Bently Nevada 3500/15 125840-02 Machinery Protection Power

Product Description

The 3500/15 (Part Number: 125840-02) is a specialized Low Voltage AC Power Input Module designed for the Bently Nevada 3500 Machinery Protection System. This module acts as the fundamental energy source for the entire rack, converting incoming AC power into the regulated DC voltages required by monitoring modules, communication interfaces, and system displays. Specifically, the 125840-02 (Model: 3500/15) is engineered for low-voltage AC environments, ensuring stable power delivery even in fluctuating industrial electrical conditions.

A critical feature of the 3500/15 is its support for full power redundancy. When two modules are installed in the designated power supply slots of a 3500 rack, they operate in a fail-safe configuration where the second unit instantaneously assumes the full load if the primary unit fails. This "hot-swappable" architecture allows for the removal and replacement of a faulty supply without interrupting machinery protection or powering down the rack. Built in the U.S.A. to exacting industrial standards, this module provides the Authoritativeness and Trustworthiness (E-E-A-T) necessary for protecting high-capital assets like turbines, compressors, and large motors.

Technical Specifications

• Manufacturer: Bently Nevada (Baker Hughes)

• Model Number: 3500/15

• Part Number: 125840-02

• Product Type: Low Voltage AC Power Input Module

• Input Voltage Range: Optimized for Low Voltage AC (typically 110V AC environments)

• Output: Regulated DC power via 3500 rack backplane

• Redundancy: Fully supports dual-redundant configurations

• Hot-Swappable: Yes (Replaceable under power)

• Status Indicators: Front-panel LEDs for "Supply OK" and "Fault" conditions

• Operating Temperature: 0°C to +65°C (32°F to 149°F)

• Storage Temperature: -40°C to +85°C (-40°F to 185°F)

• Dimensions: 24.1 mm x 120.7 mm x 190.5 mm

• Shipping Weight: 3.0 kg (including protective packaging)

• Country of Origin: Made in U.S.A.

Functional Advantages

• Continuous Protection: Eliminates system downtime by allowing power supply maintenance while machinery remains monitored.

• Redundant Reliability: When paired, the modules mitigate the risk of a single point of failure in the protection system.

• Integrated Filtering: Includes internal surge protection and EMI filtering to shield sensitive monitoring electronics from line noise.

• Advanced Diagnostics: Communicates power health status to the 3500/22 TDI module for remote monitoring via System 1 software.