Product Details
Description
The ABB IEPAS02 is a high-reliability AC system power supply module engineered specifically for the Bailey INFI 90 and Symphony Plus distributed control system (DCS) architectures. This unit is designed to convert standard alternating current (AC) input into the regulated direct current (DC) voltages required to drive various control and I/O modules within a module mounting unit. It plays a critical role in maintaining system stability by providing a clean, consistent power source capable of withstanding industrial electrical fluctuations. The IEPAS02 is essential for ensuring the continuous operation of processor and communication hardware in demanding utility and process control environments.
Specifications
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Brand: ABB Bailey
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Model Number: IEPAS02
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Product Series: INFI 90 / Symphony Plus
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Input Voltage: 120 VAC or 240 VAC (Selectable)
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Output Voltages: +5 VDC, +15 VDC, -15 VDC
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Current Capacity: Optimized for high-density module racks
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Form Factor: Standard INFI 90 Power Module slot
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Cooling: Convection cooled with integrated heat sinks
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Operating Temperature: 0 to 70 degrees Celsius
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Protection Logic: Overvoltage and short-circuit protection
Features
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Multi-Rail Output: Delivers all necessary voltage levels (+5V and +/-15V) to support both digital logic and analog signal conditioning circuits.
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Redundancy Compatibility: Can be installed in parallel configurations to provide N+1 redundancy, ensuring no loss of control during a power unit failure.
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Industrial Noise Isolation: Features advanced internal filtering to prevent line transients and EMI from affecting sensitive DCS processors.
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Thermal Management: Built with a rugged mechanical frame designed for efficient heat dissipation, extending the life of internal electrolytic components.
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Front-Panel Diagnostics: Equipped with visual status indicators for each voltage rail, allowing for rapid verification of power health at the cabinet level.
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Seamless Backplane Connection: Utilizes a heavy-duty connector designed for secure engagement with the power bus bars of the Module Mounting Unit.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.