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Endress+Hauser

RTA421

Contactor with loop power supply for monitoring current or voltage signals

SKU: RTA421
As low as €136.00 plus VAT
Production Time: 6 working days

RTA421

Contactor with loop power supply for monitoring current or voltage signals

RTA421
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As low as €136.00 plus VAT
Production Time: 6 working days

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Highlights

  • LC display for alarm set points and bar graph
  • Input: 1 x analog (U, I)
  • Output: 1 x transmitter power supply
  • Relay output: 2 x changeover contacts
  • Auxiliary power supply / Loop power supply 196 to 250V AC, 97 to 127V AC, 20 to 250 V AC/DC

Fields of application

  • Plant and machine construction
  • Panel builders
  • Process monitoring
  • Process control

Details

The RTA421 contactor monitors industrial processes for safe operation. The unit analyzes current (0/4...20 mA) and voltage signals (0/2...10 V) and switches two independent output relays if the values either exceed or undercut the preset alarm set points. On the display both limit values are indicated in parallel. The bar graph informs on the connected signal at any time. Applications include pump control in the waste water industry. Level measurement in silos can be economically achieved.


General Information
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SoftwareNot defined
Display typeLCD 6 mm (0.24")
4-digit
Bargraph
Input/Output
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Communication protocolFoundation Fieldbus protocol
PROFIBUS PA protocol
ConfigurationNot defined
Mechanical Data
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Dimensions45 x 107.8 x 112 mm (1.77" x 4.24" x 4.41")
Certification/Approvals
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Hazardous approvalsUL rec. Comp
ATEX
FM USA IS
FM USA NI
CSA
TIIS Ex ia
Other Approvals/ CertificationGL marine certificate
Additional Information
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Ambient temperature range-20°C...60°C
Config Data
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Panel Mountingpanel mounting
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