Description
Bently Nevada 159840-01 – Spare Module for 3500 Series Machinery Protection
The Bently Nevada 159840-01 is an original spare module used within the 3500 Series rack for critical rotating equipment protection and condition monitoring. From my experience, teams typically keep this model on the shelf to minimize downtime—swap it into the designated rack slot, complete the checks, and you’re back online fast. It seems to be a straightforward fit for plants standardizing on Bently Nevada architecture across compressors, turbines, and large motors.
Company’s Order Placement Process and Guarantees
- Warranty: 365 days
- Delivery: 1 week for in-stock items; no more than one month at the latest
- Payment: 50% advance payment; full payment prior to delivery
- Express options: FedEx, UPS, DHL
Key Features
- Designed for 3500 racks: Installs as a slide-in card, mating directly to the rack backplane—no external power wiring.
- Fast replacement in the field: In many cases, swap-out and checkout can be completed during a short outage window.
- Consistent -01 hardware revision: The -01 suffix typically indicates a standard hardware variant widely used in brownfield sites.
- Reliable plant integration: Works within the 3500 architecture for machinery protection logic, alarms, and data passthrough to gateways.
- OEM build quality: Genuine Bently Nevada assembly for long-term reliability in harsh industrial environments.
Technical Specifications
| Brand / Model | Bently Nevada / 159840-01 |
| HS Code | 9031.90 (Parts and accessories of measuring/checking instruments) |
| Power Requirements | Powered via 3500 Series rack backplane; no separate external supply |
| Dimensions & Weight | Standard 3500 plug‑in card (3U rack module form factor); lightweight module |
| Operating Temperature | Typically 0 to +65 °C (module/rack dependent) |
| Signal I/O Types | Handled via front card and associated I/O/terminal base; varies by configured function within the 3500 system |
| Communication Interfaces | Backplane interface to the 3500 rack; system data access is typically via the 3500 communication gateway |
| Installation Method | Slide-in module; secured at the rack front; connects to the backplane and associated I/O module as applicable |
Application Fields
You’ll typically see the 159840-01 used wherever a Bently Nevada 3500 rack protects critical assets:
- Oil & Gas: compressors, gas turbines, pump trains
- Petrochemical & Chemical: process pumps, blowers, extruders
- Power Generation: steam turbines, feedwater pumps, generators
- Metals, Mining & Pulp/Paper: large motors, fans, refiners, mill drives
One thing I appreciate is how seamlessly it fits into mixed-fleet plants. A maintenance lead told us they replaced a 159840-01 during a weekend outage and had the unit back in service in under 30 minutes, avoiding a Monday start-up delay.
Advantages & Value
- Reliability: OEM-grade hardware built for continuous operation in vibration-intense environments.
- Compatibility: Aligns with the 3500 Series architecture and typical plant wiring conventions.
- Lower downtime risk: Keeping a spare on hand often prevents extended shutdowns during unplanned events.
- Traceability: Serialized unit; suitable for QA documentation and maintenance records.
- Support: We assist with slot mapping, part matching, and delivery scheduling to fit your outage window.
Installation & Maintenance
- Environment: Install in a 3500 rack inside a clean, dry control cabinet with adequate ventilation and stable mains to the rack’s power supply.
- ESD handling: Use grounded wrist straps and antistatic procedures; avoid touching connector pins.
- Wiring: Verify I/O terminations, shield grounding, and channel assignment match your logic and alarm setpoints.
- Firmware/config: In most cases, align module firmware and configuration with your existing rack database before commissioning.
- Routine care: Periodic visual checks for dust, connector seating, and terminal tightness; schedule backups of configuration files.
Quality & Certifications
- Built to industrial standards commonly associated with the 3500 platform (CE, UL/CSA); RoHS applicability may vary by hardware revision.
- Manufacturer’s original quality processes; each unit is traceable by serial number.
- Our warranty: 365 days coverage from shipment date.
Note: Specifications above reflect typical characteristics for Bently Nevada 3500-series modules. For exact fit and configuration of 159840-01 in your rack, share your rack map or existing BOM and we’ll cross-check part compatibility before shipping.








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