The Bently Nevada 3500/05-02-04-01-00-00 (often referenced alongside its configuration variants) serves as the compact 12-inch Mini-Rack foundation for the 3500 Machinery Protection System. This specialized chassis provides 7 available module slots, making it the premier choice for smaller machinery trains or localized monitoring where a full 19-inch rack is unnecessary. It distributes power and manages high-speed backplane communication for vibration, position, and speed monitors. We supply this unit as 100% Brand New and Original in Factory Packing, ensuring your critical assets remain protected by genuine Bently Nevada hardware.
| Option Code | Specification | Detail |
| 02 | Rack Size | 12-inch Mini-Rack (7 module slots) |
| 04 | Mounting Options | Panel Mount Option (Mini-Rack) |
| 01 | Agency Approval | CSA/NRTL/C (Class 1, Div 2) |
| 00 | Reserved | Internal System Standard |
| 00 | European Compliance | Standard Configuration |
| Attribute | Specification Value |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Series | 3500 Machinery Protection System |
| Total Slots | 7 (For monitor modules, RIM, and power supplies) |
| Rack Width | 12-inch Mini-Rack Format |
| Mounting Type | Panel Mount |
| Compliance | API 670, CE, SIL3 (System-level) |
| Wiring Access | Rear-entry I/O terminations |
| Operating Temp | -30°C to +65°C (-22°F to +150°F) |
| Shipping Weight | 2.0 kg (Chassis only) |
Space-Efficient Mini-Rack Design: The 7-slot 12-inch format solves installation challenges in cramped control rooms or small skid-mounted enclosures. It provides the full processing power of the 3500 series while occupying 40% less horizontal space than standard racks.
Rigid Panel Mounting: The 04 mounting option utilizes reinforced brackets designed for direct panel installation. This provides superior mechanical stability in high-vibration environments, ensuring the backplane remains stress-free and the modules remain securely seated.
Deterministic Fault Protection: The backplane architecture enables millisecond-level response times between detection and relay activation. This speed meets API 670 requirements, preventing catastrophic mechanical failure in high-speed turbines and compressors.
Thermal Management: The open-frame design promotes natural convection. This allows the rack to operate reliably in ambient temperatures up to 65°C without requiring dedicated forced-air cooling, reducing the total cost of ownership and maintenance.
Rear-Access Signal Integrity: By placing all I/O connections at the rear, the rack separates sensitive signal wiring from front-panel operator interactions. This reduces electromagnetic interference (EMI) and prevents accidental disconnection during routine inspections.
What is the difference between the Full-Size Rack and this Mini-Rack?
The Full-Size rack (Option 01) offers 14 slots for larger machinery trains. This Mini-Rack (Option 02) offers 7 slots, specifically designed for smaller applications or when panel space is at a premium. Both utilize the same 3500 series monitor modules.
Can I mount this in a standard 19-inch cabinet?
While designed as a 12-inch chassis, you can install it in a 19-inch cabinet using specialized adapter plates. However, most users select the Panel Mount (Option 04) to bolt the unit directly to the interior sub-panel of an enclosure.
Does the rack include the Rack Interface Module (RIM)?
No. The 3500/05 is the physical chassis and backplane. You must purchase the Power Supplies, Rack Interface Module, and individual Monitor Modules separately to create a functional system.
Is this unit compatible with SIL3 safety loops?
Yes. The 3500 system is certified for use in SIL3 applications. Ensure that all modules installed within this rack also carry the necessary safety certifications and that you follow the redundant power supply requirements.
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