Products Description
The Bently Nevada 81545-01 Relay Board is a key component in the Bently Nevada 3500 Series machinery protection and condition monitoring systems. This relay board enables efficient control and monitoring by providing relay-based outputs, such as alarms or shutdown signals, based on input data from connected vibration, proximity, and temperature sensors. It plays a crucial role in safeguarding critical machinery, ensuring the continuous operation of industrial systems.
Designed for rugged industrial environments, the 81545-01 Relay Board helps detect issues such as vibration anomalies, misalignment, or overheating in rotating machinery, triggering appropriate actions to prevent damage and reduce maintenance costs.
Contact Us
For further information about this product or other products, please contact us through the following methods:
Our address
32D, Hubin South Road No.388, Xiamen 361009, Fujian, China
Phone Number

Technical Specifications
| Parameter | Description |
|---|---|
| Product Model | 81545-01 Relay Board |
| Series Compatibility | Bently Nevada 3500 Series |
| Relay Outputs | 8 Form-C Relays |
| Power Supply | 24V DC |
| Relay Contact Rating | 2A @ 30V DC |
| Input Signal Type | Processed signals from vibration, proximity, or temperature sensors |
| Mounting | DIN Rail Mountable |
| Operating Temperature Range | -40°C to +70°C |
| Dimensions (L x W x H) | 150 mm x 120 mm x 45 mm |
| Weight | 0.5 kg (Approx.) |
| Protection | Overcurrent, overvoltage, and thermal protection |
| Status Indication | LED indicators for relay status |
| Certification | CE, UL Certified |
| Application | Used for alarm and shutdown control in 3500 Series machinery protection systems |
Key Features

Relay-Based Control: Provides relay outputs for alarm and shutdown functions based on sensor inputs.
Enhanced Safety: Integrates with Bently Nevada 3500 Series monitoring systems for machinery protection and early fault detection.
Industrial Durability: Built to withstand harsh operating conditions, ensuring long-lasting reliability.
Easy Integration: Seamlessly integrates with other 3500 Series modules, simplifying installation and setup.
Versatile Applications: Ideal for use in industries like power generation, oil and gas, and manufacturing.
Typical Applications
Machinery Protection: Detects faults such as excessive vibration or temperature rises in machinery, triggering alarms or shutdowns to prevent damage.
Condition Monitoring: Works with Bently Nevada's 3500 Series sensors to provide comprehensive machinery health data.
Industrial Use: Perfect for industries with critical rotating equipment such as power plants, oil rigs, refineries, and manufacturing facilities.
Alarm and Shutdown: Provides relay outputs for initiating protective actions based on real-time data from various sensors.

Why Choose the Bently Nevada 81545-01 Relay Board?
Reliable Control: Ensures the safe operation of machinery by triggering alarms and shutdowns based on real-time sensor data.
Seamless Integration: Fully compatible with Bently Nevada 3500 Series monitoring systems for easy setup and expansion.
Durability: Designed for use in harsh industrial environments, withstanding extreme temperatures and providing long-term reliability.
Enhanced Safety: Helps detect early signs of equipment failure, preventing costly downtime and ensuring operational safety.
Cost-Effective: By enabling early detection and providing automatic control responses, it helps reduce maintenance costs and extend the lifespan of machinery.
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