• Bently Nevada 78432-02 3300 Series Power Input Module
  • Bently Nevada 78432-02 3300 Series Power Input Module
  • Bently Nevada 78432-02 3300 Series Power Input Module
  • Bently Nevada 78432-02 3300 Series Power Input Module
Product Overview The Bently Nevada 78432-02 is a Power Input Module (PIM) used in the 3300 Series machinery monitoring system. Installed at the rear of the rack behind the power supply and system monito……
Bently Nevada 78432-02 3300 Series Power Input Module
  • Bently Nevada
  • 78432-02
  • Power Input Module
  • USA
  • 180 × 45 × 130 mm
  • 0.24 kg
  • Xiamen, China
  • New & In Stock
  • T/T, PayPal, Western Union
  • 1 Year
  • 1-3 Working Days
  • DHL, UPS, TNT, FedEx and EMS.
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Bently Nevada 78432-02 3300 Series Power Input Module

Global Logistics

We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.

Bently Nevada 78432-02 3300 Series Power Input Module

Brand new and original

Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.

Bently Nevada 78432-02 3300 Series Power Input Module

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We provide 7*24 hours service to our customers. We will be there whenever you need us.

Bently Nevada 78432-02 3300 Series Power Input Module

Price advantage

All our products are priced very favorably because we have our own warehouse and supply.


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Product Overview

The Bently Nevada 78432-02 is a Power Input Module (PIM) used in the 3300 Series machinery monitoring system. Installed at the rear of the rack behind the power supply and system monitor, it provides the electrical input connections and interface wiring required by the rack’s power supply arrangement.

In a rotating equipment monitoring installation, the 3300 rack collects vibration, shaft position, speed, and other machinery condition measurements from monitoring modules. The 78432-02 supports the rack’s power-input arrangement, helping connect the incoming AC supply to the associated power supply and providing connection points for designated system functions.

This module is particularly relevant when maintaining an existing 3300 monitoring rack. If the rack experiences a power-input connection problem or the rear power-input assembly requires replacement, the PIM reference, input-voltage configuration, wiring, and associated power supply must be checked together. The 78432-02 is associated with the 110 VAC input version of the 3300/10 power supply arrangement, so it should not be selected solely by physical appearance.

Unlike the monitoring modules installed at the front of the rack, the 78432-02 is part of the rear power and interface assembly. It does not measure vibration or calculate machinery condition values. Its role is associated with power entry and the electrical connections needed by the monitoring system.

For maintenance work, confirm the rack model and power supply configuration before removing the module. Input voltage, fuse selection, transformer connections, and the rear-panel wiring arrangement must match the existing installation.


Technical Specifications

Parameter Specification
Manufacturer Bently Nevada
Model 78432-02
Product Family 3300 Series
Product Type Power Input Module
Assembly Type Printed Circuit Board Assembly
Primary Function Power input and rear-rack interface connections
Compatible System Bently Nevada 3300 Series Monitoring System
Associated Power Supply 3300/10 Power Supply
Input Voltage Version 110 VAC
AC Input Frequency 50/60 Hz, subject to the associated power supply configuration
Installation Position Rear of the rack, behind the power supply and system monitor
Power Supply Connection Connects with the associated power supply and transformer assembly
System Interfaces Connections for designated rack control and monitoring functions
Monitoring Function Does not perform direct vibration measurement
Dimensions 180 × 45 × 130 mm
Weight 0.24 kg

Product Features

  • Power input module for the Bently Nevada 3300 Series monitoring system.
  • Associated with the 110 VAC version of the 3300/10 power supply arrangement.
  • Installed at the rear of the rack behind the power supply and system monitor.
  • Forms part of the rack’s power-entry and interface connection assembly.
  • Supports electrical connections associated with rack operation and designated system functions.
  • Used in maintenance and replacement work on existing 3300 monitoring installations.
  • Requires the correct voltage configuration, fuse arrangement, and wiring connections.
  • Separate from the front-mounted modules that process vibration, position, speed, and other measurement signals.

Working Principle

The 78432-02 works within the power-input section of a 3300 monitoring rack. Incoming AC power is connected through the rack’s designated power-input wiring. The associated transformer and power supply convert the incoming supply into the operating power required by the monitoring system.

AC Supply → 78432-02 Power Input Module → Associated Transformer and Power Supply → 3300 Rack Electronics

The PIM also forms part of the rear interface arrangement. Depending on the rack configuration, the associated wiring and connections support designated control functions and system interfaces. These connections are distinct from the signal inputs used by vibration and position monitoring modules.

For example, if a machine protection rack loses power, the troubleshooting process may involve checking the incoming supply, the configured input-voltage range, fuses, wiring, transformer assembly, and power supply. The 78432-02 may be part of that investigation, but replacing it alone will not resolve a fault caused by the upstream supply or another rack component.

The module’s voltage version is an important selection point. A replacement must match the existing power-input configuration rather than being chosen simply because it belongs to the 3300 Series.


Role in a Bently Nevada 3300 Machinery Monitoring Architecture

The 78432-02 occupies the power-input position in the rear section of the 3300 rack. It supports the power supply and designated interface connections, while the rack’s monitoring modules handle machinery measurement and condition monitoring.

AC Power Source → Power Input Assembly → Power Supply → 3300 Monitoring Rack → Monitoring and Protection Functions

System Element Function
78432-02 Power Input Module Provides power-input and associated rear-rack interface connections
3300/10 Power Supply Converts incoming AC power into the operating supplies required by the rack
Transformer Assembly Forms part of the power conversion arrangement
78422-01 Regulator Board Associated regulator board listed for the 3300/10 power supply
3300 Rack Chassis Houses and interconnects the system modules
3300 System Monitor Monitors overall rack status and system health
Vibration Monitor Modules Process vibration-related signals from connected transducers
Position Monitor Modules Process shaft position, thrust, or related measurement signals according to module type
Keyphasor Transducer Supplies rotational reference information for compatible monitoring functions
External Alarm Circuit Receives configured system status or alarm indications

The exact interface functions depend on the installed 3300/10 power supply version and rack configuration. The 78432-02 should therefore be treated as part of a specific power-input assembly, not as a universal replacement for every 3300 Series PIM.


Industrial Applications

Application Typical Use
Turbine Monitoring Systems Supporting the power-input arrangement of a 3300 rack used for turbine condition monitoring
Compressor Protection Maintaining the rack power assembly in machinery protection installations
Pump Monitoring Supporting continuous operation of monitoring racks used to assess pump condition
Industrial Motor Monitoring Maintaining the power-input section of a rack monitoring large rotating equipment
Oil and Gas Facilities Supporting existing 3300 monitoring installations used on critical machinery
Power Generation Maintaining rack power connections in turbine and generator monitoring systems
Process Plants Supporting machinery protection racks used for continuous equipment monitoring
Maintenance and Overhaul Replacing a verified faulty or damaged power-input module during rack service
Legacy Monitoring Systems Maintaining installed 3300 Series equipment where the existing rack configuration must be retained

Installation and Maintenance

  1. Verify the complete part number: Confirm that the installed module is 78432-02 and that the replacement matches the existing power-input configuration.
  2. Confirm the input-voltage version: Check that the rack uses the associated 110 VAC power-input arrangement before installing the module.
  3. Isolate the power supply: Disconnect the incoming supply and follow the site’s lockout/tagout procedures before accessing the rear of the rack.
  4. Record the existing wiring: Photograph or document the terminal connections and cable routing before removing the original assembly.
  5. Inspect the rear rack connections: Check connectors, terminals, wiring insulation, and mounting points for damage or signs of overheating.
  6. Check the associated power supply: Confirm the installed 3300/10 version and verify that its input-voltage configuration is appropriate for the incoming supply.
  7. Verify fuse selection: Use the fuse rating specified for the actual power-supply voltage configuration. Do not assume that different input-voltage versions use the same fuse.
  8. Inspect the transformer assembly: Check the associated transformer and its primary and secondary wiring if the rack has experienced a power fault.
  9. Check grounding and wiring: Confirm that the power-input connections and designated grounding arrangements match the rack’s electrical configuration.
  10. Inspect related rack components: If power problems persist, assess the power supply, regulator board, rack connections, and incoming AC supply rather than automatically attributing the fault to the PIM.
  11. Perform controlled recommissioning: After reassembly, restore power according to site procedures and verify that the rack powers up and reports normal system status.
  12. Update maintenance records: Record the replacement part number, input-voltage configuration, fuse arrangement, and results of the post-maintenance checks.

The power-input assembly contains hazardous electrical connections. Installation and servicing should be performed only after the supply has been isolated and the absence of hazardous voltage has been verified.


Related Components

Component Function
Bently Nevada 3300/10 Power Supply Supplies operating power to the 3300 monitoring rack
Bently Nevada 78422-01 Regulator Board Associated regulator board for the 3300/10 power supply
Transformer Assembly Forms part of the AC power conversion arrangement
3300 Rack Chassis Houses the power supply, system monitor, and monitoring modules
3300 System Monitor Monitors rack status and system health
Power Input Wiring Connects the incoming supply to the power-input assembly
Rack Grounding Connections Provide the designated grounding path for the installation
Vibration Monitor Modules Process vibration signals from compatible transducers
Keyphasor Interface Connects rotational reference signals to compatible monitoring functions
External Alarm Circuit Receives configured system status or alarm signals

Recommended Related Models

Model / Product Product Type Typical Application
Bently Nevada 78432-02 Power Input Module Reference part for the 110 VAC 3300/10 power-input arrangement
Bently Nevada 3300/10 Power Supply Supplies operating power to a compatible 3300 monitoring rack
Bently Nevada 78422-01 Regulator Board Related power-supply regulator assembly
Bently Nevada 84039-02 Power Input Module Variant Related PIM reference associated with a hermetically sealed OK relay and serial interface configuration
Bently Nevada 81025-02 Power Input Module Variant Related PIM reference associated with an internal-barrier configuration

The models above serve different purposes within the 3300 power-input and power-supply family. The 3300/10 and 78422-01 are related system components rather than direct replacements for the 78432-02. The 84039-02 and 81025-02 have different configuration features and should not be treated as interchangeable without confirming the required interfaces, barriers, relay arrangement, and rack configuration.


Key Advantages

  • Supports the power-input arrangement of the Bently Nevada 3300 Series.
  • Associated with the 110 VAC 3300/10 power supply version.
  • Installs in the rear section of the monitoring rack.
  • Forms part of the electrical interface between incoming power and the rack power assembly.
  • Useful for maintaining existing machinery monitoring installations.
  • Allows targeted replacement when the power-input module has been identified as faulty.

Technical FAQs

Is the 78432-02 a vibration monitoring module?

No. The 78432-02 is a Power Input Module. It supports the rack’s power-entry and associated interface connections; vibration and other machinery measurements are processed by the appropriate monitoring modules installed in the 3300 rack.

Can the 78432-02 be used with any 3300 Series power supply?

No. Its input-voltage version and interface arrangement must match the associated power supply and rack configuration. The 78432-02 is associated with the 110 VAC 3300/10 arrangement, so the exact installed configuration should be confirmed before replacement.

What should be checked if the rack does not power up after replacing the module?

Check the incoming AC supply, input-voltage configuration, fuse selection, wiring, transformer assembly, and associated power supply. Also inspect the module connections and regulator board if the fault persists. A failed rack power-up does not by itself prove that the PIM is defective.

Is the 84039-02 a direct replacement for the 78432-02?

Not automatically. The 84039-02 is a related power-input module variant with a different interface and relay configuration. Confirm the rack’s required functions and the exact power-input assembly configuration before considering substitution.



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