Bently Nevada 289761-01 – Rear I/O Termination Module for 3500 Series Monitoring Racks

The Bently Nevada 289761-01 is a rear I/O termination module used with 3500 series monitors to land field wiring and route signals through the rack backplane to the paired front‑side card. From my experience, this is the piece that keeps cabinet work clean and predictable—clear terminal labeling, proper shield/earth points, and no need to pull the front monitor just to re‑land a wire. You might notice that this approach typically shortens outage tasks and reduces nuisance alarms caused by loose or misrouted leads.

Company’s Order Placement Process and Guarantees

• Warranty period: 365 days
• Delivery time: 1 week for in-stock; no more than 1 month at the latest
• Payment method: 50% advance payment; full payment for delivery
• Express delivery methods: FedEx, UPS, DHL

Key Features

• Native 3500 integration – Mates to the corresponding front monitor via the rack backplane, preserving channel order and labeling.
• Clean terminations – Labeled screw terminals and test points (where provided) make loop checks faster and less error‑prone.
• Shield/earth provisions – Helps maintain signal integrity for low‑level transducer wiring in mixed‑energy panels.
• Passive design – No external power required; simpler, more reliable service in most cases.
• Swap‑friendly layout – Rear access typically allows replacement without disturbing the front monitor card.

Technical Specifications

Values below reflect common characteristics for Bently Nevada 3500 rear I/O modules. If you share the front monitor part number and rack slot, we’ll confirm the exact pairing for 289761-01 before shipment.

Application Fields

• Centrifugal compressors, turbines, and critical pumps using 3500 monitoring
• Balance‑of‑plant assets tied into a 3500 rack for alarms, trips, and trending
• Retrofits where keeping probe runs and existing cabinet wiring intact is a priority
• Sites standardizing on 3500 modules to simplify spares and maintenance practices

Advantages & Value

• Reliability – Passive terminations with clear legends reduce wiring mistakes and intermittent faults.
• Compatibility – Purpose‑built for the 3500 ecosystem; in many cases it’s a like‑for‑like swap.
• Maintenance efficiency – Rear access shortens service windows and makes loop checks more predictable.
• Procurement assurance – Traceable parts and a 365‑day warranty support critical spares planning.

Installation & Maintenance

• Rack alignment – Mount behind the correct front monitor slot; seat connectors and tighten captive screws evenly.
• Wiring discipline – Land transducer leads and shields per the wiring diagram; segregate from high‑EMI conductors.
• Grounding – Follow the single‑point grounding scheme; use provided shield/earth points to avoid loops.
• ESD handling – Treat as ESD‑sensitive; use a grounded wrist strap during changeout.
• Routine checks – Re‑torque terminals, inspect insulation, and verify channel health in your monitoring software during PMs.

Quality & Certifications

• CE and RoHS compliance (typical for Bently Nevada rack components)
• UL/cUL suitability for industrial control panels, model dependent
• Manufacturer’s warranty: 12 months from shipment

Share your front monitor part number (3500/xx), rack revision, and transducer types, and we’ll confirm that 289761-01 is the correct rear I/O for your slot so the changeout is quick and uneventful.