Description

The BENTLY 3500/15 is a dual-redundant power supply module designed specifically for the Bently Nevada 3500 machinery protection system—a widely recognized platform used across industries such as oil & gas, power generation, and petrochemicals for critical asset monitoring. This power supply provides reliable +5 V DC and +12 V DC outputs to all modules within a 3500 chassis, ensuring continuous operation even under challenging conditions. With its built-in redundancy, the BENTLY 3500/15 can automatically switch between primary and secondary power sources without interrupting system performance—making it an essential component for fault-tolerant applications.

Positioned at the heart of every 3500 rack, the BENTLY 3500/15 supports up to two power supplies per chassis, allowing users to configure either single or dual power paths depending on their reliability needs. It features diagnostic LEDs that indicate status and faults, aiding in quick troubleshooting and maintenance. The BENTLY 3500/15 is engineered to meet stringent safety standards, including UL, CSA, and CE certifications, making it suitable for use in hazardous environments where downtime is not an option.

BENTLY 3500/15

Technical Specifications

Parameter Name	Parameter Value
Product Model	3500/15
Manufacturer	Bently Nevada (a Baker Hughes company)
Product Type	Dual Redundant Power Supply Module
Input Voltage Range	100–240 V AC, 50/60 Hz; also available in 24 V DC input variant
Output Voltage	+5 V DC @ 10 A; +12 V DC @ 2 A
Redundancy	Full hot-swappable redundancy supported
Power Consumption	Up to 100 W per supply
Operating Temperature	0°C to +60°C
Mounting	Plug-in module for 3500 chassis
Communication	Backplane-based status reporting to 3500 gateway
LED Indicators	Power OK, Fault, and Status LEDs
Approvals	CE, UL, CSA

Main Features and Advantages

High availability through redundant design:
The BENTLY 3500/15 offers full hot-swappable redundancy, meaning if one power supply fails, the other instantly takes over without any interruption to the monitoring system. This feature ensures maximum uptime for critical assets like turbines, compressors, and pumps.

Comprehensive diagnostics and ease of maintenance:
With integrated LED indicators showing power status and fault conditions, technicians can quickly assess the health of each 3500/15 power supply. Additionally, the ability to replace faulty units without powering down the entire rack minimizes downtime during maintenance activities.

Wide range of input voltage compatibility:
Designed to accommodate global electrical standards, the BENTLY 3500/15 accepts both 100–240 V AC and 24 V DC inputs, making it versatile for different geographical installations. Its universal input capability reduces the need for custom configurations when deploying systems internationally.

Safety-certified for industrial environments:
The BENTLY 3500/15 meets rigorous safety certifications including UL, CSA, and CE, which are crucial for deployment in hazardous locations where regulatory compliance is mandatory. These certifications ensure that the module operates reliably under extreme conditions while protecting personnel and equipment.

Compatibility with the entire 3500 ecosystem:
As part of the modular 3500 architecture, the BENTLY 3500/15 works seamlessly with all standard 3500 monitor modules (e.g., 3500/42 vibration monitors, 3500/53 speed monitors). Its plug-and-play nature simplifies installation and integration into existing or new 3500 racks.

Application Field

The BENTLY 3500/15 is indispensable in industries where continuous monitoring and protection of rotating machinery are paramount. In oil & gas refineries, this power supply ensures uninterrupted operation of vibration, position, and speed sensors connected to compressors and turbines, preventing costly unplanned shutdowns due to mechanical failures. The dual-redundant design of the BENTLY 3500/15 guarantees that these critical sensors remain powered, even if one power source fails, thus maintaining operational continuity.

In thermal and hydroelectric power plants, the BENTLY 3500/15 powers various monitoring modules responsible for detecting abnormalities in turbine bearings, rotor positions, and generator temperatures. Given the high stakes involved in power generation, the failover capability of the BENTLY 3500/15 ensures that any issues detected by the monitoring system are promptly addressed, thereby safeguarding against catastrophic failures.

Similarly, in petrochemical processing facilities, where large-scale chemical reactors and centrifugal pumps operate continuously, the BENTLY 3500/15 serves as the backbone for condition monitoring systems. By providing stable and redundant power, it helps prevent process interruptions caused by mechanical breakdowns, thereby enhancing overall plant efficiency and safety. Across all these scenarios, the BENTLY 3500/15 plays a pivotal role in ensuring the reliability and longevity of key industrial assets.

BENTLY 3500/15

Related Products

3500/25: Machinery protection module often paired with 3500/15 for comprehensive asset monitoring
3500/42: Vibration monitor requiring stable power from 3500/15 for accurate readings
3500/53: Speed monitor that relies on the 3500/15 for consistent operation
3500/05: Rack adapter necessary for mounting 3500/15 in standard cabinets
3500/72M: Magnetic proximity probe driver module powered by 3500/15
3500/90: Ethernet TCI module interfacing with 3500/15 for network connectivity
3500/92: Serial communication interface module utilizing power from 3500/15