Introduction

The Bently Nevada 3500/25 128726-01 Key Phaser External Termination Module plays a critical supporting role in precision machinery monitoring architectures. By providing a clean and reliable termination point for key phase signals, it enhances system clarity, improves maintenance efficiency, and supports accurate phase reference measurements. For facilities focused on reliability and long-term operability, this module is an essential part of a well-engineered monitoring solution.

Technical Specifications

Parameter	Description
Product Type	Key Phaser External Termination Module
System Compatibility	Bently Nevada 3500 Series
Associated I/O Module	3500/25 Key Phase Module
Function	External signal termination
Mounting	External panel or cabinet
Operating Environment	Industrial continuous-duty
Dimensions	241.3 × 24.4 × 103.1 mm
Weight	0.46 kg

Recommended Related Models

Bently Nevada 3500/25 Key Phase I/O Module
Bently Nevada 3500/22M Transient Data Interface
Bently Nevada 3500/40M Proximitor Monitor
Bently Nevada 3500/50M Tachometer Module

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Applications

The 3500/25 Key Phaser External Termination Module is designed to provide secure, organized, and reliable signal termination for key phase measurements in advanced machinery monitoring systems. Typical applications include:

Turbine and generator keyphasor signal termination
Shaft phase reference systems for rotating equipment
Speed and phase signal routing in protection systems
Machinery diagnostics cabinets requiring clean wiring layouts
Power generation, oil & gas, petrochemical, and heavy industrial facilities

Advantages

Built to complement high-performance monitoring systems, this external termination module offers both functional and operational benefits:

Dedicated termination design enhances signal stability
Improves cabinet organization and reduces wiring errors
Simplifies installation and future maintenance activities
Optimized for seamless compatibility with the 3500/25 I/O Module
Rugged industrial construction ensures long-term reliability

Technical FAQs

What is the role of the 128726-01 module?
It provides external termination for key phase signals connected to the 3500/25 system.
Is this module used independently?
No, it is designed to work in conjunction with a compatible 3500/25 Key Phase I/O Module.
Why is external termination beneficial?
It allows field wiring to be managed outside the main rack, improving safety and serviceability.
Does this module process signals?
No, it strictly handles signal termination and routing.
What types of signals does it support?
Key phase and speed reference signals from compatible sensors.
Is it suitable for high-vibration environments?
Yes, it is built for stable operation in demanding industrial conditions.
Does it affect signal accuracy?
No, it is engineered to preserve signal integrity.
Can it be easily replaced during maintenance?
Yes, the design allows straightforward replacement without disturbing rack-mounted modules.
Which industries commonly use this module?
Power generation, oil & gas, refining, mining, and heavy manufacturing.
Is it designed for continuous operation?
Yes, it supports 24/7 monitoring system requirements.