Introduction

The Bently Nevada 3500/33M 149986-01 16-Channel Relay Module is purpose-built for large-scale machinery protection systems requiring multiple control outputs. By consolidating sixteen relay channels into a single module, it simplifies system architecture without compromising reliability.

Technical Specifications

Parameter	Description
Model	3500/33M 149986-01
Module Type	16-Channel Relay Module
Dimensions	241 × 24.4 × 242 mm
Weight	Approx. 0.7 kg
Mounting Method	Rack-mounted in 3500 Series systems
Application Environment	Machinery protection and industrial control

Recommended Related Models

For complete and scalable machinery monitoring solutions, the following Bently Nevada modules are frequently used alongside the 3500/33M.

Bently Nevada 3500/45 Reciprocating Rod Position Monitor
Bently Nevada 3500/77 Cylinder Pressure Input/Output Module
Bently Nevada 3500/25 Key Phase Input/Output Module
Bently Nevada 3500/32M 4-Channel Relay Module

Popular Related Models

These Bently Nevada components are commonly selected for high-channel-count relay control and machinery protection applications.

Bently Nevada 3500/33M 149986-01 16-Channel Relay Module
Bently Nevada 3500/32M 125712-01 4-Channel Relay Module
Bently Nevada 3500/32 149986-02 4-Channel Relay Control Module
Bently Nevada 330104-01-08-50-01-CN 3300 XL Proximity Probe

Applications

The Bently Nevada 3500/33M 16-Channel Relay Module is engineered for complex machinery protection strategies where multiple alarm and shutdown outputs are required. With high channel density in a compact footprint, it supports centralized control logic for large-scale rotating equipment systems.

Multi-point alarm and shutdown control in Bently Nevada 3500 Series systems
Centralized relay management for turbines, compressors, and generators
Protection logic execution for large rotating machinery trains
Industrial automation in power generation, oil & gas, and petrochemical facilities
Applications demanding high relay channel density with proven reliability

Advantages

Designed for scalability and operational confidence, this module delivers exceptional control capability while maintaining system simplicity and robustness.

Sixteen independent relay channels in a single module
High-density design reduces rack space and system complexity
Reliable relay actuation for alarms, trips, and interlocks
Seamless integration with the Bently Nevada 3500 Series platform
Industrial-grade construction for continuous, long-term operation

Technical FAQs

What is the primary function of the 3500/33M module?
It provides 16 relay outputs for alarm, shutdown, and interlock control.
Why choose a 16-channel relay module?
It supports complex protection logic while minimizing rack space usage.
Is the module suitable for safety-critical applications?
Yes, it is widely used in machinery protection and shutdown systems.
Can it operate continuously in industrial environments?
Yes, it is designed for 24/7 reliable operation.
What equipment typically connects to these relay outputs?
Alarm systems, trip circuits, shutdown solenoids, and interlocks.
How is the module installed?
It installs directly into a Bently Nevada 3500 Series rack.
What are the physical dimensions and weight?
241 × 24.4 × 242 mm with an approximate weight of 0.7 kg.
Does it require specialized configuration tools?
Standard 3500 Series configuration software is used.
Is routine maintenance required?
Maintenance is minimal, typically limited to periodic inspections.
Can it be deployed in harsh industrial conditions?
Yes, it is engineered to withstand vibration, temperature variation, and demanding environments.