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        3500/32-01-01

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        The Bently Nevada 3500/32-01-01 is a full-height, 4-channel relay module designed for the 3500 monitoring system, providing four independently programmable SPDT relay outputs for critical machinery protection.
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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 3500/32-01-01

        • Manufacturer:
          Bently Nevada
        • Part Number:
          3500/32-01-01
        • Product Family:
          3500 System
        • Product Type:
          Full-Height 4-Channel Relay Module
        • Agency Approva:
          cNRTLus (Class I, Div 2)
        • Max Switched Voltage (Standard):
          125Vdc / 250Vac
        • Max Switched Voltage (Hazardous/SIL):
          30Vdc
        • Power Consumption:
          5.8 Watts (typical)
        • 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:
          0.7 kg
        • Estimated shipping dimensions:
          24.1 x 2.5 x 24.2cm
        • Tariff Code:
          9031809090
        • 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 & Control Operating Environment Applications

        Features:

        • Four independently programmable SPDT relay outputs for flexible alarm and trip logic.
        • cNRTIus certified for safe operation in Class I, Division 2 hazardous (explosive) environments.
        • Reliable operation from -30°C to +65°C with epoxy-sealed contacts for harsh industrial environments.
        Each of the four channels on the Bently Nevada 3500/32-01-01 features a single-pole double-throw (SPDT) relay that can be programmed independently using the 3500 Rack Configuration Software. Users can implement complex voting logic by combining Alert statuses, Danger statuses, Not-OK conditions, or individual Proportional Power Levels (PPLs) from any monitor channel within the rack. This flexibility allows the module to be tailored precisely to any machinery protection strategy, from simple shutdowns to sophisticated, condition-based tripping.

        The Bently Nevada 3500/32-01-01 carries the cNRTIus agency approval, making it suitable for installation in potentially explosive atmospheres such as oil refineries, gas compression stations, and chemical plants. When installed per drawing 149243 or 149244, the module is rated T4 @ Ta = -20°C to +65°C, ensuring reliable performance where flammable gases or vapors may be present during abnormal conditions. This certification provides plant operators with the confidence to deploy the module in critical safety-related applications without compromising site compliance.

        Engineered for extreme conditions, the Bently Nevada 3500/32-01-01 operates across a wide ambient temperature range of -30°C to +65°C (-22°F to +150°F) and withstands 95% non-condensing humidity. The relays are epoxy-sealed, providing excellent protection against dust, moisture, and chemical contaminants commonly found in power plants, steel mills, and offshore platforms. This robust construction minimizes contact degradation and ensures long service life, reducing maintenance costs and unplanned downtime in demanding rotating machinery applications.

        The 3500/32-01-01 Bently Nevada 3500 4-Channel Relay Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Bently Nevada 3500/32-01-01 3500 4-Channel Relay 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 3500/32-01-01 3500 4-Channel Relay Module

        General

        • Manufacturer Bently Nevada
        • Model 3500/32-01-01
        • Condition New Original ready stock
        • Product Family 3500/32-01-00,3500/32-01-02,149986-02
        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.
        • Alarm Voting Logic – Each relay can combine Alert/Danger signals from multiple monitors using AND/OR logic.
        • Independent Channel Programming – Four relay channels can be configured for completely different protection strategies.
        • Not‑OK Inclusion – Relay logic can include “module not‑OK” status for fail‑safe operation if a monitor fails.
        • Visual Status Indication – Front LEDs (OK, TX/RX, CH ALARM) give at‑a‑glance operational and alarm status.
        • Extreme Temperature Range – Rated for -30°C to +65°C ambient, suitable for unheated machinery halls or outdoor enclosures.
        • High Humidity Tolerance – Operates at 95% non‑condensing humidity without performance degradation.
        • Hazardous Area Ready – Certified for Class I, Division 2 (gas/vapor) locations with cNRTIus approval.
        • Epoxy‑Sealed Contacts – Relays are sealed against dust, moisture, and chemical contaminants for long service life.
        • Steam & Gas Turbines – Provides trip and alert outputs for overspeed, vibration, and temperature monitoring.
        • Centrifugal Compressors – Protects surge control and bearing health with high‑speed relay logic.
        • Pumps & Fans – Automates shutdown on high vibration or bearing failure to prevent catastrophic damage.
        • Emergency Shutdown Systems (ESD) – Integrates into plant‑wide safety systems for rotating machinery.
        Description
        The Bently Nevada 3500/32-01-01 integrates seamlessly into any slot to the right of the Transient Data Interface (TDI) module within a 3500 rack. Each of its four relay outputs can be independently programmed using AND/OR logic, utilizing alarming inputs (Alert/Danger statuses), Not-OK states, or individual Proportional Power Levels (PPLs) from any monitor channel. This flexibility allows users to tailor voting logic precisely to their machinery protection strategy.

        Engineered for extreme reliability, the Bently Nevada 3500/32-01-01 features epoxy-sealed, single-pole double-throw (SPDT) relays with a contact life of 100,000 cycles at 5A, 24Vdc or 240Vac. It operates flawlessly across a wide temperature range of -30°C to +65°C (-22°F to +150°F) and withstands 95% non-condensing humidity, making it ideal for power generation, oil & gas, and heavy industrial rotating machinery protection.

        The Bently Nevada 3500/32-01-01 carries cNRTIus approval (Class I, Div 2, Groups A,B,C,D; T4 @ Ta=-20°C to +65°C), ensuring safe operation in potentially explosive atmospheres when installed per drawing 149243 or 149244. It requires 3500 Rack Configuration Software v4.5 or later, and is fully compatible with 3500/22 TDI modules, 3500/93 LCD, and 3500/94 VGA displays.
        Alternative Names
        3500/32-01-00 3500/32-01-02
        Technical notes
        When used in functional safety (SIL) systems or hazardous area certifications, the Bently Nevada 3500/32-01-01 relay contact voltage is strictly limited to a maximum of 30Vdc. Higher voltages (such as 125Vdc or 250Vac) are only permitted for non-hazardous, non-SIL installations, as exceeding these limits violates hazardous area certification and creates a potential hazard of electric shock.
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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
        In which applications is the Bently Nevada 3500/32-01-01 most commonly used?
        It is widely used in power plants, oil refineries, natural gas compression stations, and large rotating machinery trains (steam turbines, compressors, pumps). Anywhere critical assets require automated shutdown or warning based on vibration, position, or temperature alarms.
        What happens if the relay channel of the Bently Nevada 3500/32-01-01 enters an alarm state?
        The front‑panel CH ALARM LED illuminates for that channel, and the relay output changes state based on your pre‑programmed voting logic (e.g., Alert or Danger from one or multiple monitors).
        How do I know if the Bently Nevada 3500/32-01-01 is communicating properly?
        Check the TX/RX LED on the front panel. When flashing normally, it indicates proper communication between the Bently Nevada 3500/32-01-01 and other modules in the rack.
        Is the Bently Nevada 3500/32-01-01 suitable for SIL (functional safety) systems?
        Yes, but with restriction – when used in a SIL or hazardous area system, relay contacts are limited to 30Vdc maximum. Never apply higher voltages in such systems, as this violates safety certification and creates shock hazards.

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