Bently Nevada 133396-01
Bently Nevada 133396-01
Bently Nevada 133396-01
Bently Nevada 133396-01
Bently Nevada 133396-01
Bently Nevada 133396-01
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  • Lifecycle Status

    Discontinued / Obsolete by OEM
    Ensuring turbine reliability despite OEM phase-outs, Apter Power offers certified Bently Nevada modules that allow you to maintain vital overspeed detection without expensive system upgrades.

133396-01

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The Bently Nevada 133396-01 is an I/O module with internal terminations for accurate overspeed detection in 3500/53 systems.
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Technical specifications for 133396-01

  • Manufacturer:
    Bently Nevada
  • Part Number:
    133396-01
  • Product Family:
    3500 System
  • Product Type:
    Overspeed Detection I/O Module
  • Stock:
    2
  • Rack Space Requirements:
    1 full-height rear slot/per channel.
  • Input Impedance:
    20 k Ω.
  • Output Impedance:
    550 Ω.
  • Power Consumption:
    8.0 watts, typical.
  • Transducer Power Supply:
    -24 Vdc, 40 mA maximum.
  • Operating Temperature:
    -30 °C to +65 °C (-22 °F to +149 °F)
  • Storage Temperature:
    -40 °C to +85 °C (-40 °F to +185 °F)
  • Humidity:
    95%, non-condensing.
  • Weight:
    0.44 kg
  • Estimated shipping dimensions:
    2.4x11x24cm
  • Tariff Code:
    3902100090
  • 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 Communication Application Monitoring

Features:

  • High Reliability Design For Critical Overspeed Protection
  • Integrated Terminations For Simplified Sensor Connections
  • Supports Multiple Voting Configurations To Enhance System Availability
The Bently Nevada 133396-01 is an I/O module built for the 3500/53 overspeed detection system. It acts as a key component in mechanical protection, triggering safety shutdowns when monitored machinery exceeds preset speed limits.

This module features built-in terminal blocks, allowing direct connection of proximity probes or magnetic tachometers. The internal terminations streamline installation and reduce the complexity of panel wiring.

The 133396-01 also supports multiple voting logic options, which help maintain reliable operation even if a single channel experiences a fault. Its design meets API 670 standards, making it suitable for critical equipment such as turbines and large compressors, while providing real-time speed monitoring to control systems.

The 133396-01 Bently Nevada Overspeed Detection I/O Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 133396-01 Overspeed Detection I/O Module 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 133396-01 Overspeed Detection I/O Module Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 133396-01
  • Condition New Original ready stock
  • Product Family 3500/53,133388-01,134129-01
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.
  • Sensor Interface: Each module can connect to a single pulse signal from an eddy current sensor (such as the 3300 8mm series) or a magnetoelectric sensor.
  • Backplane Communication: Communicates with the front-end 3500/53 main module via the 3500 frame backplane and exchanges data with other modules within the system (such as the 3500/22M transient data interface module).
  • Remote Interface: Provides back-end panel connection, supporting remote activation of System Reset, Trip Multiply, and Rack Alarm Inhibit functions.
  • External Gateway: Can be used with the 3500/92 communication gateway module to integrate speed and status data into the factory DCS or PLC system via standard protocols.
  • Core Power Equipment: Overspeed shutdown protection for steam turbines and gas turbines to prevent catastrophic damage caused by overspeed.
  • Heavy-duty industrial compressors: Real-time speed monitoring and safety interlocking for critical compressor units in oil and chemical production.
  • Large pump sets: Mechanical protection for critical power pumps in oil refineries or water conservancy projects.
  • Compliance protection: Suitable for overspeed protection systems that must meet API 670 or API 612 industry standards.
  • Voting logic control: Supports 2-to-2 or 3-to-2 redundant voting logic (requires multiple modules), comparing readings from multiple sensors to determine whether to trigger a shutdown, balancing safety and availability.
  • Fast relay triggering: When overspeed or sensor failure (NOT OK) is detected, an alarm or interlock trip signal is output through an integrated fast-response relay (e.g., with 3500/32 or 3500/34 modules).
  • Real-time status feedback: LED indicators: The panel features an OK light (module status), a TX/XR light (communication status), and a Bypass light (bypass mode). Analog recording: Provides a 4-20 mA recorder output, proportionally feeding back speed information to the recording instrument or monitoring system.
  • Buffered output: A coaxial connector on the front panel allows for buffered sensor signal output for on-site diagnostics using portable analyzers.
Description
The Bently Nevada 133396-01 is designed for the 3500/53 electronic overspeed detection system and is a core component of the 3500 mechanical protection system, performing critical safety shutdown functions. It is mounted on the back of a 3500 frame and interfaces with the 3500/53 monitor at the front, receiving raw speed signals and actuating an overspeed trip relay according to preset logic.

This module includes internal terminations, allowing direct connection of proximity probes or magnetic tachometers, which simplifies wiring and eliminates the need for an external terminal block. It supports multiple voting configurations, including 2-out-of-2 and 2-out-of-3, allowing the system to tolerate a single channel failure without false trips.

The 133396-01 occupies one full-height rear slot per channel, has an input impedance of 20 kΩ, output impedance of 550 Ω, typical power consumption of 8.0 watts, and a transducer power supply of -24 Vdc at 40 mA maximum. It operates over a temperature range of -30 °C to +65 °C (-22 °F to +149 °F), can be stored at -40 °C to +85 °C (-40 °F to +185 °F), and tolerates up to 95% non-condensing humidity.

Compared to the Bently Nevada 133434-01, the 133396-01 provides internal terminations, reducing panel complexity and simplifying installation for critical applications such as steam turbines, gas turbines, and large compressors. It also offers a 4-20 mA recorder output for real-time speed monitoring in DCS or PLC systems.
Alternative Names
133388-01 134129-01 134939-01 04425545 04400037 13339601 I33396-0I 133396-O1
Technical notes
Engineered with internal terminations, the Bently Nevada 133396-01 Overspeed Detection I/O Module fits into any full-height slot of the 3500 rack to interface seamlessly with the 3500/53 module. Operating efficiently with a low power consumption of under 5.0 watts, it acts as a rugged physical link to deliver clean speed data for hardware-voted overspeed tripping protection.
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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.
What is the Bently Nevada 133396-01 used for?
It is an I/O module that provides overspeed protection for turbines and compressors in 3500/53 systems.
How is the Bently Nevada 133396-01 installed?
It mounts on a full-height rear slot per channel in a 3500 frame and connects directly to sensors via internal terminations.
How does it compare to the 133434-01?
The 133396-01 has internal terminations, reducing installation complexity while providing reliable overspeed protection for critical machinery.