Introduction to the 3500/25 126398-01
The 3500/25 126398-01 is a Power Distribution Module (PDM) designed for the Bently Nevada 3500 Machinery Monitoring and Protection System. This module is a critical component responsible for providing clean, regulated, and redundant power to the 3500 rack's monitoring modules (such as vibration, position, and temperature monitors). Its primary function is to ensure the highest level of system reliability and availability by managing primary and backup power sources, providing power status, and facilitating system alarms in case of power failures.
Technical Parameters
The key technical specifications for the 3500/25 Power Distribution Module are as follows:
| Parameter | Specification |
|---|---|
| Part Number | 3500/25 126398-01 |
| Description | Power Distribution Module |
| Input Voltage | Typically 24 VDC (or as specified by the system configuration) |
| Output Voltage | +5 VDC, ±15 VDC, +24 VDC (distributed to the monitoring modules) |
| Dimensions (H x W x D) | Approx. 70 mm x 213 mm x 200 mm (Standard 3500 rack frame slot) |
| Weight | Approx. 1.5 kg (3.3 lbs) |
| Mounting | Installs in a dedicated slot within the 3500 rack frame. |
| Redundancy | Supports redundant power supply configurations for high-availability systems. |
| Status Monitoring | Provides visual and relay-based alarms for Power OK, Power Fail, and Power Supply Fail. |
| Operating Temperature | 0°C to +65°C (32°F to 149°F) |
| Compatibility | Designed for use with the Bently Nevada 3500/XX series monitoring modules and 3500 rack frames. |
Application Scenarios
The 3500/25 PDM is deployed in critical industrial environments where continuous machinery monitoring and protection are essential to prevent catastrophic failures and ensure operational safety. Typical application scenarios include:
Oil & Gas Industry:
Monitoring gas and steam turbines, centrifugal and reciprocating compressors, and pumps on offshore platforms and in refineries.
Ensuring uninterrupted power to protection systems that guard against dangerous conditions like overspeed or excessive vibration.
Power Generation:
Used in coal, gas, and nuclear power plants to protect large turbines, generators, and critical boiler feed pumps.
The module's redundancy is crucial for maintaining protection system integrity during grid disturbances or power source switching.
Chemical & Petrochemical Plants:
Protecting large, high-value compressors and turbines that drive production processes.
Preventing unplanned shutdowns that can lead to significant production and financial losses.
Water & Wastewater Treatment:
Monitoring large pumps and blowers to ensure continuous operation and prevent failures that could disrupt public services.
Marine & Naval:
Used onboard ships to monitor and protect main propulsion turbines and diesel engines.
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7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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