Current Transducer H421SP

Features

  • Split-core design for easy installation and fast retrofits
  • No need for external CTs on large conductors
  • Large openings for heavy conductors
  • Loop powered 4 to 20 mA output
  • 2-wire design reduces wiring cost
  • Zero and span adjustments for field flexibility
  • 30 mA at 12 to 30 VDC sensor power
  • Lead-free
Enquiry
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Dpstar current transducer H421SP is tailored for large motor current monitoring and is factory-calibrated to a 4 to 20 mA signal based on customer-defined specifications. Suitable for both retrofit and new installations, it enables seamless connection to control systems and enhances the reliability of load trend analysis in energy-critical operations.

Applications

  • Load trending of large motors and other loads up to 2400 A
  • Monitor critical motors (compressor, fuel, etc.)

Specification

Model H421SP
Application Building Automation Systems
Current Measurement Accuracy  ±2% of F.S. above 240 A
Current Measurement Range 0 – 2400 A
Current Sensor type Current Transducer, AC
Electrical Wiring Size  22 – 12 AWG (0.33 – 3.3 mm²)
Measurement Type  AC Current
Monitored Frequency Range 50 – 60 Hz
Monitored Wire Size  2.4″ (61 mm)
Mounting Split Core
Operating Humidity 10 – 90% RH, non-condensing
Operating Temperature 5 – 140 °F (-15 – 60 °C)
Output Specifications 4 – 20 mA
Outputs Analog output
Product Type Sensor
Range High Current Series
Relay Coil Voltage None
Relay Contact Ratings None
Relay Poles/Throw None
Warranty 5 years

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