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88984-02

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The Bently Nevada 88984-02 is a dual epoxy-sealed SPDT relay module with internal barriers, designed to safely integrate sensor signals into the 3300 Series monitoring system. It operates at 24 V DC with high reliability in industrial conditions.
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Technical specifications for 88984-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    88984-02
  • Product Family:
    3300 System
  • Construction Type:
    Dual Epoxy Sealed
  • Relay Type:
    Single-Pole Double-Throw (SPDT)
  • Input impedance:
    Approximately 10 kΩ
  • Operating voltage:
    24 VDC
  • Operating Temperature:
    0°C to +65°C (+32°F to +150°F).
  • Storage Temperature:
    -40°C to +85°C (-40°F to +185°F).
  • Relative Humidity:
    To 95%, non-condensing.
  • Weight:
    0.6 kg
  • Estimated shipping dimensions:
    5x11x12.8cm
  • 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 Efficiency Environmental Ratings Application

Features:

  • Dual Epoxy Sealed Construction Ensures Robust Protection Against Dust, Moisture, And Vibration
  • Single-Pole Double-Throw (SPDT) Relay With Internal Barriers For Safe Signal Integration
  • Operates At 24 V DC With Wide Temperature And Humidity Tolerance
The Bently Nevada 88984-02 Epoxy Sealed Relay With Internal Barriers is designed to provide reliable signal handling within the 3300 Series monitoring system. Its dual epoxy construction shields the internal components from harsh industrial conditions, including dust, moisture, and mechanical vibration, helping to maintain long-term operational reliability.

This module integrates internal barriers that safely isolate signals from sensors, such as eddy current probes, ensuring that signals from hazardous areas can be introduced into the monitoring rack without compromising safety or signal integrity. The relay operates on a 24 V DC supply and features an input impedance of approximately 10 kΩ, delivering stable performance for industrial monitoring applications.

The 88984-02 is capable of continuous operation in temperatures ranging from 0°C to +65°C (+32°F to +150°F) and can be stored in conditions from -40°C to +85°C (-40°F to +185°F). With relative humidity tolerance up to 95% non-condensing, it is suitable for a wide range of industrial environments where signal reliability and safety are critical.

The 88984-02 Bently Nevada Epoxy Sealed Relay With Internal Barriers may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 88984-02 Epoxy Sealed Relay With Internal Barriers 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 88984-02 Epoxy Sealed Relay With Internal Barriers Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 88984-02
  • Condition New Original ready stock
  • Product Family 88984-10,88984-09,88984-01
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.
  • Fast Response: Extremely short relay contact action time ensures instantaneous triggering of protection logic in the event of excessive vibration.
  • Signal Transparency: Precise built-in safety barrier design minimizes original signal attenuation while limiting power.
  • Long-Term Stability: Epoxy resin encapsulation reduces increased contact resistance due to contact oxidation.
  • Low Power Consumption Design: Optimized coil current reduces heat generation within the monitoring rack, extending service life.
  • Fully Sealed Protection: Utilizes epoxy-sealed technology for excellent moisture and dust resistance.
  • Corrosion Resistance: Withstands common industrial environments such as oil mist, salt spray, and acidic/alkaline chemical gases.
  • Operating Temperature Range: Supports -40°C to +85°C, suitable for industrial deployments in polar or tropical regions.
  • Intrinsic Safety Rating (IS): Integrates internal barriers, meeting intrinsic safety circuit requirements for hazardous areas.
  • Oil and Gas Field Monitoring: Safely transmits sensor signals to non-explosion-proof areas in flammable and explosive Class I environments.
  • Emergency Interlock Shutdown: Serves as the last line of defense in the unit protection system (MPS), directly driving the shutdown circuit.
  • Status Alarm Output: Outputs "Alert" or "Danger" statuses such as vibration and displacement from the field to the host computer.
  • 3300 System Maintenance: Specifically designed for spare parts replacement and upgrades of older Bently Nevada 3300 series monitoring systems.
Description
The Bently Nevada 88984-02 Epoxy Sealed Relay With Internal Barriers is engineered for secure signal management within the 3300 Series monitoring system. Its dual epoxy construction ensures protection against dust, moisture, and vibration, providing long-term durability in industrial environments. Internal barriers isolate signals from different contacts, enabling safe introduction of sensor outputs from hazardous areas into the monitoring rack.

This relay module is a single-pole double-throw (SPDT) type with an input impedance of approximately 10 kΩ. It is designed to operate reliably at 24 V DC, supporting continuous operation in temperatures from 0°C to +65°C (+32°F to +150°F). For storage, it withstands -40°C to +85°C (-40°F to +185°F) with relative humidity up to 95% non-condensing.

Compared to the Bently Nevada 88984-01, which shares similar SPDT functionality but has a single epoxy seal and narrower environmental tolerance, the 88984-02 offers enhanced protection and broader operating conditions. This makes it especially suitable for installations where signal integrity and environmental resilience are critical.

Overall, the 88984-02 combines robust epoxy sealing, internal isolation barriers, and reliable SPDT operation, making it a dependable choice for safely interfacing sensors and monitoring signals in industrial systems.
Alternative Names
88984-01 88984-03 88984-05 88984-06
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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 type of relay is the Bently Nevada 88984-02?
It is a Single-Pole Double-Throw (SPDT) relay with dual epoxy sealing.
What is the operating voltage and input impedance of the 88984-02?
It operates at 24 V DC with an input impedance of approximately 10 kΩ.
How does the 88984-02 handle environmental conditions?
It operates from 0°C to +65°C (+32°F to +150°F) and can be stored between -40°C and +85°C (-40°F to +185°F), with relative humidity up to 95% non-condensing.
What is the function of the internal barriers in the 88984-02?
Internal barriers isolate contacts to safely introduce sensor signals from hazardous areas into the rack.

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