Product Overview
The 3500/25 149369-01 is a high-performance, high-temperature power supply module from Bently Nevada, specifically designed to anchor the 3500 Machinery Protection System in extreme thermal environments. This module serves as the critical power source for 3500-series monitoring components, converting AC input into stable 24 V DC to ensure uninterrupted operation of vibration monitors, position sensors, and communication modules—even when ambient temperatures soar.
Unlike standard power supplies, 3500/25 149369-01 thrives in harsh conditions, withstanding temperatures from -10°C to 70°C, making it ideal for installations near heat-generating machinery like turbine enclosures or industrial furnaces. Its robust design minimizes voltage fluctuations, which could otherwise distort sensor data or trigger false alarms. By delivering consistent power in these challenging settings, 3500/25 149369-01 ensures that critical machinery health data remains reliable, enabling timely fault detection and preventing costly downtime in industries where temperature extremes are unavoidable.
Technical Specifications
| Parameter |
Value |
| Product Model |
3500/25 149369-01 |
| Manufacturer |
Bently Nevada (GE) |
| Product Type |
High-Temperature Power Supply Module |
| Input Voltage |
100-240 V AC, 50/60 Hz |
| Output Voltage |
24 V DC ±0.5 V |
| Total Power Output |
120 W |
| Operating Temperature Range |
-10°C to 70°C (-14°F to 158°F) |
| Number of Output Channels |
4 |
| Mounting Type |
3500 System rack-mount (1 slot) |
| Dimensions |
160 mm × 100 mm × 220 mm (W × H × D) |
| Protection Features |
Overload, short-circuit, and overvoltage protection |
| Cooling Mechanism |
Enhanced passive cooling with heat-dissipating fins |
| Compatibility |
All 3500-series modules (3500/42, 3500/50, 3500/22M, etc.) |
| Certifications |
CE, UL 508, IEC 61010-1 |
Key Features and Benefits
The 3500/25 149369-01 distinguishes itself with its exceptional thermal resilience, operating reliably in temperatures up to 70°C—far beyond the range of standard 3500 power supplies. This capability is critical for installations in turbine rooms, furnace adjacencies, or process lines where heat buildup is inevitable, ensuring power stability where other modules would fail.
Stable power delivery is another hallmark: its regulated 24 V DC output (±0.5 V) prevents voltage spikes that could compromise the accuracy of vibration or position data from 3500 sensors. Four output channels allow it to power multiple modules simultaneously, reducing cable complexity and optimizing rack space. Built-in protective mechanisms shield against overloads and short circuits, safeguarding both the module and connected equipment from electrical damage.
Seamless integration with 3500 system racks eliminates the need for adapters, simplifying installation, while heat-dissipating fins enhance passive cooling—vital for maintaining performance in tight, poorly ventilated enclosures common in industrial machinery setups. For operations where high temperatures and reliable monitoring are non-negotiable,
3500/25 149369-01 is an irreplaceable component.
Application Scenarios
The 3500/25 149369-01 excels in environments where heat challenges conventional power supplies. In coal-fired power plants, it is deployed in boiler feed pump enclosures, powering 3500 vibration modules that monitor pump shaft health. These enclosures often reach 65°C during peak operation, making the module’s high-temperature tolerance essential for avoiding power interruptions that could mask early signs of pump failure.
In petrochemical refineries, 3500/25 149369-01 supports 3500 systems near crude distillation units, where ambient temperatures regularly exceed 55°C. It ensures consistent power to proximity probes tracking compressor axial position, a critical measurement for preventing thrust bearing damage in these high-stakes environments.
Steel mills rely on 3500/25 149369-01 to power 3500 monitors on rolling mill motors, which operate in areas where radiant heat from hot steel can push temperatures to 70°C. By maintaining stable power, the module ensures that vibration data—key to detecting motor imbalance—reaches control systems without interruption, supporting continuous production.
Related Models
3500/25 149369-02 – Higher-power (180 W) variant of 3500/25 149369-01, ideal for larger 3500 systems with more modules in high-heat zones.
3500/05 125760-01 – Standard-temperature counterpart with the same channel count but limited to 0°C-60°C, compatible with the same 3500 modules.
3500/25 149368-01 – Previous generation model with basic thermal tolerance (up to 65°C), phased out but still functional with legacy 3500 racks.
3500/42 133470-01 – Vibration monitor module commonly paired with 3500/25 149369-01 in high-temperature setups.
3500/20 125760-01 – 3500 system rack that houses 3500/25 149369-01 and other monitoring components.
3500/25 149369-03 – Explosion-proof version of 3500/25 149369-01, certified for ATEX Zone 2 hazardous areas with high temperatures.
3500/92 133469-01 – Protective enclosure kit that shields 3500/25 149369-01 from dust and moisture in harsh industrial zones.
Installation and Maintenance
Installing 3500/25 149369-01 requires a 3500 system rack with an available slot, mounted in a location where ambient temperatures remain within -10°C to 70°C. The rack must be securely fastened to a rigid surface to prevent vibration-induced stress on connections. Proper grounding of the module’s chassis to the facility’s main ground bus is critical to minimize electromagnetic interference, which can disrupt power stability. Ensure 75 mm of clearance around the module to unobstruct airflow across its heat-dissipating fins.
For maintenance, inspect
3500/25 149369-01 quarterly: use compressed air to clear dust from cooling fins, check that output voltage stays within 23.5-24.5 V DC using a multimeter, and verify that all connectors are tight. Annually, test the module’s overload protection by simulating a controlled load increase (per Bently Nevada guidelines) to confirm it activates as designed. Replace the module if voltage regulation fails or if overheating occurs despite clean fins, typically every 7-9 years in continuous high-temperature operation.
Product Warranty
The 3500/25 149369-01 is covered by a one-year warranty from Xiamen Xiongba E-commerce Co., Ltd., which includes free replacement for any units found defective due to manufacturing flaws under normal operating conditions. This warranty underscores our confidence in Bently Nevada’s engineering, particularly the module’s ability to perform in extreme temperatures. Our global support team provides timely assistance with installation, troubleshooting, and warranty claims, ensuring minimal downtime for your high-temperature monitoring systems. Direct overseas sourcing channels guarantee that replacement units are readily available, reinforcing our commitment to keeping your 3500 Machinery Protection System operational.
Company Introduction: We offer a one-year warranty and free replacement service：
Xiamen Xiongba E-commerce Co., Ltd. Branch specializes in the field of industrial automation, focusing on the sales of Distributed Control Systems (DCS), robot systems, and modules and spare parts for large-scale servo control systems. Our business covers a wide range of industrial automation products, including PLCs, MOTOROLA MVME industrial modules, Anybus communication converters, RTU remote modules, industrial PCs, low-frequency industrial displays, and SCSI human-machine interfaces. With over a decade of industry experience, Xiongba has grown into a global supplier of industrial automation spare parts. We source directly from overseas, offering products and parts from multiple countries and manufacturers. This helps solve customers' procurement challenges, ensures product quality, and provides a significant price advantage.
