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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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The Bently Nevada 3500/40M (135489-04) is a Proximitor I/O Module with internal safety barriers and internal terminals, designed for use within the 3500 Machinery Protection System.
This module is engineered for hazardous and safety-critical environments, where intrinsic safety is required. By integrating internal barriers, it ensures that signal transmission from proximity probes remains safe while maintaining accurate measurement and system reliability.
It is an ideal solution for applications requiring both high-performance monitoring and built-in safety protection.
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/40M |
| Part Number | 135489-04 |
| Product Type | Proximitor I/O Module with Internal Barriers |
| System Compatibility | 3500 Machinery Protection System |
| Input Type | Proximity probe signals |
| Channels | Multi-channel input (up to 4 channels) |
| Signal Type | Vibration and displacement |
| Safety Feature | Internal safety barriers (intrinsic safety) |
| Transducer Supply | -24 VDC |
| Output Impedance | 550 Ω |
| Dimensions | 241.3 × 24.4 × 163.1 mm |
| Weight | 0.46 kg |
| Terminal Type | Internal terminals |
| Mounting | Rack-mounted |
| Operating Environment | Hazardous / industrial environments |
The key feature of this module is its integrated internal safety barrier design.
This ensures safe operation in explosive or high-risk environments while maintaining precise monitoring performance.
The internal barrier design provides critical protection in hazardous areas.
This makes the module suitable for environments where safety compliance is mandatory.
The Bently Nevada 3500/40M (135489-04) is widely used in industries requiring intrinsic safety:
It is particularly suited for:
The module is designed for integration within the 3500 system rack.
Proper installation ensures both safe operation and optimal performance.
This module integrates seamlessly with:
It forms part of a complete machinery protection system.
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 125680-01 | Internal Terminal I/O | Compact design | Standard environments |
| 126615-01 | External Terminal I/O | Easy access wiring | Maintenance systems |
| 149716-01 | TMR I/O Module | Triple redundancy | High-reliability systems |
| 140734-01 | Monitor Module | Signal processing | Monitoring applications |
| 3500/42M | Vibration Monitor | Advanced diagnostics | Complex machinery |
What makes this module different?
It includes internal safety barriers, making it suitable for hazardous environments.
Do I need external safety barriers?
No, the barriers are built into the module.
What type of signals does it process?
It processes proximity probe signals for vibration and displacement monitoring.
The Bently Nevada 3500/40M (135489-04) Proximitor I/O Module is a high-reliability, safety-focused solution designed for hazardous industrial environments. With integrated internal barriers and a robust internal terminal design, it ensures both safe operation and accurate monitoring within the 3500 system.
For industries requiring intrinsic safety and dependable performance, this module provides a powerful and compliant monitoring interface.