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Bently Nevada 3500/32M 125720-02 hazardous-area and functional-safety relay output module product view
Bently Nevada 3500/32M 125720-02 hazardous-area and functional-safety relay output module product view
Bently Nevada 3500/32M 125720-02 hazardous-area and functional-safety relay output module product view

Bently Nevada 3500/32M 125720-02 hazardous-area and functional-safety relay output module

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Bently Nevada 3500/32M
3500/32M 125720-02 - hazardous-area and functional-safety relay output module

3500/32M 125720-02 provides four relay outputs for restricted-voltage systems. Match the contact load to the approved installation.

Bently Nevada3500/32MRestricted-service relay output
Sales managerTiffany Guan
Mobile / WhatsApp+86 18030235313
3500/32M 125720-02 product profile
ManufacturerBently Nevada
Exact model3500/32M 125720-02
Output arrangementFour SPDT relays
Intended systemHazardous area / functional safety
Maximum DC voltage30 Vdc; resistive load
Maximum AC voltage30 Vac; resistive load
Switched current2 A maximum; resistive load
Verified functionRestricted-voltage relay outputs
  • Brand:

    Bently Nevada
  • Item NO.:

    3500/32M 125720-02
  • Part Number:

  • Weight:

  • Dimensions:

  • Manufacture Year:

  • Place of Origin:

  • Certification:

  • Description:

3500/32M 125720-02 configuration inquiry

Get a precise quote for 3500/32M 125720-02

Email Sales
Sales managerTiffany Guan
WhatsApp+86 18030235313

3500/32M 125720-02 function and interfaces

3500/32M 125720-02 is a hazardous-area and functional-safety relay output module for the 3500/32M installation. The stated resistive-load limits for these systems are 30 Vdc or 30 Vac maximum and 2 A maximum.

Restricted-voltage alarm circuitsInterface the controlled relay contacts to circuits within the applicable lower voltage limits.
Safety-system output serviceReplace the designated output spare while maintaining the approved system safety arrangement.
Hazardous-area circuit separationPreserve the installation wiring and spacing conditions associated with the system approval.
Channel-state verificationConfirm the energized or de-energized relay selection and the resulting plant response.

Installation and selection boundaries

  • This output spare is listed for hazardous-area systems and functional-safety systems.
  • The stated resistive-load limits for these systems are 30 Vdc or 30 Vac maximum and 2 A maximum.
  • The bare spare number does not establish the safety integrity or hazardous-area approval of an entire installed system.
Official product data

3500/32M 125720-02 key specifications

Spare type Rear four-channel relay output module
System application Hazardous-area and functional-safety systems
Relay arrangement Four single-pole, double-throw relays
Minimum switched current 100 mA at 12 Vdc
Maximum DC switched voltage 30 Vdc; resistive load
Maximum AC switched voltage 30 Vac; resistive load
Maximum switched current 2 A; resistive load
Channel normal state Switch selectable: normally energized or normally de-energized
Relay sealing Epoxy-sealed

Bently Nevada datasheet 141533 Rev. W, pages 1-3 and 6.

Pre-order check 01

Installation environment

Preserve the approved protection arrangement while installing the correct component and field connections.

  • Identify the hazardous-area or functional-safety installation conditions before transferring any relay circuit.
  • Isolate the affected circuits and coordinate the required protection or alarm coverage.
  • Verify that each resistive-load circuit stays within the restricted voltage and current limits.
  • Restore channel normal-state selections and verify the approved plant alarm response after reconnection.
Keep the installed wiring and configuration records available for controlled commissioning checks.
Pre-order check 02

Compatibility confirmation

Review the complete identity together with the fitted interfaces and installed configuration.

Output identity
3500/32M 125720-02 for the designated restricted-service installation.
Field-circuit arrangement
Map all four SPDT relay circuits and their normal-state selections.
Electrical limits
Use the hazardous-area / functional-safety contact limits, not standard-system higher-voltage figures.
Validated logic
Retain the approved rack alarm-drive logic and the required proof-test procedure.
Approval conditions
Match the actual system label, installation drawing, environment and enclosure requirements.
Match 3500/32M 125720-02 with the installed monitor, field wiring, configuration and applicable installation requirements.
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Every model above links to an existing Nordwel product page. Send the full part number for configuration and availability confirmation. CHECK WITH SALES

3500/32M 125720-02 Order Guide

Selection checks for the complete 3500/32M 125720-02 identity and installed arrangement.
1Identify the complete assemblySpecify 3500/32M 125720-02 and retain the supplied hardware revision and installed rack position.
2Map the field connectionsMap all four SPDT relay circuits and their normal-state selections.
3Check the connected equipmentUse the hazardous-area / functional-safety contact limits, not standard-system higher-voltage figures.
4Retain the configurationRetain the approved rack alarm-drive logic and the required proof-test procedure.
5Review site conditionsMatch the actual system label, installation drawing, environment and enclosure requirements.
6Coordinate the replacementProvide the quantity, delivery destination and controlled verification requirements before the replacement window.

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Nordwel customer support

Company Services & FAQ

Practical support for 3500/32M 125720-02 selection, quotation and order coordination.

Company services

Component and installation checkReview the complete ordering identity, actual interfaces and installed configuration before quotation.
Fast quotation supportConfirm pricing, availability and lead time against current Nordwel business records.
Worldwide shipping coordinationConfirm destination, freight option, packing requirements and shipment tracking workflow.
Order follow-upProvide pre-order clarification and shipment-status support through the assigned sales contact.

3500/32M 125720-02 FAQ

Why is 3500/32M 125720-02 selected for a restricted-voltage system?This spare is specifically listed for hazardous-area and functional-safety systems. Those systems use the lower contact voltage limits stated for that service, rather than the higher figures listed for standard non-hazardous systems.
What DC contact limit applies to 3500/32M 125720-02 in its stated service?The restricted-service DC specification permits up to 30 Vdc and 2 A for a resistive load. Verify both voltage and current, and check the actual installation conditions before connecting the circuit.
Can 3500/32M 125720-02 switch a 230 Vac hazardous-area load?No. The stated maximum for AC switching in hazardous-area and functional-safety service is 30 Vac with a 2 A resistive-load limit. A standard-system high-voltage figure must not be substituted for this restriction.
Is a very small signal load automatically suitable for 3500/32M 125720-02?Check the minimum switched-current requirement as well as the maximum ratings. The specification states a minimum of 100 mA at 12 Vdc; a low-current circuit needs its own suitability review.
Does 3500/32M 125720-02 alone make an installation SIL compliant?No. It is the designated output spare for functional-safety service, but compliance depends on the complete approved system, configuration and installation. Preserve the required system architecture and verification procedures during replacement.
How many separately controlled outputs are available through 3500/32M 125720-02?The module provides four SPDT relay outputs. Their alarm behavior is driven by the matched control system, so check the channel-to-field-circuit assignment as well as the physical terminal connections.
What normal-state setting should be restored on 3500/32M 125720-02?Restore the approved normally energized or normally de-energized selection for each channel. The correct setting depends on the plant alarm philosophy and the required response when relay power is lost.
Why must exposed field conductors be considered with 3500/32M 125720-02?The relay documentation warns that field wiring can expose conductors to human contact. Maintain suitable isolation and handling precautions, even when the circuit is designed within the restricted voltage limits.
Where is alarm voting configured for 3500/32M 125720-02?The rack relay control system uses Bently Nevada rack configuration software for alarm-drive logic. Keep that configuration separate from the output contact wiring and verify the final relay action against the approved logic.
Which identification should accompany a 3500/32M 125720-02 replacement request?Provide the complete submitted identity, the supplied unit label, the existing system approval and the relay circuit load. These checks establish whether the requested spare and the actual restricted-service installation agree.
Sales managerTiffany Guan
WhatsApp+86 18030235313
ICS TRIPLEX / TRUSTED

Trusted T8000 Series Model Directory

Software, licensing, controller, interface, shield and power-supply references.

Software & Licensing

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T8082DIEC1131 Toolset Suite; Licensed to Hard Drive
T8082UIEC1131 Toolset Suite; USB Port Dongle
T8090MLicense for SIS Workstation 1.0 MED

Controller, Interface & Power Modules

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T8123CProcessor Interface Adaptor Module (IRIG-B and MODBUS Master)
T8151CCommunication Interface Module

Communication Adaptors, Shield & Power Modules

T8153CCommunication Interface Adaptor Module
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Exact-match links open existing Nordwel product pages. Reference-only models remain unlinked until a matching product page is published.
ICS TRIPLEX / I/O CABLES

Companion-Slot to FTA Cable Selection

Internal cable references for 40-channel input and output connections to field termination assemblies.

INPUT · 40 CHANNEL
TC-201-02-2M5

I/O Companion Slot to FTA · 2.5 m

INPUT · 40 CHANNEL
TC-201-02-4M5

I/O Companion Slot to FTA · 4.5 m

INPUT · 40 CHANNEL
TC-201-02-6M5

I/O Companion Slot to FTA · 6.5 m

INPUT · 40 CHANNEL
TC-201-02-8M5

I/O Companion Slot to FTA · 8.5 m

INPUT · 40 CHANNEL
TC-201-02-10M5

I/O Companion Slot to FTA · 10.5 m

INPUT · 40 CHANNEL
TC-201-02-12M5

I/O Companion Slot to FTA · 12.5 m

OUTPUT · 40 CHANNEL
TC-205-02-4M5

I/O Companion Slot to FTA · 4.5 m

OUTPUT · 40 CHANNEL
TC-205-02-6M5

I/O Companion Slot to FTA · 6.5 m

OUTPUT · 40 CHANNEL
TC-205-02-8M5

I/O Companion Slot to FTA · 8.5 m

Exact-match links open existing Nordwel product pages. Confirm channel direction, cable length and FTA compatibility before quotation.
Bently Nevada 3500/32M support

Applications & Why Choose Nordwel

Engineering uses of 3500/32M 125720-02 within the matched monitoring installation.

Application areas

01Hazardous-area relay interfacesProvide the rear relay contact interface in an installation that maintains the applicable approval conditions.
02Functional-safety alarm outputsSupport the designated relay-output role within a validated safety-system configuration.
03Low-voltage plant annunciationSwitch approved alarm circuits without applying the higher standard-system voltage figures.
04Relay-state proof testingCheck contact operation and plant indication against the specified normal-state philosophy.

Why choose Nordwel

Configuration-aware supportReview the component identity, fitted interfaces and installed monitoring arrangement before quotation.
Fast quotationConfirm pricing, availability and lead time against current Nordwel business records.
Worldwide coordinationSupport destination, freight, packing and shipment-tracking requirements.
Dedicated sales contactWork directly with an assigned contact for pre-order clarification and order follow-up.
Final selection depends on the complete ordering identity, hardware revision, connected interfaces and installed configuration.
Need help matching 3500/32M 125720-02 to your installation?CONTACT SALES
Need a hard-to-find industrial spare?Send the complete model, manufacturer, quantity and equipment nameplate. Nordwel will cross-check the exact brand, revision, electrical interface and mechanical configuration before quotation.
CROSS-BRAND MODEL SUPPORT

Industrial Spare Parts Reference

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No exact Nordwel product pages were found for this reference list. Final supply must be confirmed from the manufacturer nameplate, complete ordering code and installed-system context.
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