Bently Nevada 350032-125720-01 – 3500/32 Relay Module with 125720-01 Rear I/O Plate for Alarm/Trip Contacts

The Bently Nevada 350032-125720-01 denotes a 3500/32 relay module paired with its matching rear termination plate 125720-01. From my experience, this is the clean, rack-native way to expose 3500 alarm and status points as dry contacts to your DCS, ESD, or annunciator panel. You might notice that sticking with the OEM rear I/O keeps cabinet wiring tidy and repeatable—especially helpful when you’re under time pressure during a turnaround.

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

• Rack‑level alarm contacts – Maps 3500 rack events (Alert, Danger, Not OK, and system status) to dry‑contact outputs your DCS/ESD can read.
• Matched rear I/O plate (125720‑01) – Clearly labeled screw terminals and earth points make loop checks faster and less error‑prone.
• Configurable behavior – Supports typical relay setup options such as latching/non‑latching and N.O./N.C. selection in the 3500 configuration.
• Backplane powered – No extra PSU wiring; the module draws power and status over the 3500 backplane.
• Service‑friendly design – Front plug‑in module with rear terminations usually means quick swap‑outs without disturbing adjacent cards.

Technical Specifications

These values reflect what you typically see for a 3500/32 paired with rear I/O 125720‑01. If you share your rack option string and relay mapping, we’ll validate details before shipment.

Application Fields

• Compressor, turbine, and large motor trains where relay contacts drive trips/interlocks
• Balance‑of‑plant assets requiring discrete alarm outputs to DCS or annunciators
• Retrofits keeping existing cabinet wiring while refreshing relay hardware
• Sites standardizing on 3500 racks for consistent alarm logic and maintenance practices

Advantages & Value

• Reliability – Purpose‑built, rack‑native relays reduce ad‑hoc wiring and nuisance trips.
• Compatibility – Direct fit in the 3500 ecosystem; in many cases a like‑for‑like swap.
• Faster maintenance – Labeled rear terminations make loop checks and function tests quicker.
• Procurement assurance – Stable lead times and a 365‑day warranty support shutdown planning.

Installation & Maintenance

• Mounting – Seat the front module firmly in the 3500/05 chassis; secure the 125720‑01 plate with captive screws.
• Wiring – Land relay outputs per drawings; segregate relay cabling from low‑level transducer wiring.
• Grounding – Bond the rack using single‑point practice; use rear plate earth points to avoid loops.
• Commissioning – Confirm alarm mapping and relay behavior (latching, N.O./N.C.); prove contact action at the DCS/ESD.
• Routine care – Re‑torque terminals during PMs, inspect insulation, and check module status indicators.

Quality & Certifications

• CE and RoHS compliance (typical for Bently Nevada 3500 components)
• UL/cUL suitability for industrial control panels, model dependent
• Manufacturer’s warranty: 12 months from shipment

If you share your rack option string and the exact alarm mapping you want to implement, we’ll double‑check the 350032 + 125720‑01 match and ship to fit your maintenance window.