16925-20 Bently Nevada Interconnect Cable 3-Conductor Shielded 20ft

16925-20 Bently Nevada Interconnect Cable Overview

The 16925-20 provides high-integrity signal transmission between dynamic vibration transmitters, Proximitor sensors, and monitoring system terminal blocks.

Manufactured by Bently Nevada, this heavy-duty Interconnect Cable features a 3-conductor 22 AWG shielded design engineered to isolate critical transducer signals from industrial electromagnetic interference (EMI).

Equipped with a factory-molded 3-socket plug on one end and precision terminal lugs on the opposite end, it delivers reliable, low-attenuation point-to-point wiring for machinery protection systems.

The 20-foot (6.1 m) length ensures low signal loss across standard cabinet-to-junction-box distances in power generation, petrochemical, and industrial manufacturing plants.

Configuration Breakdown & Suffix Tree Structure

Base Part Number: 16925 - 3-Conductor Shielded Transducer Interconnect Cable

• Termination Profile:
  • End A: Integrated 3-socket female connector plug
  • End B: Pre-crimped spade/ring terminal lugs
• Conductor Gauge: 22 AWG (0.5 mm²) stranded copper conductors
• Shielding Architecture: 100% coverage braid/foil shield with drain wire
• Cable Length Suffix (-20): 20 Feet (6.1 meters) total length
  • Minimum Available Range: -02 (2.0 ft / 0.6 m)
  • Maximum Available Range: -99 (99 ft / 30 m)

Technical & Physical Specifications

Brand & Manufacturer	Bently Nevada
Model Number	16925-20
Conductor Specification	3-conductor, 22 AWG (0.5 mm²) stranded wire
Shielding Type	Overall shield with continuous drain wire grounding
Connector A	3-socket molded female plug
Connector B	Insulated terminal lugs (fork/ring)
Cable Length	20 Feet (6.1 meters)
Jacket Material	Oil-resistant, flame-retardant industrial elastomer

Target Equipment & Application Environments

Interfacing Bently Nevada 3300/3500 monitoring racks with field-mounted Proximitor sensor units.

Connecting thrust and radial vibration transducers on boiler feed pumps and steam turbines.

Relaying dynamic signals from seismic velocity pickup sensors inside hazardous plant areas.

Wiring centrifugal compressor monitoring channels to intermediate terminal junction boxes.

Installation Best Practices & Signal Diagnostics

Route cable through dedicated grounded metallic conduit away from high-voltage VFD motor drives.

Ensure terminal lug screws are torqued properly to avoid high-resistance point connections.

Connect cable drain wire strictly at one grounding point to eliminate ground loop voltage spikes.

Verify raw AC/DC signal voltage at terminal lugs using an oscilloscope during commissioning.

High high-frequency noise floor readings indicate ungrounded shielding or crushed outer cable jacketing.

Commercial Terms, Shipping, & Warranty

Product Condition	100% Brand New & Original Factory Sealed
Factory Warranty	12-Month Replacement Warranty
Dispatch Standard	Express processing within 24–48 hours
Global Carrier Options	FedEx Express, UPS Worldwide, DHL Express

Global PLC Spare HUB's Insight & Field Experience

Spurious vibration trips in rotating machinery are frequently traced to faulty interconnect cabling.

Our instrumentation engineers often discover signal degradation caused by field technicians pulling cables past tight bend radiuses.

Excessive physical stress on the 22 AWG wire breaks internal drain connections, exposing the 3300 system to ground loops.

Using factory-terminated assemblies like the 16925-20 ensures low contact resistance at the 3-socket interface.

Always inspect the 3-socket connector pins for oxidation or bent pins prior to securing coupling rings in humid environments.

Selection & Buyer Guidance

Measure physical cable tray distance before ordering; avoid tight cable tension by allowing 10% slack length.

Confirm whether your receiver module requires spade terminal lugs or raw stripped ends before final mounting.

Verify that 20 feet (6.1 m) does not exceed maximum allowable loop resistance for your specific sensor model.

Check if outer armoring is needed; standard elastomer jacketing requires conduit protection in heavy foot-traffic areas.

Frequently Asked Questions (FAQ)

Question: What does the -20 suffix indicate for this cable assembly?

Answer: The -20 suffix specifies a total physical length of 20 feet (6.1 meters) from plug tip to terminal lugs.

Question: What conductor wire gauge is utilized inside this assembly?

Answer: It utilizes 3-conductor 22 AWG (0.5 mm²) stranded copper wire with full shield coverage and a drain wire.

Question: How are the conductor ends terminated opposite the 3-socket plug?

Answer: The opposite end is terminated with factory-crimped terminal lugs designed for screw terminal barrier blocks.

Question: Practical Engineering: How do I test if an installed cable assembly has an internal short or open line?

Answer: Disconnect both ends. Use a digital multimeter to measure resistance pin-to-pin (should read open circuit) and pin-to-lug (should read near 0 ohms). Resistance above 2 ohms indicates conductor fatigue or bad crimps.

Question: Procurement Advice: Can I splice two shorter cables together if 20 feet is insufficient for field routing?

Answer: Field splicing transducer cables is strongly discouraged. In-line terminal blocks break shield continuity, introducing EMI noise into your vibration monitor. Order a longer factory assembly (up to -99 feet) instead.

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