Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model | 133442-01 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | -24V DC Power Supply Module |
| Output Voltage | -24V DC |
| Output Current | 6.0A (Maximum) |
| Output Power | 144W |
| Input Voltage (AC) | 90-264V AC, 47-63Hz |
| Input Voltage (DC) | 100-300V DC |
| Efficiency | ≥80% |
| Redundancy Support | 1:1 or N+1 Parallel Redundancy with Auto Load Sharing |
| Protection Features | Overvoltage (OVP), Overcurrent (OCP), Short Circuit (SCP), Overtemperature (OTP) |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Mounting | 3300 XL 8-Slot Rack Dedicated Slot (Slot 1 or 2) |
| Cooling | Natural Convection with Rack Auxiliary Forced Air |
| Ingress Protection | IP20 |
| Hot-Swap Support | Yes (in Redundant Configuration) |
| Status Indicators | Power OK (Green), Fault (Red) |
| Compatibility | Bently Nevada 3300 XL 8-Slot Rack System |
Main Features and Advantages
Superior Reliability and Redundancy: The BENTLY 133442-01 is engineered for maximum system availability, supporting 1:1 or N+1 parallel redundant configurations with automatic load sharing. In critical turbine and compressor monitoring applications, two BENTLY 133442-01 modules are typically installed in the first two slots of the rack, ensuring seamless power transfer if one module fails. This redundancy guarantees that the monitoring system never loses power, preserving data integrity and continuous protection for valuable rotating equipment. The high MTBF (Mean Time Between Failures) and rugged construction ensure long-term stable operation in demanding industrial environments.
Specialized -24V DC Output: Unlike standard power supplies, the BENTLY 133442-01 provides a dedicated -24V DC output that is specifically required by Bently Nevada 3300 XL series eddy current proximity probes and monitoring cards. This specialized power delivery ensures optimal performance of vibration and displacement sensors by maintaining the correct bias voltage, resulting in accurate, noise-free measurement data essential for effective predictive maintenance. The ultra-low ripple and noise characteristics of the BENTLY 133442-01 prevent power supply interference from compromising measurement accuracy, a critical factor in vibration analysis applications where signal integrity is paramount.
Hot-Swap Capability and Ease of Maintenance: The BENTLY 133442-01 supports true hot-swap operation when configured in a redundant system, allowing maintenance personnel to replace a faulty power module without shutting down the monitoring system or interrupting data collection. This feature is invaluable in continuous process industries where unplanned downtime carries significant financial penalties. The front panel provides clear visual status indication through Power OK (green) and Fault (red) LEDs, enabling rapid diagnostics and reducing mean time to repair (MTTR). The modular design of the BENTLY 133442-01 facilitates straightforward installation and replacement, minimizing maintenance complexity.
Wide Input Range and Comprehensive Protection: The BENTLY 133442-01 accommodates both AC (90-264V) and DC (100-300V) input sources, ensuring compatibility with diverse industrial power infrastructures worldwide. The module incorporates comprehensive protection circuitry including overvoltage, overcurrent, short circuit, and overtemperature protection, safeguarding both the power supply and the valuable monitoring cards it serves from electrical anomalies. This robust protection, combined with wide operating temperature range (0-70°C) and EMI immunity, makes the BENTLY 133442-01 a dependable power solution for harsh industrial environments. Whether deployed in power plants, refineries, or offshore platforms, the BENTLY 133442-01 delivers consistent, reliable power that forms the foundation of effective machinery protection systems.
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