Description
VANGUARD PSMU-350-3 | High Stability 350W Industrial Control Power Module
Meta Description
VANGUARD PSMU-350-3 (CPCI-350Q-P-38) is a 350W industrial-grade CPCI power supply module for industrial control and embedded systems. New original in stock, wide temperature operation, full protection circuits, complete QC testing and 12-month warranty for stable industrial power supply deployment.
Product Core Brief
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Model: PSMU-350-3 / CPCI-350Q-P-38
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Brand: VANGUARD
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Series: CPCI Industrial Power Supply Series
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Core Function: Provides stable DC power output for CPCI industrial embedded systems
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Type: 3U CPCI Rack-mounted Power Supply Module
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Key Specs: 350W rated power, industrial wide temperature, multi-circuit protection
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Condition: New Surplus, non-refurbished, original factory stock
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Warranty: 12 months professional after-sales warranty
Product Introduction
Unstable power output is one of the top causes of intermittent industrial system downtime — and the VANGUARD PSMU-350-3 (CPCI-350Q-P-38) solves exactly this pain point. It is a standard 3U CPCI form-factor power supply module designed exclusively for industrial embedded control, communication and industrial computer systems.
This module delivers a steady 350W continuous power output with built-in overvoltage, overcurrent and short-circuit protection circuits. It supports wide-range industrial temperature adaptation, maintaining stable operation in fluctuating factory environments. Compared with ordinary commercial power units, its industrial-grade component selection lowers long-term failure rates and cuts field maintenance frequency, making it a reliable power backup for continuous-running industrial equipment.
Key Technical Specifications
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Rated Output Power
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350 W continuous
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Standard Form Factor
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3U CPCI rack-mounted structure
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Input Voltage Range
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Industrial wide-range AC input
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Protection Mechanism
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Overvoltage, overcurrent, short circuit, over temperature protection
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Operating Temperature
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-20°C to +70°C industrial wide temperature grade
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Cooling Mode
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Built-in intelligent heat dissipation design
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Application Standard
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Compatible with standard CPCI industrial chassis systems
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Product Coding
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PSMU-350-3 / CPCI-350Q-P-38
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Stability Feature
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Low ripple, low noise continuous output
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Applicable Scenarios
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Industrial control hosts, embedded systems, communication cabinet equipment
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VANGUARD PSMU-350-3
Professional QC Testing SOP
All VANGUARD PSMU-350-3 power modules undergo standardized multi-process delivery testing to eliminate hidden risks of stock industrial parts, with full test records available for customer review.
1. Warehouse Entry Inspection
Verify original factory packing lists and product coding consistency to confirm genuine sourcing. Inspect module surface for no deformation, burn marks, aging discoloration or scratch damage. Check complete matching of factory certificates and accessory documents before warehousing.
2. On-Site Live Function Test
Install modules on a standard CPCI test chassis for power-on cycling tests. We verify normal power indicator status, stable voltage output and no abnormal noise or heat. Each unit runs 24+ hours of continuous aging testing, with output voltage and current data fully recorded to confirm load stability.
3. Electrical Parameter Detection
Adopt Fluke 115 professional multimeter to test output accuracy, insulation resistance and grounding continuity. All electrical indicators comply with industrial power supply safety standards to avoid leakage or unstable output risks.
4. Internal Configuration Verification
Check internal circuit welding status and default working parameters. Confirm protection threshold settings are consistent with factory original standards to prevent functional deviation after on-site replacement.
5. Final Packaging & Delivery Inspection
Qualified modules are sealed with anti-static bags and wrapped with shockproof bubble film. Professional inspectors sign off and paste QC Passed labels. Test photos and aging reports can be provided for project filing needs.
Field Replacement Pitfall Guide
Most on-site power module failures after replacement stem from operational negligence rather than product quality. These practical engineering summaries help you avoid repeated disassembly and system downtime.
❗ Mismatched Chassis Compatibility
Not all 3U CPCI chassis share identical pin definitions and power slot protocols. I have seen cases where engineers installed a visually matching module directly, only to trigger power self-protection and system startup failure. Confirm chassis model and power interface definition before purchase.
❗ On-Site Overload Operation
The 350W rated power is the continuous stable output limit. Stacking multiple high-power board cards will cause long-term overload operation, triggering overheat protection. Reserve more than 20% power margin for the whole cabinet load during configuration.
❗ Static Damage During Replacement
Internal power circuit chips are sensitive to static electricity. Dry workshop environments greatly increase ESD risks. Always wear anti-static wristbands and operate on anti-static mats during disassembly and installation to avoid circuit breakdown.
❗ Poor Heat Dissipation Layout
Blocked chassis air ducts will cause continuous high-temperature operation of the power module. Long-term overheating will accelerate component aging and shorten service life. Keep chassis ventilation smooth and clean dust regularly in industrial scenarios.
❗ Unmatched Protection Threshold Parameters
Different batch versions have minor differences in overcurrent protection thresholds. Direct replacement without parameter confirmation may lead to frequent false protection or failure to trigger protection in fault conditions.
Quick Conclusion
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VANGUARD PSMU-350-3 (CPCI-350Q-P-38) is a 350W industrial-grade 3U CPCI dedicated power supply module for embedded industrial control systems.
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New original surplus stock with complete aging testing and 12-month warranty, supporting fast delivery for emergency equipment maintenance.
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Multi-layer safety protection and wide-temperature design adapt to harsh industrial on-site environments, reducing equipment failure rates.
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Not universal for all CPCI chassis; interface and load margin verification is required before replacement and procurement.
VANGUARD PSMU-350-3
FAQ
Q1: What systems is the PSMU-350-3 module suitable for?
It applies to standard 3U CPCI industrial chassis, industrial control hosts and embedded communication equipment. It cannot be used for ordinary commercial ATX chassis systems, and chassis compatibility must be confirmed.
Q2: Are the supplied modules brand new original?
All units are new surplus original products, non-refurbished and non-repaired. Each module has passed 24-hour aging test and full electrical performance detection with complete test data.
Q3: What is the delivery and after-sales policy?
In-stock items can be shipped within 1–3 working days. A 12-month full warranty is provided. Free maintenance and replacement are available for non-human damage faults during the warranty period.
Q4: Why does the new module trigger frequent power protection?
It is usually caused by excessive cabinet load, blocked heat dissipation or mismatched chassis interface protocols. Check the total load power and chassis ventilation status first after installation.
Q5: Can test reports and qualification documents be provided?
Yes. We can provide aging test records, electrical parameter test reports and product qualification certificates to support customer project inspection and filing.
Applicable Publishing Channels & Revision Suggestions
1. Official Website Product Page: Retain complete parameter table and standardized QC process, simplify colloquial pitfall descriptions, and focus on industrial stability and original authenticity to enhance professional credibility.
2. Industrial E-Commerce Platforms: Highlight in-stock status, fast delivery and warranty advantages at the top, optimize FAQ for purchasing and after-sales concerns, and improve order conversion efficiency.
3. Technical Sharing Articles: Focus on on-site replacement pitfalls and load matching skills, combine actual industrial maintenance cases, and weaken parameter stacking to deliver practical engineer-oriented content.
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