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Endress+Hauser RTA421 Technical Information

Endress+Hauser RTA421
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TI00074R/09/EN/02.12
71196717
Technical Information
RTA421
Limit alarm switch
Alarm switch and power supply for monitoring current or voltage
signals
Application
Plant and machine construction
Panel builders
Process monitoring
Process control
Your benefits
2 relays for set point monitoring (with SPDT contacts)
Loop power supply for connected sensors
LC display for alarm set points and bar graph
Compact housing
Front end setup using 3 push buttons

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Endress+Hauser RTA421 Specifications

General IconGeneral
OutputSPDT relay
Housing materialAluminum
Protection classIP66
Process connectionG1/2" or 1/2" NPT
ApprovalsATEX, IECEx

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