III power trays, enabling online replacement without system shutdown.

System Compatibility

The ABB PHARPSPEP21012 is fully compatible with:

• Bailey INFI 90 Distributed Control Systems – Provides power entry and distribution for INFI 90 controller racks, I/O modules, and communication interfaces
• Bailey Net 90 Control Systems – Supports legacy Net 90 installations requiring reliable power distribution
• ABB Symphony Harmony DCS Platforms – Integrates seamlessly with Symphony Harmony systems for modern DCS deployments
• MPS III Modular Power Systems – Serves as the primary power entry point for MPS III chassis systems
• PHARPS Series Power Modules – Compatible with PHARPS32000000, PHARPS32010000, and PHARPS32200000 power supply trays

Applications

The ABB PHARPSPEP21012 power entry panel is deployed across a wide range of industries and applications:

• Power Generation – Thermal, hydro, and nuclear power plants requiring centralized power routing to turbine control systems and I/O chassis
• Oil & Gas – Refineries, offshore platforms, and pipeline facilities requiring reliable energy interface between external AC feeds and DCS power supplies
• Chemical Processing – Continuous-process industries requiring stable power distribution to reactor loop controllers and field instruments
• Petrochemical Automation – Ensures DCS systems, bridge controllers, and industrial automation equipment receive continuous power for process monitoring stability
• Metallurgy and Steel Production – Heavy industrial environments with demanding electrical and thermal conditions
• Water and Wastewater Treatment – Municipal infrastructure requiring 24/7 operational reliability for treatment process control
• Manufacturing Automation – Large-scale automation systems requiring secure and organized power management
• Pharmaceutical Manufacturing – Clean room environments with stringent quality and reliability requirements

Installation and Maintenance

The PHARPSPEP21012 is designed for straightforward rack-mount or cabinet installation. Key installation considerations include:

• Mounting – Standard rack-mount form factor compatible with ABB Bailey and Symphony cabinet cutouts
• Wiring – Terminal block connections for secure and reliable terminations
• Grounding – Dedicated grounding lugs ensure proper system grounding and EMC compliance
• Cooling – Passive convection cooling requires adequate ventilation clearance around the panel

The panel’s modular design and front-access layout simplify routine inspections and cable management. Built-in status indicators provide visual confirmation of input power, output status, and fault conditions, streamlining troubleshooting procedures. The plug-and-play replacement capability significantly reduces downtime during system upgrades or repairs.

Why Choose the ABB PHARPSPEP21012?

The ABB PHARPSPEP21012 represents decades of ABB engineering expertise in industrial power distribution. As the essential power entry point for MPS III modular power systems, this dual-chassis panel delivers the reliability, protection, and flexibility required for continuous, mission-critical DCS operations.

Key advantages include:

• Proven Reliability – Field-tested in thousands of installations across power generation, oil and gas, and manufacturing facilities worldwide
• Superior EMI Protection – Integrated filtering capabilities protect sensitive logic cards from voltage spikes and electromagnetic interference
• Comprehensive Protection – Integrated overcurrent, short circuit, overvoltage, surge suppression, and thermal protection safeguards sensitive control equipment
• High Efficiency – Up to 98% efficiency reduces energy consumption and operating costs
• Flexible Configuration – Supports dual 120/240 VAC inputs for redundant power feeds and N+1 redundant power module configurations
• Industrial Durability – Rugged industrial-grade construction with EMI shielding withstands harsh environmental conditions
• Seamless Integration – Plug-and-play compatibility with ABB DCS platforms minimizes downtime during upgrades or repairs
• Global Support – Backed by ABB’s worldwide technical support network and comprehensive spare parts availability

Whether you are upgrading an existing INFI 90 installation, expanding a Symphony Harmony deployment, or procuring spare parts for long-term lifecycle management, the PHARPSPEP21012 offers a proven, cost-effective power entry solution that protects your critical automation assets and ensures uninterrupted system operation. With its combination of advanced EMI filtering, comprehensive protection mechanisms, and industrial-grade durability, this power entry panel is the intelligent choice for engineers who demand the highest levels of power quality and system availability.