
The Bently Nevada 135489-01 is a high-safety 4-channel internal barrier I/O module designed for the 3500 series machinery protection systems. It acts as a safe signal interface between field sensors and the monitoring rack, providing signal isolation, barrier protection and signal conditioning for vibration and motion monitoring signals in hazardous industrial areas.

Each independent channel is equipped with built-in intrinsic safety barriers to prevent transient current and voltage surges from damaging system equipment. Featuring professional electromagnetic anti-interference design and compact modular structure, it supports stable signal transmission and system safety protection. Compatible with hot-swap maintenance, it ensures long-term safe and reliable operation of machinery monitoring systems in harsh and explosive industrial environments.
