Bently Nevada 3500/40M 135489-04 Proximitor I/O Module with Internal Barriers and Internal Terminations135489 04 I O Module With Internal Barriers and Internal Terminations by Bently Nevada The 135489 04 is an I O Module with internal barriers and internal terminations, manufactured by Bently Nevada. Designed for reliable industrial use, this module is made in the USA and supports seamless integration into control systems. It also comes with the option to include a Certificate of Origin (COO) upon request. Specifications: Manufacturer: Bently Nevada