Description
⚙️ Product Description
The Bently Nevada 3500/53 133388-01 is an Overspeed Detection Module designed for compatible Bently Nevada 3500 Machinery Protection System configurations. It supports machinery overspeed monitoring by processing rotational speed signals and detecting conditions that exceed configured trip thresholds. This type of protection is important for turbines, compressors, pumps, and other rotating machinery where excessive speed can cause equipment damage or create safety hazards. Before installation, verify the module revision, rack configuration, speed sensor inputs, trip logic, and compatibility with the existing protection system. Overspeed protection settings should be validated by qualified personnel in accordance with the equipment manufacturer’s procedures.

BENTLY 3500-53 133388-01
📋 Product Parameters
Product Datasheet
🏷️ Brand: Bently Nevada
🔢 Model: 3500/53
🆔 Part Number: 133388-01
📚 Series: 3500 Machinery Protection System
⚙️ Product Name: Overspeed Detection Module
🌍 Place of Manufacture: To be confirmed from the individual unit label
📦 Product Status: New, New Open Box, or Used — confirm actual inventory condition
📐 Dimensions: Rack-mounted module; exact dimensions depend on the applicable assembly
⚖️ Weight: Not independently verified; confirm with the supplier
🏭 Country of Origin: To be confirmed from product labeling
🔌 Power Requirements: Powered through the compatible 3500 rack; verify the system power supply requirements
🔗 Input Signals: Compatible speed-sensor signals; confirm supported sensor type and input configuration
🚨 Function: Rotational overspeed detection and protection
🛠️ Discontinued: Current production and lifecycle status require confirmation
🔧 Recommended Bently Nevada Models
The following 15 models are related to machinery protection, speed monitoring, vibration measurement, and 3500 rack components. They are not guaranteed direct replacements for the 3500/53.
- 3500/05 — System rack for compatible 3500 monitoring modules.
- 3500/15 — Rack power supply module.
- 3500/20 — Rack Interface Module for rack communication and management.
- 3500/22M — Transient Data Interface module for compatible monitoring systems.
- 3500/25 — Enhanced Keyphasor module for rotational reference signals.
- 3500/32 — Four-channel relay module for alarm and relay logic.
- 3500/33 — Sixteen-channel relay module for compatible applications.
- 3500/40M — Proximitor Monitor for proximity and position signals.
- 3500/42M — Proximitor Seismic Monitor for vibration and position monitoring.
- 3500/45 — Position Monitor for compatible machinery measurements.
- 3500/50 — Tachometer module for rotational speed monitoring.
- 3500/60 — Temperature Monitor for machinery condition monitoring.
- 3500/61 — Temperature Monitor variant for supported 3500 configurations.
- 3500/62 — Process Variable Monitor for compatible measurement applications.
- 3500/92 — Communication Gateway Module for transferring monitoring data to external systems.
⚠️ Compatibility note: Overspeed protection is a safety-critical function. Confirm the exact 3500/53 hardware revision, sensor interface, trip configuration, and approved system documentation before replacement or commissioning.




