Bently Nevada 125800-02 Isolated Keyphasor I/O Module

Availability: 4 left in stock

DescriptionThe Bently Nevada 125800-02 is an Isolated Keyphasor I/O module engineered for the 3500 Series machinery protection platform. This component...

SKU: 125800-02

Manufacturer: Bently Nevada
Product No.: 125800-02
Product Type: I/O Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Bently Nevada 125800-02 is an Isolated Keyphasor I/O module engineered for the 3500 Series machinery protection platform. This component serves as the rear-mounted interface responsible for distributing Keyphasor signals, which are vital for establishing precise phase reference and speed measurements in rotating machinery. By providing electrical isolation between the field inputs and the internal monitoring system, the 125800-02 minimizes ground loop interference and enhances the overall integrity of vibration analysis data in demanding industrial settings.

Features

Designed specifically for integration with 3500 Series Keyphasor monitor modules.
Provides essential electrical isolation for signal distribution to maintain measurement accuracy.
Supports redundant configurations, including Triple Modular Redundant (TMR) setups, to increase system fault tolerance.
Rear-rack mounting design facilitates efficient cabling management within the 3500 rack.
Engineered for high-reliability performance in critical monitoring applications.

Applications

This module is widely utilized in industrial facilities where high-speed rotating equipment requires continuous monitoring. Typical deployments include:

Steam and gas turbines
Centrifugal and reciprocating compressors
Large industrial pumps and fans
Power generation and petrochemical processing plants

Technical Specifications

Model	125800-02
Brand	Bently Nevada
Operating Temperature	-40 to +85 deg C
Power Requirements	24 VDC nominal (supplied via 3500 rack)
Function	Isolated Keyphasor Signal Distribution
Compatibility	Bently Nevada 3500 Series Systems

Installation Guidelines

Ensure the 3500 rack is powered down before inserting or removing the I/O module to prevent electrical damage.
The module is designed for installation in the rear of the 3500 rack; ensure the mating connectors are aligned properly before seating.
Use appropriate ESD protection when handling the module to prevent damage to sensitive internal circuitry.
Verify that all signal cables are properly shielded and routed away from high-voltage AC lines to prevent EMI-induced signal degradation.
Ensure the module is fully seated and the retention screws are tightened to maintain a secure ground connection to the rack backplane.

FAQ

Is the 125800-02 compatible with all 3500 Series racks?
Yes, this I/O module is designed to fit the standard rear slot footprint of the Bently Nevada 3500 Series monitoring system.

Does this module require external power?
No, the module receives its nominal 24 VDC power directly from the 3500 rack backplane once installed.

Can this module be used in a TMR configuration?
Yes, the 125800-02 supports redundant input configurations, making it suitable for high-availability systems requiring TMR operation.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.