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3500/33 149992-02

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Bently Nevada 3500/33 149992-02 Spare 16-Channel Failsafe Relay Output Module delivers programmable, reliable relay outputs with failsafe logic and robust environmental protection for 3500 series racks.
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Technical specifications for 3500/33 149992-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    3500/33 149992-02
  • Product Family:
    3500 System
  • Power Consumption:
    5.8 watts typical
  • Relay Environmental Sealing:
    Epoxy-sealed
  • Relay Arc Suppressor:
    250 Vrms, Installed as standard
  • Relay Contact Life:
    10,000 cycles
  • 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.
  • Weight:
    0.52 kg
  • Estimated shipping dimensions:
    2.5x11x24cm
  • 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 Control Operating Environment Application

Features:

  • Sixteen Independently Programmable Relay Outputs With Failsafe Logic Ensure Reliable Alarm Response
  • Epoxy-Sealed Relays With Arc Suppressors Provide Extended Operational Life Up To 10,000 Cycles
  • Operates In Harsh Environments With Wide Temperature Range And High Humidity Tolerance
The Bently Nevada 3500/33 149992-02 is a full-height 16-channel failsafe relay module engineered for 3500 series monitoring racks. Each channel can be programmed independently using AND/OR Alarm Drive Logic, responding to alert and danger statuses, Not-OK signals, or measured variables from any monitor channel. Compared to the original 3500/33 relay modules, the 3500/33 149992-02 offers enhanced environmental protection and built-in arc suppression, making it a robust replacement or spare solution for critical monitoring applications.

Designed for industrial reliability, the 3500/33 149992-02 consumes a typical 5.8 watts and includes epoxy-sealed relays with a standard 250 Vrms arc suppressor. Each relay can handle up to 10,000 cycles, providing long-lasting performance. The module’s design allows installation in any slot to the right of a Transient Data Interface (TDI) Module, offering flexible rack configuration.

The module operates from -30°C to +65°C (-22°F to +150°F) and can be stored safely from -40°C to +85°C (-40°F to +185°F). With a humidity tolerance of up to 95% non-condensing, the 3500/33 149992-02 maintains stable performance in harsh, industrial environments. Its combination of programmable outputs, environmental resilience, and reliable failsafe design ensures continuous and accurate monitoring in demanding systems.

The 3500/33 149992-02 Bently Nevada Spare 16-Channel Failsafe Relay Output Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 3500/33 149992-02 Spare 16-Channel Failsafe Relay Output 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 3500/33 149992-02 Spare 16-Channel Failsafe Relay Output Module Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 3500/33 149992-02
  • Condition New Original ready stock
  • Product Family 3500/33,3500/33 149992-05,3500/33 149992-06
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.
  • Multi-channel configuration: Provides 16 independent relay outputs, which can be flexibly assigned to different alarm groups.
  • Fail-safe design: Employs Failsafe logic; when the module loses power or detects an internal fault, the relays automatically switch to alarm mode.
  • Logic table driving: Supports complex AND/OR logic settings via the 3500 framework configuration software, responding to various vibration and displacement alarms.
  • Status monitoring: Features onboard LED indicators to display the relay engagement/disengagement status and module health of each channel in real time.
  • Industrial-grade temperature range: Supports stable operation in ambient temperatures ranging from -30°C to +65°C (-22°F to +149°F).
  • Electrical isolation: High-strength electrical isolation between contacts and internal circuitry prevents field-side surges from damaging the monitoring system.
  • Shock resistance: Designed to meet nuclear power and heavy industry standards, enabling reliable operation in high-vibration and electromagnetic interference (EMI) environments.
  • Physical Coating: Circuit boards typically feature an anti-corrosion coating, adaptable to the salt spray and humid environments of chemical plants or offshore platforms.
  • Emergency Stop System (ESD): As the terminal actuator of the 3500 monitoring system, it directly drives the unit's emergency trip circuit.
  • Automation Linkage: Transmits vibration alarm signals to the host DCS or PLC system to achieve plant-wide automated logic control.
  • Rotating Machinery Protection: Widely used for over-vibration protection of critical assets such as steam turbines, reciprocating compressors, and large fans.
  • Spare Part Replacement: This model (-02 suffix) is often used as a field spare part for quickly replacing damaged 16-channel relay packages to restore system redundancy.
Description
The Bently Nevada 3500/33 149992-02 is a full-height 16-channel relay module designed for integration into 3500 series monitoring racks. Each module provides 16 independent relay outputs that can be programmed with voting logic using the 3500 Rack Configuration Software. The relay outputs support AND/OR Alarm Drive Logic, responding to alert and danger statuses, Not-OK signals, and individual or combined measured variables from any monitor channel in the rack. Compared to the original 3500/33 16-Channel Relay Module, the 3500/33 149992-02 functions as a spare or replacement while maintaining identical programming flexibility and reliability.

With typical power consumption of 5.8 watts, the 3500/33 149992-02 ensures efficient operation while maintaining robust performance. Each relay is epoxy-sealed and includes an installed 250 Vrms arc suppressor, enabling extended operational life up to 10,000 cycles. This construction makes it suitable for continuous operation in critical monitoring applications.

The module is rated for industrial conditions, operating between -30°C and +65°C (-22°F to +150°F), and can be stored from -40°C to +85°C (-40°F to +185°F). Relative humidity tolerance reaches 95% non-condensing, ensuring stable operation even in harsh or humid environments. Installation is flexible, as the 3500/33 149992-02 can occupy any slot to the right of a Transient Data Interface (TDI) Module.

The 3500/33 149992-02 ensures high reliability for failsafe monitoring, with alarm drive logic programmable for individual channels or combined measurements. Its environmental sealing, arc suppression, and extended relay life make it a preferred choice over older relay modules without integrated failsafe protection or arc suppressors.
Alternative Names
3500/33 149992-01 3500/33 149992-04 3500/33 149986-01 3500/33 149986-02 3500/33-01-00
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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 primary function of Bently Nevada 3500/33 149992-02?
It provides 16 programmable relay outputs with failsafe logic for 3500 series monitoring racks.
Can multiple 3500/33 149992-02 modules be installed in a rack?
Yes, any number of 16-channel modules can be installed in slots to the right of the Transient Data Interface (TDI) Module.
How are the relay outputs programmed?
Using the 3500 Rack Configuration Software, with AND/OR Alarm Drive Logic based on alert, danger, Not-OK, or measured variables from any monitor channel.
Why choose 3500/33 149992-02 over older relay modules?
It offers failsafe programming, robust environmental sealing, arc suppression, and full 3500 series compatibility, outperforming older relay modules without integrated failsafe features.