Product Overview

The ABB IEPAF02 is a specialized AC Field Power Supply module integrated within the Harmony Rack (HR Series) I/O ecosystem. This module is engineered to provide a stable electrical foundation for field instrumentation and control hardware in a Distributed Control System (DCS) environment. Its primary role is to ensure regulated power distribution to critical field devices, such as sensors and actuators, shielding them from voltage fluctuations and electrical noise. Manufactured in Sweden, the IEPAF02 is a ruggedized solution designed for high-availability industrial infrastructures where power consistency directly impacts process safety and system uptime.

Technical Architecture and Hardware Assets

• Model Designation IEPAF02

• Power Rating 1000 VA Capacity

• Output Voltage 24V DC Regulated Supply

• Product Line HR Series (Harmony Rack)

• Ingress Protection IP20 Rated enclosure

• Thermal Endurance Operational from -10°C to +50°C

• Physical Profile 31.2 cm x 19.2 cm x 1.8 cm

• Unit Mass 0.30 kg

• Safety Features Overload protection and environmental stabilization

• Customs Code HS 8537101190

Strategic Industrial Implementations

The IEPAF02 AC Field Power Supply is a fundamental utility component used across various heavy-duty sectors:

Field Instrumentation Powering Providing the primary 24V DC loop power for pressure transmitters, flow meters, and analytical sensors in chemical processing plants.

Cabinet Power Management Serving as a compact, rack-mounted power source within Harmony cabinets to energize local I/O clusters and communication bus modules.

Manufacturing Automation Supporting the power requirements of motorized valves and solenoid actuators where a high-VA rating is required to handle inductive loads.

Energy Facility Infrastructure Maintaining continuous operation of monitoring devices in power substations, benefiting from the module's wide operating temperature range and dust resistance.

DCS Expansion Projects Used as a scalable power solution when adding new Harmony Rack I/O segments to existing Bailey Infi 90 or Symphony Plus systems.