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Help CenterABB MPS III Power Supply System – PHARPSPEP21023 Dual Chassis, PHARPSPEP21013 & PHARPSPEP11013 Power Entry Panels, PHARPSPEP21012 Protection Unit
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ABB MPS III Power Supply System – Complete Power Solution for Bailey INFI 90 & Symphony Plus DCS
The ABB MPS III (Modular Power System III) power supply component family is a comprehensive, integrated suite of power distribution and protection hardware engineered specifically for ABB Bailey INFI 90, Symphony Plus, and Harmony distributed control systems (DCS). This matched set of four core components – dual‑chassis, power entry panels, and protection unit – delivers the complete front‑end power infrastructure required to build, upgrade, or maintain mission‑critical DCS installations in power generation, petrochemical, oil & gas, and heavy industrial facilities worldwide.
Complete Component Family Overview
| Model | Product Name | Core Function | Key Specifications |
|---|---|---|---|
| PHARPSPEP21023 | Dual Chassis Power Supply Assembly | Dual‑chassis redundant housing for MPS III power modules; enables hot‑swap redundancy with millisecond failover | Dual chassis; supports main/backup power modules; -10°C to +60°C; IP20 |
| PHARPSPEP21013 | Power Entry Panel (Type III) | Primary AC power distribution panel for Symphony Plus; accepts dual redundant 120/240V AC inputs | Single‑chassis design; 120/240V AC main + auxiliary inputs; overload/overheat protection |
| PHARPSPEP21012 | Power Protection Unit | Overvoltage, overcurrent, and surge protection module; absorbs voltage spikes and limits short‑circuit current | Series‑connected between AC input and power modules; MOV + gas discharge tube protection |
| PHARPSPEP11013 | Power Entry Panel (Single Chassis) | Compact single‑chassis AC power entry panel for standard industrial control cabinets | 100‑240V AC input; 16A rating; IP65; compact form factor |
Detailed Product Descriptions
1. PHARPSPEP21023 – Dual Chassis Power Supply Assembly
The PHARPSPEP21023 is the foundational hardware platform for ABB MPS III redundant power configurations. This dual‑chassis assembly allows simultaneous installation of primary and backup power modules within a single mechanical framework. When one module or chassis experiences an electrical fault, the system performs millisecond‑level seamless switchover, ensuring DCS controllers and I/O modules receive uninterrupted power – enabling true “zero‑downtime” maintenance.
The chassis incorporates precision filtering and surge protection circuitry, delivering stable DC output while effectively defending against electromagnetic interference (EMI) and transient voltage surges from industrial power grids. The structure is constructed from high‑strength steel with industrial‑grade insulating materials, featuring dustproof, moisture‑resistant, vibration‑dampening, and high‑temperature‑resistant properties suitable for long‑term operation in harsh environments. The fluid‑optimized housing design maintains excellent natural convection cooling even under full load.
2. PHARPSPEP21013 – Power Entry Panel (Type III)
The PHARPSPEP21013 is a Type III power entry distribution panel designed specifically for ABB Symphony Plus process control systems. This single‑chassis module serves as the primary AC power distribution hub for the DCS, accepting dual redundant 120/240V AC inputs – one main and one auxiliary – to ensure continuous power availability.
As the front‑end component of the MPS III power system, the PHARPSPEP21013 features comprehensive safety mechanisms including overload and overtemperature protection to prevent damage to downstream equipment during extended operation. It can be flexibly paired with various power supply panels, power chassis, and fan assemblies to meet the stringent power requirements of complex industrial sites.
3. PHARPSPEP21012 – Power Protection Unit
The PHARPSPEP21012 is a dedicated overvoltage, overcurrent, and surge protection unit for ABB Bailey power systems. Connected in series between the AC power input and the power modules, it absorbs voltage spikes, suppresses surges, and limits short‑circuit current – protecting expensive downstream power modules and I/O cards from damage.
Field disturbances such as power grid fluctuations, lightning strikes, and startup/shutdown of high‑power equipment can impact the protection unit over time, potentially causing component aging or failure. The PHARPSPEP21012 incorporates MOV varistors and gas discharge tubes as primary surge suppression elements, providing robust defense against transient overvoltage events.
4. PHARPSPEP11013 – Power Entry Panel (Single Chassis)
The PHARPSPEP11013 is a compact single‑chassis power entry panel designed for standard industrial control cabinets and smaller automation systems. It accepts 100‑240V AC wide‑range input with a 16A current rating, providing flexible compatibility with global power grids.
The panel features IP65 protection rating for dust and water ingress resistance, and is constructed from high‑strength metal materials with excellent impact and corrosion resistance. It incorporates complete overload and short‑circuit protection to prevent equipment damage from abnormal currents, and its compact design allows easy installation in standard cabinets.
System Integration & Architecture
These four components form a complete, hierarchical power delivery chain for ABB DCS systems:
AC Power Entry – PHARPSPEP21013 or PHARPSPEP11013 accepts main/auxiliary AC inputs from the facility power supply
Surge Protection – PHARPSPEP21012 provides overvoltage/surge suppression between AC input and power modules
Power Conversion – MPS III power modules (e.g., PHARPS32000000, PHARPS03000000) convert AC to regulated DC outputs
Redundant Housing – PHARPSPEP21023 dual chassis houses primary and backup power modules with automatic failover
Applications
Power Generation – Control cabinet power distribution for turbine control, boiler management, and DCS systems in coal‑fired, gas‑fired, and nuclear power plants
Petrochemical & Oil & Gas – Long‑term stable power supply for refineries, pipeline pump stations, and offshore platforms
Chemical Processing – Power protection for critical process control logic in high‑interference environments
Metallurgy & Mining – Continuous power for rolling mill control, furnace monitoring, and conveyor automation
Pulp & Paper – High‑availability power infrastructure for large‑scale production lines
Water & Wastewater Treatment – Reliable power distribution for pump station control and treatment plant automation
Quality Assurance & Service
✅ 100% Brand New & Genuine – All items are factory‑sealed, never refurbished
✅ One‑Year Quality Warranty – Comprehensive coverage against defects in materials and workmanship
✅ Competitive Pricing – Direct sourcing from our global supply chain
✅ Fast Delivery – In‑stock items dispatched within 1–3 working days
✅ Expert Technical Support – Our DCS specialists assist with model selection, compatibility verification, and installation guidance
Contact Us
Sales: +86 15997483088
After‑sales Service: +86 15221567046
Email: 445692254@qq.com
Website:
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