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ABB PFSA140 RULLM1I 3BSE06503R1

ABB PFSA140 RULLM1I 3BSE06503R1 Power Supply Module

Product Overview

The ABB PFSA140 RULLM1I 3BSE06503R1 is a high-reliability industrial power supply / fieldbus power module designed for ABB automation platforms such as AC 800M controllers and System 800xA DCS.

It delivers stable, isolated 24 VDC power to critical control systems and fieldbus networks, ensuring continuous operation in demanding environments like oil & gas, power plants, and heavy industry.

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Key Features

• ✔ Stable 24 VDC regulated output
• ✔ Designed for harsh industrial environments (rugged version)
• ✔ Supports redundant power configurations (N+1)
• ✔ Galvanic isolation for noise protection
• ✔ High resistance to vibration, EMI, and temperature extremes
• ✔ Suitable for hazardous areas (ATEX / IECEx)

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Technical Specifications

Parameter	Value
Input Voltage	85–264 VAC
Output Voltage	24 VDC ±1%
Output Current	Up to 10 A (power module) / 140 mA (fieldbus version)
Operating Temperature	-40°C to +75°C
Mounting	DIN Rail
Protection	Short-circuit & overload
Isolation	Galvanic isolation