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PFEA111-20 3BSE050090R20

Key Features & Benefits
Precision Power Regulation

20V DC output (FF H1 compliant)

400mA current capacity

±0.5% voltage regulation accuracy

Advanced Protection System

1500V DC galvanic isolation

<1μs short-circuit response

6kV/3kA surge protection

Industrial-Grade Durability

-40°C to +85°C operating range

IP40-rated metal housing

DIN-rail mountable (35mm)

Smart Diagnostics

Dual-color LED status indicators

Remote monitoring capability

Built-in self-test function

Technical Specifications
Parameter Specification
Input Voltage 18-32V DC
Output Voltage 20V DC (±0.5%)
Maximum Current 400mA
Isolation 1500V DC
Response Time <1μs (short-circuit)
Certifications ATEX, IECEx, UL, CSA
Typical Applications
✔ Oil & gas processing plants
✔ Chemical production facilities
✔ Power generation systems
✔ Pharmaceutical manufacturing
✔ Water treatment plants

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The ABB PFEA111-20 3BSE050090R20 is a high-performance fieldbus power supply and signal conditioner designed for FOUNDATION Fieldbus H1 networks. This industrial-grade device provides stable power distribution while maintaining optimal signal integrity in demanding process automation environments.