Bently Nevada 78462-01 3300 Relay Module -Conformal Coated

Product Summary

The Bently Nevada 78462-01 is a 3300 Series Relay Module designed for continuous, online machinery protection and condition monitoring. Operating within the modular 3300 Series architecture, this module processes pulse speed, 4-20 mA vibration, and analog position inputs to drive crucial relay and analog outputs for automatic alarms, shutdown control, and external data transmission in compliance with API 670 standards.

Core Specifications

• Model Number: 78462-01
• Product Type: 3300 Series Relay Module (Conformal Coated)
• System Compatibility: Bently Nevada 3300 Series Monitoring System Chassis
• Input Signal Types: Pulse (Speed), 4-20 mA (Vibration), Analog (Position)
• Output Configuration: Programmable electromechanical relay contacts for Alert/Danger alarms
• Agency Approval Option: 01 (Required Hazardous Area Approvals)
• Module Weight: 0.55 kg (1.21 lbs)

Functional Features

• Conformal Coating: Factory-applied protective coating protects internal circuitry from moisture, dust, and airborne chemical contaminants in harsh industrial environments
• Machinery Protection: Implements hardwired, real-time trip logic for critical rotating machinery including pumps, compressors, and turbines
• Continuous Online Monitoring: Provides uninterrupted evaluation of process variables including temperature, pressure, overspeed, and structural vibration
• Modular Architecture: Integrates directly into standard 3300 series instrument racks alongside power supplies and system monitors

Installation & Environmental Limits

• Operating Temperature: -10°C to +60°C (+14°F to +140°F)
• Storage Temperature Range: -40°C to +85°C (-40°F to +185°F)
• Mounting Location: Installs into a dedicated slot within a 3300 modular instrument rack
• Field Wiring Connections: Terminations are made via the associated rear terminal I/O board configuration