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125275-01F

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Bently Nevada 125275-01F is a future expansion faceplate for 3500 racks, providing EMI shielding, airflow management, and physical protection for empty module slots.
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Technical specifications for 125275-01F

  • Manufacturer:
    Bently Nevada
  • Part Number:
    125275-01F
  • Product Family:
    3500 System
  • Operating temperature:
    -30°C to +65°C (-22°F to +149°F)
  • Storage temperature:
    -40°C to +85°C (-40°F to +185°F)
  • Relative humidity:
    5% to 95% (non-condensing)
  • Mounting method:
    Double screw mounting (one on top and one on the bottom), supports hot-swappable installation
  • Compatibility:
    Compatible with all standard Bently Nevada 3500 frame slots.
  • Weight:
    0.06 kg
  • Estimated shipping dimensions:
    24.2x2.5x2.5cm
  • Tariff Code:
    8525891900
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Monitoring Operating Environment Application

Features:

  • Protects Empty 3500 Rack Slots From Dust And Debris
  • Provides Effective Electromagnetic Shielding And Airflow Management
  • Supports Hot-Swappable Installation And Universal Rack Compatibility
The Bently Nevada 125275-01F is a dedicated future expansion faceplate designed for the 3500 Machinery Monitoring System. It covers unused rack slots, providing a secure barrier against environmental contamination and maintaining the integrity of adjacent modules such as 3500/42M and 3500/25. The 125275-01F uses a double screw mounting system for stable installation and supports hot-swappable operation, allowing maintenance without powering down the rack.

Compared with older faceplates like 128275-01 or 125274-01, the 125275-01F enhances electromagnetic interference (EMI/RFI) protection through conductive contacts that complete the rack’s shielding ring. It also optimizes airflow inside the rack, directing cool air over active modules to prevent hot spots and localized overheating. These improvements make the 125275-01F more effective than previous versions for maintaining precise vibration and displacement monitoring.

In addition to shielding and cooling, the 125275-01F provides robust physical protection for the 3500 rack. It blocks dust, oil, and metallic debris from entering empty slots, reducing the risk of backplane short circuits, and shields high-speed bus and power pins to protect maintenance personnel. Its universal compatibility and enhanced safety features make it a superior choice for modern 3500 system expansions or legacy rack maintenance.

The 125275-01F Bently Nevada Future Expansion Faceplate may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 125275-01F Future Expansion Faceplate Manuals,Datasheets,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. All prices are shown in USD.
Bently Nevada 125275-01F Future Expansion Faceplate Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 125275-01F
  • Condition New Original ready stock
  • Product Family 125388-01H,128075-01F,130944-01
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Electromagnetic Shielding Monitoring: An EMI/RFI shielding ring on the closed frame prevents external high-frequency interference from entering the internal bus, ensuring that vibration signals from adjacent monitoring modules (such as 3500/42M) do not generate false fluctuations or false alarms.
  • Thermal Control and Airflow Management: Forces airflow to the installed powered modules. Without this panel, cooling air would leak from empty slots, causing localized overheating of the core monitoring module, triggering system high-temperature warnings, or reducing component lifespan.
  • Bus Physical Control: Shields the 3500 Backplane (backplane bus) on the back of the frame. Prevents foreign objects from falling in and causing short circuits in the bus, thus avoiding the collapse of the entire monitoring frame (rack) or failure of protection functions.
  • Extreme Temperature Tolerance: Operating temperature range is -30°C to +65°C. Made of high-strength aluminum alloy, it does not deform at high temperatures and does not become brittle at low temperatures.
  • High Humidity and Corrosion Resistance: Supports non-condensing humidity from 5% to 95%. The surface features an industrial-grade anti-corrosion coating, resisting the salt spray and chemical corrosion environments common in chemical plants or offshore platforms.
  • Vibration-Resistant Design: Compact structure secured with double screws, capable of withstanding continuous high-frequency micro-vibrations common around rotating machinery without causing noise or mechanical interference due to loosening.
  • System Phased Expansion: Used to fill empty slots during the initial stages of a project when the unit is not fully equipped. When additional displacement, speed, or temperature monitoring points are needed in the future, the panel can be directly removed to insert the new module without downtime.
  • Spare Parts Slot Protection: In the critical 3500 protection frame, this panel must be installed in all unused slots to ensure cabinet appearance consistency and internal cleanliness.
  • Standardized Cabinet Integration: System integrators (SIs) typically pre-install this panel when delivering standard 14-slot frames to meet basic IP20/IP54 protection requirements.
  • Temporary maintenance replacement: When a monitoring module is sent for inspection or repair, this panel is temporarily installed to maintain the heat dissipation pressure and shielding integrity within the frame.
Description
The Bently Nevada 125275-01F is a dedicated future expansion faceplate for the 3500 Machinery Monitoring System, designed to cover unused rack slots while maintaining optimal performance of adjacent modules such as 3500/42M and 3500/25. It uses double screw mounting, one on top and one on the bottom, and supports hot-swappable installation, allowing maintenance without shutting down the rack. The module operates from -30°C to +65°C and can be stored between -40°C and +85°C, tolerating relative humidity from 5% to 95% (non-condensing).

This faceplate provides electromagnetic shielding (EMI/RFI) with conductive metal contacts, closing the rack’s EMI ring to prevent external noise from interfering with sensitive vibration monitoring modules. Additionally, it ensures airflow continuity inside the rack, guiding cool air over active modules to prevent localized overheating. It also blocks dust, oil, and metallic debris from entering empty slots and shields high-speed bus and power pins to protect maintenance personnel.

Compared to similar modules, such as 125274-01, the 125275-01F improves airflow and hot-swap capability while retaining universal compatibility with all standard 3500 rack slots. These enhancements make it a more reliable and safe choice for maintaining system integrity and protecting both equipment and personnel.
Alternative Names
128275-01 128275-01F 128031-01 128031-01C 128031-01D
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How does 125275-01F enhance safety for maintenance personnel?
It shields the high-speed bus and power pins inside the rack, preventing accidental electric shock during servicing.
Is 125275-01F compatible with all 3500 frames?
Yes, it is compatible with all standard Bently Nevada 3500 frame slots.
What is the operating temperature range of 125275-01F?
It operates between -30°C and +65°C (-22°F to +149°F).
How does 125275-01F provide physical protection?
It blocks dust, oil, and metal debris from entering empty slots, reducing the risk of short circuits in the backplane circuitry.