Introduction
When industrial operations demand stable and reliable power for critical monitoring systems, the Bently Nevada 129486-01 Legacy High Voltage DC Power Supply Module delivers consistent performance. This module is engineered to convert high voltage DC input into regulated power for Bently Nevada 3500 series racks, ensuring uninterrupted operation of vibration monitoring and protection equipment.
Technical Specifications Breakdown
The Bently Nevada 129486-01 operates with an input voltage range of 88 to 140 Vdc, making it suitable for high voltage DC environments. Its maximum full rack current draw is 2.5 A, providing sufficient power for a fully loaded rack. The module is designed to withstand harsh conditions, with an operating temperature range of -30 °C to +65 °C and storage temperature from -40 °C to +85 °C. Humidity tolerance is up to 95%, non-condensing, ensuring reliability in damp environments.
Physical dimensions are 120.7 mm x 50.8 mm x 251.5 mm (4.75 in x 2.0 in x 9.9 in), and it weighs 1.39 kg (3.06 lb). The module occupies two half-height slots on the left side of the rack, allowing for redundant power supply configurations.
Industry Applications
In industries such as oil and gas, power generation, and heavy manufacturing, the 129486-01 provides essential power for Bently Nevada 3500 series monitoring systems. For example, in a turbine protection setup, this module ensures continuous operation of vibration sensors and alarm relays, even in high voltage DC environments. Its wide operating temperature range makes it suitable for outdoor or unheated enclosures.
Installation & Setup Guidance
Mount the Bently Nevada 129486-01 into two half-height slots on the left side of the 3500 rack. Ensure the input voltage is within the 88 to 140 Vdc range and that the power supply is securely latched. For redundant configurations, install a second power supply in the adjacent slot. No minimum rack load is required, simplifying initial setup. Verify the Supply OK LED illuminates after power-up to confirm proper operation.
Maintenance & Reliability
Regular inspection of the power supply module is recommended to ensure long-term reliability. Check the Supply OK LED periodically; if it extinguishes, investigate potential over-voltage conditions. The module includes over-voltage protection that opens the fuse on the Power Input Module (PIM) to prevent damage. Keep the ambient temperature within the -30 °C to +65 °C range and humidity below 95% non-condensing to maximize service life.
Selection Guide & Purchasing Advice
Before purchasing the Bently Nevada 129486-01, verify that your rack system is a Bently Nevada 3500 series and that you have two half-height slots available. Confirm your input power source provides 88 to 140 Vdc. For redundant power needs, order two modules. SpareTechPLC offers this legacy module with verified authenticity and fast shipping. Contact our team to confirm current lifecycle status and availability before ordering.
Frequently Asked Questions
Q1: What is the input voltage range for the Bently Nevada 129486-01?
A1: The input voltage range is 88 to 140 Vdc.
Q2: Can I use two 129486-01 modules for redundancy?
A2: Yes, the rack has two half-height slots that can each hold one power supply, allowing redundant operation.
Q3: What does the Supply OK LED indicate?
A3: The Supply OK LED illuminates when the power supply is operating properly.
Q4: What happens if an over-voltage occurs?
A4: An over-voltage condition causes the fuse to open on the Power Input Module (PIM), protecting the system.
Q5: What are the storage temperature limits?
A5: Storage temperature range is -40 °C to +85 °C.
