Bently Nevada 286566-01 3500 Series Overspeed Protection

Product Overview

The Bently Nevada 286566-01 is a high-performance overspeed protection module designed to provide instantaneous, deterministic machinery protection. Operating within the industry-standard 3500 Series rack, it continuously monitors rotational speeds and compares them against highly precise, user-defined setpoints.

Technical Specifications

• Model Number: 286566-01

• System Family: Bently Nevada 3500 Series

• Input Voltage: -24 VDC

• Output Signal: Safety-rated Alarm and Danger relay triggers

• Operating Temperature: -40°C to +85°C (-40°F to +185°F)

• Humidity: 95% non-condensing

• Dimensions: 2.5 cm x 25.7 cm x 24 cm

• Weight: 0.92 kg

• Compliance: API 670 and API 612 Standards

Key Features and Engineering Advantages

• Fault-Tolerant Voting Logic: Can be configured in 2-out-of-2 or 2-out-of-3 (2oo3) voting architectures. This redundancy ensures that a single sensor or module failure will not cause a false trip or compromise the safety function.

• Millisecond Response Times: Designed for ultra-fast processing, the module can detect an overspeed condition and initiate a shutdown signal fast enough to protect turbines and compressors from catastrophic mechanical failure.

• API 670 Compliance: Meets the stringent requirements of the American Petroleum Institute (API) for machinery protection systems, making it a standard choice for the global oil, gas, and power industries.

• High Thermal Resilience: Rated for operation up to +85°C, allowing for reliable performance in hot machine rooms and unconditioned enclosures located near the turbine deck.

• Integrated Self-Diagnostics: The module continuously monitors its own health and the integrity of the connected speed sensors, alerting operators immediately if the protection loop is compromised.