Overview

The 133396-01 Bently Nevada 3500/53 Overspeed Detection I/O Module provides fast and reliable protection against overspeed conditions in rotating machinery. Designed for integration with the 3500 Series monitoring racks, it delivers accurate speed monitoring and continuous diagnostic data.

Key Features

• Rapid Overspeed Detection: Provides immediate response to overspeed conditions to protect critical machinery.

• Dual-Channel Input: Supports redundant tachometer monitoring for high reliability.

• Robust Construction: Epoxy-sealed design ensures durability in harsh industrial environments.

• Recorder Compatibility: 4–20 mA proportional output for logging or external monitoring; short circuits do not impair module function.

• Compact Rack-Mount Design: Slim form factor fits standard 3500 Series slots with minimal space usage.

Technical Specifications

• Manufacturer: Bently Nevada (Baker Hughes)

• Model: 3500/53 133396-01

• Product Type: Overspeed Detection I/O Module

• Series: 3500

• Dimensions (H x W x D): 241.3 mm × 24.4 mm × 99.1 mm (9.50 in × 0.96 in × 3.90 in)

• Weight: 0.45 kg

• Power Consumption: 8.0 W typical

• Transducer Power Supply: -24 V DC, 40 mA max

• Environmental Sealing: Epoxy-sealed

• Recorder Output: +4 to +20 mA proportional to full-scale module RPM

• Operating Temperature: -30°C to +65°C

• Storage Temperature: -40°C to +85°C

• Humidity: Up to 95% non-condensing

Applications

• Monitoring turbine, compressor, and generator speed to prevent overspeed incidents

• Redundant tachometer integration for high-reliability industrial systems

• Compatibility with 3500 Series machinery monitoring racks for full system diagnostics

FAQ

Q: Can the 133396-01 module operate in high-humidity environments?
A: Yes, it supports up to 95% non-condensing humidity and is epoxy-sealed for protection.

Q: Does a short circuit on the recorder output affect module operation?
A: No, the module continues to function normally even if the recorder output is shorted.

Q: What temperature ranges does the module support?
A: Operating range is -30°C to +65°C; storage range is -40°C to +85°C.