Product Introduction: 3500/15-03-03-00
The 3500/15-03-03-00 is a Power Supply Module for the Bently Nevada 3500 Machinery Protection System. It is a specific hardware configuration variant, identified by the "-03-03-00" suffix, which denotes its input voltage and output power options. This module is responsible for converting the plant's main AC or DC power supply into clean, regulated, and redundant DC power for all the monitoring and relay modules within a 3500 rack frame. Its primary purpose is to ensure the continuous, reliable, and fault-tolerant operation of the critical machinery protection system, even in the event of a primary power source failure.
Key Parameters & Specifications
The following table summarizes the critical parameters of the 3500/15-03-03-00 Power Supply Module.
| Parameter Category | Specification Details |
|---|---|
| Part Number | 3500/15-03-03-00 |
| Model/Description | 3500/15 Power Supply Module (Specific Configuration) |
| Primary Function | Provides redundant, conditioned DC power to all modules in a 3500 rack. |
| Input Voltage Range | Typically 90 to 132 VAC or 120 to 140 VDC (exact range is defined by the "-03" suffix). Consult manual for precise specification. |
| Output Voltages | +15V DC, -15V DC, and +5V DC for rack logic and analog circuits. |
| Output Power | Rated for a standard 3500 rack frame (e.g., 14-slot). The "-03" suffix often indicates a standard power rating. |
| Redundancy | Designed for hot-swappable, parallel redundant operation with a second 3500/15 power supply in the same rack. |
| Communications | Provides power supply status (OK/Fail) to the 3500 Framework via the rack backplane. |
| Status Indicators | Local LEDs for Power ON, Power OK, and Power Fail. |
| Fuse | Internally replaceable fuse for input protection. |
| Dimensions (H x W x D) | Standard 3500 series full-size module: Approximately 266 mm (10.5 in) x 55 mm (2.17 in) x 170 mm (6.70 in). Note: This is a double-height module. |
| Weight | Approximately 1.36 kg (3.0 lbs). |
| Operating Temperature | 0°C to +65°C (+32°F to +149°F). |
| Key Features | • Hot-Swappable: Can be replaced without system shutdown. • Automatic Load Sharing & Redundancy: In redundant configuration, supplies share load; if one fails, the other takes full load seamlessly. • Isolated Outputs: Protects system from ground loops and noise. • Compliance: Meets relevant safety and EMC standards for industrial use. |
Primary Application Scenarios
The 3500/15-03-03-00 is a foundational component in any installation of the Bently Nevada 3500 System, ensuring system integrity. Its applications are defined by its role in providing reliable power:
Critical Machinery Protection Systems: Installed as the primary or redundant power source in 3500 racks monitoring:
Steam Turbines & Gas Turbines
Centrifugal & Axial Compressors
Large Pumps, Fans, and Motors
Electric Generators
High-Availability/Redundant Configurations: Most critical installations use two 3500/15 modules in a single rack to create a N+1 redundant power system. This ensures zero interruption in monitoring and protection if one power supply fails or is taken offline for maintenance.
Plant Power Source Compatibility: The specific "-03" input voltage variant is selected to match the available plant control power (often 120V AC or 125V DC) in facilities such as:
Power Generation Plants (Nuclear, Fossil, Combined Cycle)
Oil & Gas Upstream/Midstream/Downstream Facilities
Petrochemical and Refining Plants
Large Industrial Manufacturing Sites
System Reliability and Safety: By providing clean, stable power, it prevents nuisance trips caused by electrical noise and ensures that vibration, speed, temperature, and other critical protection channels are always operational, safeguarding multi-million dollar assets from catastrophic damage.
Retrofit and Modernization Projects: Used to upgrade or replace power supplies in existing 3500 systems or as part of a new frame installation during a control system modernization.
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