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        Bently Nevada 3500/04 136719-01 128275-01F internal barrier module for the 3500 machinery protection system
        Bently Nevada 3500/04 136719-01 128275-01F internal barrier module for the 3500 machinery protection system
        Bently Nevada 3500/04 128275-01F internal barrier assembly with board-mounted components and rack connection hardware
        Bently Nevada 3500/04 136719-01 128275-01F internal barrier module for the 3500 machinery protection system
        Bently Nevada 3500/04 136719-01 128275-01F internal barrier module for the 3500 machinery protection system
        Bently Nevada 3500/04 128275-01F internal barrier assembly with board-mounted components and rack connection hardware
        Ask our team:
        • Phone: +86 181 0690 9650
        • E-Mail sales1@apterpower.com

        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power supplies factory-fresh Bently Nevada 3500/04 (136719-01) internal barrier components, providing plant engineers with a dependable, current-generation hardware source to maintain critical hazardous-area vibration and displacement monitoring loops.

        3500/04 136719-01 128275-01F (128275-01)

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        The 3500/04 internal barrier 136719-01 (grounding I/O module) 128275-01 is an intrinsically safe interface integrated into the Bently Nevada™ 3500 system.
        In Stock
        Ships by Thursday, October 29
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        Get a quick price for 3500/04 136719-01 128275-01F (128275-01)
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 3500/04 136719-01 128275-01F (128275-01)

        • Manufacturer:
          Bently Nevada
        • Part Number:
          3500/04 136719-01 128275-01F (128275-01)
        • Product Family:
          3500 System
        • Product Type:
          Universal AC Power Supply
        • Stock:
          2
        • Process Variable:
          +4 to +20 mA
        • Bandwidth:
          30 kHz
        • Amplitude Accuracy:
          ±1%
        • Phase Accuracy:
          -11° @ 10 kHz
        • Product Type:
          Internal Barriers
        • Weight:
          0.4 kg
        • Estimated shipping dimensions:
          0.4
        • Tariff Code:
          8537101190
        • 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 Performance & Efficiency Firmware & Updates Product Applications

        Features:

        • Interface Between the Universal AC Power Source and 3500 Rack Backplane
        • Combines Capability of AC/DC Power Conversion with Redundant Power Support
        • Operates in Conjunction with the M Series and Standard 3500 Monitors
        The 3500/04 136719-01 128275-01F operates as the Universal AC Power Supply in a 3500 rack, providing reliable DC power to all modules within the system. It continuously converts incoming AC power (85-264 VAC, 47-63 Hz) to regulated 24 VDC and distributes this power through the rack backplane to support steady state operation of all monitors and modules. Seamless power transfer is standard with the 3500/04 136719-01 128275-01F, however using an optional Redundant Power Configuration will allow seamless switchover to a backup supply in the event of a primary power failure. The 3500/04 136719-01 128275-01F has made improvements in several areas over previous power supply designs in addition to incorporating universal input voltage capability within the 3500 rack..

        The 3500/04 136719-01 128275-01F provides essential power functions common to the entire rack, and is a critical component of the monitoring path, directly affecting the proper, normal operation of the overall monitor system. One or two 3500/04 136719-01 128275-01F power supplies are required per rack depending on the desired redundancy level. The 3500/04 136719-01 128275-01F occupies only a single half-height slot in the rack and is always located in Slot 0 (far left position, the dedicated power supply slots).

        For Dual Redundant Power applications, the 3500 System requires a second 3500/04 136719-01 128275-01F power supply module installed in the redundant slot. In addition to standard single supply operation, the redundant configuration also performs automatic switchover. The 3500 dual power configuration executes failover using the internal circuitry specified in the power supply options. Using this method, the redundant power system continually monitors the health of both supplies. If the system detects that the primary power supply is no longer providing stable output (outside configured voltage/ tolerance levels), it will automatically transfer the load to the secondary supply and place an event in the System Event List.

        The 3500/04 136719-01 128275-01F Bently Nevada Universal AC Power Supply may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

        Bently Nevada 3500/04 136719-01 128275-01F Universal AC Power Supply 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 3500/04 136719-01 128275-01F Universal AC Power Supply

        General

        • Manufacturer GE / Bently Nevada
        • Model 3500/04 136719-01 128275-01F
        • Condition New Original ready stock
        • Product Family 3500/04,136719-01,128275-01
        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.
        • Rack Positioning: To maintain efficiency and safety, the IS Earthing Module requires a dedicated I/O position, which limits a standard 19-inch rack to 13 monitor positions.
        • Wiring Separation: For optimal performance and safety compliance, installers must maintain a 50 mm (2 in) physical separation between safe and hazardous area field wiring.
        • Cooling Efficiency: According to Newgen PLC, these plates are essential for maintaining proper airflow throughout the rack, preventing hotspots and ensuring the long-term reliability of active modules.
        • Protection: It protects internal backplane components from dust and debris while maintaining a professional, uniform aesthetic.
        • Software Requirement: Revision 2.3 or later of the 3500 Rack Configuration Software is mandatory to enable internal barrier support.
        • 136719-01 Earthing I/O Module: This is a passive electrical safety component; it does not contain a microprocessor and therefore cannot be updated via firmware.
        • 128275-01F Blank Plate: This is a mechanical cover made of metal alloy. It contains no electronic components and does not have firmware
        • Explosion Protection: The 3500/04 internal barriers provide an intrinsically safe interface for transducer systems (like proximity probes or accelerometers) connected directly to the 3500 rack.
        • IS Grounding: The 136719-01 Earthing I/O Module is a mandatory requirement for any rack containing internal barriers, as it provides the critical IS earth connection via the backplane.
        • Hazardous Area Connectivity: It allows standard monitors (e.g., 3500/25, 3500/42, 3500/50) to interface with sensors located in hazardous zones without needing external barrier cabinets.
        Description
        The 3500/04 Internal Barriers 136719-01 (Earthing I/O Module) 128275-01 are part of the Bently Nevada™ 3500 System and serve as intrinsically safe interfaces that provide explosion protection for transducer systems directly connected to the 3500 Machinery Protection System.

        These internal barriers are fully compatible with the 3500 System and offer a convenient and cost-effective solution for installing various types of transducer systems in hazardous areas. As an integral part of the 3500 System, they do not degrade overall system performance, unlike external barrier solutions.

        Bently Nevada provides transducer systems with comprehensive approvals for hazardous area installations, specifically matched to the 3500 Internal Barriers. Each component complies individually and as part of the complete system with North American and international safety standards, eliminating the need to reference separate certificates to verify component compatibility.

        Standard monitors and internal barrier monitors can be installed within the same 3500 rack. Existing standard monitors can be upgraded by replacing the original I/O modules with I/O modules that include internal barriers, allowing flexible system expansion and upgrades.
        Alternative Names
        3500/04 136719-01 128275-01 138257-01 3500/04-01-00 3500/04-01-01 3500/04-01-02 3500/04 128275 01F
        Technical notes
        Bently Nevada 3500/04 136719-01 128275-01F Universal AC Power Supply with process variable +4 to +20 mA, bandwidth 30 kHz, amplitude accuracy ±1%, phase accuracy -11° @ 10 kHz.
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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.
        VIEW ALL FAQS
        How are internal barriers implemented in a 3500 rack?
        The internal barriers are incorporated into special Monitor I/O Modules within the 3500 rack.
        What is the function of the internal barriers in the 3500 system?
        They provide explosion protection for transducer systems connected to the 3500 Machinery Protection System.
        What firmware or software configuration version is required to recognize the Bently Nevada 3500/04 136719-01 128275-01F earthing system components?
        The Bently Nevada 3500/04 136719-01 128275-01F system relies on the 3500 Rack Configuration Software (Revision 2.3 or later) to safely map and reserve the dedicated slot. The corresponding internal barrier monitor cards (such as 3500/25, 3500/42M, or 3500/50) must run minimum approved firmware baselines (e.g., Firmware Rev D/E or later) to properly calibrate diagnostics without triggering false open-circuit or ground fault system alarms.
        Does the dummy faceplate inside the Bently Nevada 3500/04 136719-01 128275-01F bundle carry any communication protocols or diagnostic I/O tracking data?
        No, the 128275-01F component within the Bently Nevada 3500/04 136719-01 128275-01F is a completely passive, non-electrical structural mechanical cover. Advanced diagnostics are handled entirely by the 136719-01 Earthing Module, which communicates ground status directly across the system backplane to feed rack health status into centralized DCS networks via Modbus or Ethernet.
        Can the Bently Nevada 3500/04 136719-01 128275-01F package be used in standard 400mm deep control cabinets?
        No, the Bently Nevada 3500/04 136719-01 128275-01F hardware requires an increased physical footprint due to its internal barrier architecture, which adds 50 mm (2 inches) of depth to maintain proper safe-to-hazardous field wiring isolation. To deploy this setup safely without damaging cables, it must be installed within a cabinet depth of at least 600 mm, or utilize the 3500/06 Bulkhead Weatherproof Housing.

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        Product Browsing History

        Bently Nevada 3500/04 136719-01 128275-01F internal barrier module for the 3500 machinery protection system
        Bently Nevada 3500/04 136719-01 128275-01F internal barrier module for the 3500 machinery protection system
        Bently Nevada 3500/04 128275-01F internal barrier assembly with board-mounted components and rack connection hardware
        Bently Nevada 3500/04 136719-01 128275-01F internal barrier module for the 3500 machinery protection system
        Bently Nevada 3500/04 136719-01 128275-01F internal barrier module for the 3500 machinery protection system
        Bently Nevada 3500/04 128275-01F internal barrier assembly with board-mounted components and rack connection hardware