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Bently Nevada 3500/65 172115-01 RTD/TC External Termination Block

Bently Nevada 3500/65 172115-01 RTD/TC External Termination Block

Product Description

The 172115-01 (associated with the 3500/65 monitor series) is a high-density External Termination Block (ETB) designed for interfacing field sensors with the Bently Nevada 3500 Machinery Protection System....

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Availability: Low stock: 10 left

SKU: 3500/65 172115-01
Vendor: Bently Nevada
Category: RTD/TC External Termination Block
Related Series:

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Product Description

The 172115-01 (associated with the 3500/65 monitor series) is a high-density External Termination Block (ETB) designed for interfacing field sensors with the Bently Nevada 3500 Machinery Protection System. This ruggedized component features Euro-style terminal connectors specifically engineered to terminate up to 16 channels of Resistance Temperature Detectors (RTDs) or Isolated Tip Thermocouples (TCs). It acts as a bridge between the physical field wiring and the internal rack monitoring electronics, ensuring signal integrity in electrically noisy industrial environments.

Technical Specifications

Specification Details
Interface Capacity 16 discrete input channels for temperature sensors
Compatible Sensor Types 3-wire RTDs and Isolated Tip Thermocouples
Input Impedance >1 MΩ per channel to minimize signal attenuation
Common Mode Voltage 250V RMS maximum protection
Connection Interface High-reliability Euro-style screw terminals
Operational Temperature -40°C to +85°C 

Engineering Application

The 172115-01 is utilized when high-density temperature monitoring (such as motor stator windings or multi-point bearing metal temperatures) is required. By moving the termination points away from the back of the rack, this external block simplifies wiring management and allows for more efficient maintenance and troubleshooting of thermal sensors in rotating machinery.

Engineering FAQ

Q: Does the 172115-01 support grounded thermocouples?
A: No, this termination block is specifically designed for Isolated Tip Thermocouples to prevent ground loops. If grounded thermocouples are used, signal interference or measurement errors may occur due to the 250V RMS common mode limits.