Bently Nevada 149986-01 Relay Module

Feature & Principle

It is Bently Nevada 3500/33 16-channel relay module for 3500 machinery protection system. It receives alarm logic signals from the monitor rack and drives SPDT dry relay contacts to send trip or alarm signals to external equipment. Each channel can be independently configured with AND/OR voting logic. It adopts hot-swappable full-height rack structure and is powered by the backplane. It is widely used for turbine, compressor and large rotating equipment protection.

Specifications

Model: 149986-01 Brand: Bently Nevada Series: 3500/33 Channel: 16 relay outputs Contact type: SPDT dry contact Contact rating: 2A @ 240VAC, 2A @ 30VDC Power supply: 24VDC from rack backplane Installation: 3500 rack plug-in, hot swappable Application: Steam turbine, gas turbine, compressor TSI protection Certification: CE, UL, API670 optional

Components & Diagnostics

Main circuit board, relay array, status indicator LED, backplane connector, metal shielding housing. Common faults: relay contact burnout, channel output failure, module identification loss, poor backplane contact.

Product Brief

149986-01 relay module, Bently Nevada 3500 TSI system spare widely used for rotating machinery protection cabinet overhaul and replacement.