Product Overview

The Bently Nevada 3300/53 is a sophisticated Triple Modular Redundant (TMR) Overspeed Protection System module designed for the critical protection of rotating machinery. As a core component of the 3300 monitoring system, the 3300/53 provides high-integrity safety functions, ensuring that turbines, compressors, and expanders are shut down safely in the event of an overspeed condition. This module is engineered to meet Safety Integrity Level 3 (SIL 3) requirements, making it a vital asset for facilities where safety and reliability are paramount. By utilizing TMR architecture, the 3300/53 continuously compares signals from three independent channels to detect faults and determine the correct trip status, significantly reducing the probability of both spurious trips and dangerous failures.

The specific configuration 3300/53-03-01-00-50-06-01-00-00 indicates a highly customized unit tailored for specific industrial applications. This part number breakdown suggests the module is equipped with specific input sensitivity (likely for magnetic or proximity probes), a defined number of relay outputs, and crucially, the -06 suffix which typically denotes the inclusion of external termination boards or cabling options for easier installation and maintenance. The Bently Nevada 3300/53 integrates seamlessly into the 19-inch rack system, communicating with other system monitors via the I/O bus. Its robust design ensures that even in harsh industrial environments, the 3300/53 maintains operational continuity, protecting expensive capital equipment from catastrophic damage due to mechanical overspeed.

Technical Specifications

Product Model | 3300/53-03-01-00-50-06-01-00-00

Manufacturer | Bently Nevada

Product Type | TMR Overspeed Protection Module

Series | 3300 Monitoring System

Redundancy Architecture | Triple Modular Redundant (TMR)

Safety Integrity Level | SIL 3 (IEC 61508)

Input Signal Type | Magnetic Pickup or Proximity Probe (Configurable)

Input Voltage Range | -25 Vdc to +25 Vdc (Typical)

Frequency Range | 1 Hz to 20.000 Hz

Relay Outputs | 3 Independent Relay Channels

Response Time | < 10 ms (Typical Trip Time)

Operating Temperature | -30°C to +65°C

Mounting Style | 19-inch Rack Mount (3U Height)

Termination Type | External Termination (Suffix -06)