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      125840-01

      High Voltage ac Power Input Module
      In Stock
      Bently Nevada 125840-01
      Bently Nevada 125840-01
      Bently Nevada 125840-01
      Bently Nevada 125840-01
      Bently Nevada 125840-01
      Bently Nevada 125840-01
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      High Voltage ac Power Input Module 
      3500 Series Machinery 
      Protection System
      Half-Height Module

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      Technical specifications for 125840-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring Systems
      • Spare Part Number:
        125840-01
      • Estimated shipping dimensions:
        2.6x12x12cm
      • Weight:
        0.3 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Input voltage:
        175 to 264 VAC rms
      • Input current:
        2.3 A rms maximum
      • Relative humidity:
        95% (non-condensing)
      • Frequency Range:
        47 to 63 Hz
      • Operating Temperature:
        -30°C to +65°C
      • Storage Temperature:
        -40°C to +85°C
      • Maximum Rated Power:
        250 Watts
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      Information

      Overview Manuals Common Applications Product Precautions
      The 125840-01 is a key component of the Bently Nevada 3500 series vibration monitoring system, primarily used to provide a stable power supply for the entire system and ensure reliable operation in industrial environments.
        • AC Power
        • High Voltage DC Power Supply
        • Low Voltage DC Power Supply
      The 3500 Power Supplies are half-height modules and must be installed in the specially designed slots on the left side of the rack. The 3500 rack can contain one or two power supplies (any combination of ac and/or dc) and either supply can power a full rack. If installed, the second supply acts as a backup for the primary supply. When two power supplies are installed in a rack, the supply in the lower slot acts as the primary supply and the supply in the upper slot acts as the backup supply. Removing or inserting either power supply module will not disrupt operation of the rack as long as a second power supply is installed. The 3500 Power Supplies accept a wide range of input voltages and converts them to voltages acceptable for use by other 3500 modules.

      Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. 
       Bently Nevada 125840-01High Voltage ac Power Input Module Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
      Thermal Power
      Ensures steady power to the vibration monitoring chassis that tracks steam turbines, generator shafts, and critical boiler feed pumps.

      Oil and Gas
      Powers the condition monitoring racks on offshore drilling platforms to safeguard critical subsea mud pumps and high-pressure injection pumps.

      Pulp and Paper
      Protects the 3500 power supply loop from local electrical noise to ensure uninterrupted monitoring of high-speed paper machine drying cylinders and refiners.

      Nuclear Power
      Serves as a highly reliable, redundant power source for the safety-grade machinery protection system monitoring the primary coolant pumps and main turbines.

      Hydroelectric Power
      Sustains power to monitor shaft runout, thrust bearing vibrations, and stator conditions in large vertical hydraulic turbine-generator sets.

       When using the 125840-01 module, keep these key points in mind. Safety first—always cut off the external 175-264 Vac high voltage and secure the insulation cover before wiring or changing fuses. Strict pairing—it must be used together with the front-slot 127610-01 AC main power module. For dual redundancy—ensure the two input modules are wired to separate, independent grid sources to guarantee uninterrupted operation.

      FAQ View All FAQ

      • What is 125840-01?
        125840-01 is an AC Power Supply Module
      • What is the main function of the 125840-01?
        It receives external high-voltage AC power and safely routes it into the 3500 rack power supply modules.
      • Where should the 125840-01 be installed?
        It must be installed at the rear of the designated power supply slots on the left side of the 3500 rack.
      • Does the 125840-01 support redundant configuration?
        Yes, two PIMs can be installed in a rack to achieve primary and backup redundancy.
      • Will an undervoltage condition damage the 125840-01?
        No, an undervoltage condition will not harm either the PIM or the power supply.
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          Bently Nevada 125840-01
          Bently Nevada 125840-01
          Bently Nevada 125840-01
          Bently Nevada 125840-01
          Bently Nevada 125840-01
          Bently Nevada 125840-01