My Cart
0 items
Genuine Automation Parts | Worldwide Express Delivery | 12-Month Warranty — [GET A QUOTE]
The 3500/54M (286566-01) is a high-performance safety and protection module designed for the 3500 Machinery Protection System developed by Bently Nevada. This module provides ultra-fast overspeed detection and emergency shutdown protection for...
Availability: Low stock: 10 left
Reliable Worldwide Delivery
30-Day Money-Back Guarantee
Need more details? Read our fullShipping PolicyandRefund Policy.
The 3500/54M (286566-01) is a high-performance safety and protection module designed for the 3500 Machinery Protection System developed by Bently Nevada. This module provides ultra-fast overspeed detection and emergency shutdown protection for high-speed rotating machinery such as steam turbines, gas turbines, and centrifugal compressors.
Unlike standard tachometer modules, the 3500/54M is engineered with redundant internal safety logic to ensure overspeed events are detected and acted upon within milliseconds, minimizing the risk of catastrophic rotor mechanical failure.
The module continuously processes pulse frequency signals from speed transducers (such as proximity probes or magnetic pickup sensors), calculating real-time shaft rotational velocity and comparing it against configurable safety trip thresholds. Built-in diagnostic monitoring verifies sensor loop integrity, field wiring health, and internal circuit status to ensure the protection system remains continuously armed.
| Item | Specification |
|---|---|
| Model | 3500/54M |
| Ordering Number | 286566-01 |
| Input Type | High-speed pulse / frequency speed signals |
| Response Time | < 50 ms trip logic execution |
| System Integration | One full-height 3500 rack slot |
| TMR Compatibility | Supports Triple Modular Redundant safety loops |
| Dimensions | 2.2 cm × 12.4 cm × 12.6 cm |
| Weight | 1.25 kg |
| Operating Temperature | -30°C to +65°C |
The 3500/54M (286566-01) is widely deployed in safety-critical industries where uncontrolled acceleration could cause mechanical rupture, including:
Nuclear and thermal power generation turbines
Petrochemical compressor and pump trains
High-inertia mechanical drive systems
It is considered a global standard for turbine overspeed protection where SIL-rated safety logic is required.
Can the 286566-01 be used for speed control as well as protection?
No. The 3500/54M is a dedicated protection module. While it provides real-time speed data to the rack monitoring system, actual speed regulation must be handled by a separate governor or control system.
How does this module handle sensor failure?
The module uses built-in “Not OK” diagnostic logic. If a sensor or wiring fault is detected, the module immediately flags the condition to prevent false trips or undetected overspeed events, ensuring system safety integrity.
