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
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.