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      Motor Protection Relay, Multilin 239 Motor Protection Relay

      239-RTD-AN

      Spare Part Number

      PN239-RTD-AN

      Product Information:

      The 239-RTD-AN is an advanced configuration of the 
      GE Multilin 239 motor protection relay that combines multi-point 
      RTD-based temperature monitoring with a programmable analog 
      output (4–20 mA). It provides enhanced motor protection, real-time 
      thermal supervision, and seamless integration into industrial 
      automation and process control systems

      • One-year warranty
      • Global shipping
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      Technical specifications for

      239-RTD-AN

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        General Electric
      • Product Category:
        General Automation
      • Spare Part Number:
        239-RTD-AN
      • Estimated shipping dimensions:
        12x12x18.3cm
      • Weight:
        1.7 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Overload Curves Trip Time Accuracy Pickup:
        ± 1% of Displayed Value
      • Programmable Output:
        Thermal Capacity, % Full Load, and Phase Current
      • RFI Test:
        50 MHz/15 W Tranismitter
      • Short Circuit and Ground Trip S/C Trip Lvl:
        1 to 11 x CT PRI/OFF
      • Storage Temperature Range:
        -40 to 158°F
      • Unbalance Delay:
        0-60 s
      • Ventilation Requirements:
        None, according to the 239 Motor Protection Relay Manual
      • Series:
        GE Multilin
      • Stock Availability:
        40
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      Alternative Names

      239RTDAN 239 RTD AN
      PRODUCT & ORDER FAQS

      Questions buyers ask about 239-RTD-AN

      • What functional role does the 239-RTD-AN fulfill within thermal monitoring architectures?

        The 239-RTD-AN operates as a precision resistance temperature detection (RTD) interface module, engineered to transduce analog resistance variations into accurately conditioned electrical signals. It is predominantly deployed in industrial process control environments where high-fidelity thermal measurement is indispensable.

      • How does the 239-RTD-AN ensure metrological accuracy under varying environmental conditions?

        The 239-RTD-AN integrates advanced signal linearization algorithms and temperature compensation mechanisms, thereby mitigating non-linearities inherent in RTD sensors. Its robust design minimizes drift, ensuring stable performance across extended thermal and electrical operating ranges.

      • Why is the 239-RTD-AN particularly suitable for integration with platinum-based RTD elements?

        The 239-RTD-AN is optimized for compatibility with platinum RTDs (such as PT100), owing to its precise excitation current control and adherence to standardized resistance-temperature characteristics, enabling highly reproducible and traceable measurements.

      • What distinguishes the signal conditioning capabilities of the 239-RTD-AN from conventional RTD interfaces?

        Unlike rudimentary RTD modules, the 239-RTD-AN incorporates high-resolution analog-to-digital conversion, low-noise amplification stages, and superior common-mode rejection, thereby ensuring exceptional signal integrity even in electromagnetically noisy industrial environments.

      • How does the 239-RTD-AN address wiring-induced measurement errors?

        The 239-RTD-AN supports multi-wire configurations (e.g., 3-wire or 4-wire RTD connections), effectively compensating for lead resistance and thereby eliminating parasitic error contributions that could otherwise compromise measurement accuracy.

      • What operational advantages does the 239-RTD-AN provide in safety-critical applications?

        The 239-RTD-AN is engineered with fault-detection capabilities, including open-circuit and short-circuit diagnostics, ensuring reliable anomaly detection. This makes it particularly advantageous in mission-critical systems where thermal excursions must be promptly identified.

      • How does the 239-RTD-AN facilitate seamless integration into industrial automation systems?

        The 239-RTD-AN is designed with standardized output interfaces and compatibility with common control system architectures, enabling straightforward incorporation into PLCs, DCS platforms, and distributed monitoring networks.
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          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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