125840-02 Bently Nevada

125840-02 Bently Nevada Processor module

Product  Description：

• • • The 125840-02 PIM is a half-height module that installs into the back of a 3500 rack, specifically in the slots dedicated to the power supplies on the left side. It works in tandem with the 127610-01 AC Power Supply Module (the front module). In a standard 3500 rack, you can install up to two power supplies for redundancy. When two are present, the 125840-02 serves as the connection point for the low-voltage AC mains for its respective supply. Because it is a "Low Voltage" variant, it is specifically designed for regions or facilities utilizing 110 VAC nominal power.

      Product Parameters

      • Product Type: Low Voltage AC Power Input Module (PIM)

      • Part Number: 125840-02

      • System Compatibility: Bently Nevada 3500/15 Power Supply System

      • Input Voltage Range: 85 to 132 Vac rms (110 Vac nominal)

      • Input Frequency: 47 to 63 Hz

      • Maximum Current Draw: 4.5 A rms

      • Peak Voltage Support: 120 to 188 Vac peak

      • Internal Protection: Includes a 6.25 A, 250 V fuse

      • Operating Temperature: -30°C to +65°C (-22°F to +150°F)

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

      • Humidity: 95% non-condensing

      • Dimensions: Approximately 120.7 mm x 25.4 mm x 114.3 mm (4.75 in x 1.0 in x 4.5 in)

      • Weight: Approximately 0.34 kg (0.75 lb)

      Product Advantages

      • High Reliability: Designed for continuous operation in mission-critical industrial environments where machinery protection cannot afford downtime.

      • Redundancy Support: The 3500 rack architecture allows for two power supplies. If one supply or its PIM fails, the other can power the entire rack without interrupting the monitoring process.

      • Hot-Swappable Nature: When a redundant supply is present, the 125840-02 and its associated front module can be replaced while the rack is powered and the machinery is running.

      • Compact Half-Height Design: Its small form factor allows for efficient use of rack space, permitting two power supplies to occupy the same vertical footprint as a single standard module.

      • Robust Protection: Integrated over-voltage and under-voltage protection, along with a user-replaceable fuse, helps shield the internal rack electronics from external power surges or faults.

      Important Considerations

      • Voltage Specificity: The 125840-02 is strictly for Low Voltage AC (85-132 Vac). Connecting it to a 220 Vac source will blow the fuse and potentially damage the module. For higher voltages, the 125840-01 (High Voltage PIM) must be used.

      • Legacy Compatibility: This module is part of the legacy 3500/15 power supply series. It is not compatible with the newer "Universal AC" power supplies (P/N 106M1079-01) or their corresponding Universal PIMs.

      • Fuse Maintenance: Always use the exact fuse rating (6.25 A, 250 V) for replacements to maintain the safety certification and equipment protection.

      • Proper Grounding: Ensure the rack and the PIM are correctly grounded according to Bently Nevada's installation manuals to prevent signal noise and electrical hazards.

      • Hazardous Areas: If used in Class I, Division 2 or ATEX Zone 2 environments, ensure the module is installed within a suitable enclosure that meets the specific local safety requirements.

      Product Applications

      The Bently Nevada 125840-02 is used globally in large-scale industrial plants that require 110V AC power for their control systems. Typical applications include:

      • Oil and Gas: Powering vibration and position monitoring systems for turbines, compressors, and pumps in refineries and offshore platforms.

      • Power Generation: Providing stable power for protection systems on large steam or gas turbines in power plants.

      • Petrochemical: Ensuring the continuous operation of safety-critical monitoring in chemical processing facilities.

      • Mining and Metal: Protecting heavy-duty fans, motors, and gearboxes from catastrophic failure through reliable monitoring.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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