1. Core Technical Specifications

Module Type：3500/15 Industrial High-Voltage DC Rack Power Supply Module

Specific Model：3500/15-03-03-00 High-Voltage DC Enhanced Hazardous Area Version

System Compatibility：Fully compatible with all Bently Nevada 3500 series full-height and half-height modules

Input Voltage Range：88–140 Vdc industrial high-voltage DC wide-range input

Output Performance：Stable multi-group isolated DC voltage output, matching full-rack module load demand

Core Protection：Over-voltage, under-voltage, over-current, short-circuit and surge surge automatic protection

Noise Suppression：Enhanced high-grade EMI filter, suppressing high-frequency clutter and DC ripple interference

Deployment Mode：Supports single independent power supply / dual redundant hot backup power supply

Structure Type：Half-height compact module, dedicated left-side slot installation for 3500 rack

Physical Dimension：120.7mm × 50.8mm × 251.5mm

Module Weight：1.39kg industrial lightweight integrated design

Operating Temperature：-30℃ ~ +65℃ industrial wide-temperature working range

Storage Temperature：-40℃ ~ +85℃

Environmental Humidity：0–95% non-condensing humidity tolerance

Certification：Class I Div 2, CSA, ATEX, IECEx full hazardous area explosion-proof certification

Industry Standard：Compliant with API 670 machinery protection system mandatory specifications

2. Official Ordering Code Definition & Exact Model Parsing

Standard Ordering Model：3500/15-AA-BB-CC

AA Code: Power Input Type

BB Code: Functional Expansion Grade

CC Code: Safety Certification Grade

Front & Rear Board Official Matching List

3. Core Product Advantages

The 3500/15-03-03-00 high-voltage DC power supply module features unique high-voltage wide-range input and enhanced anti-interference capabilities, making it more adaptable to complex industrial power environments than low-voltage DC and ordinary AC power modules. The 88–140Vdc ultra-wide input range effectively tolerates severe voltage fluctuations and load impact changes in industrial high-voltage DC power grids, avoiding frequent power reset or system outage caused by voltage instability. Equipped with BB03 enhanced anti-surge and EMI suppression design, it greatly reduces high-frequency ripple and electromagnetic interference generated by on-site frequency converters and high-power equipment, ensuring ultra-stable power supply for high-precision vibration, displacement and keyphasor signal acquisition modules without signal distortion. The comprehensive multi-level protection mechanism of overvoltage, undervoltage, overcurrent and short circuit can quickly cut off faulty output to protect expensive rack modules from burnout. Supporting dual redundant hot backup non-stop switching, it achieves zero interruption of power supply for the whole system. The half-height compact structure saves cabinet space, and industrial-grade harsh environment resistance ensures 7×24-hour stable operation, significantly improving the overall safety and anti-risk capability of the TSI machinery protection system.

4. Industrial Application Scenarios

The 3500/15-03-03-00 high-voltage DC power module is mainly used in heavy industrial scenarios with high-voltage DC power distribution and strict safety standards. In petrochemical, natural gas and coal chemical hazardous area projects, it matches explosion-proof and intrinsically safe monitoring systems, adapting to the high-voltage DC power supply specifications of field explosion-proof electrical systems to meet hazardous area safety certification requirements. In large thermal power and hydropower plant auxiliary machine monitoring racks, it provides stable power guarantee for turbine auxiliary equipment, large fans and water pump TSI systems, resisting power grid impact during unit start-stop and load conversion. It is also widely deployed in metallurgical heavy industry, mining equipment and large industrial compressor cluster monitoring systems with independent high-voltage DC UPS power supply systems, solving the problem of unstable power supply in heavy-load industrial environments and ensuring continuous, accurate and reliable operation of equipment condition monitoring and safety interlock systems.