PMA300F-24
300W medical-grade AC-DC power supply with 2xMOPP isolation for patient-connected equipment
Product Overview
Description
The Cosel PMA300F-24 is a 300W medical-grade AC-DC power supply specifically designed for patient-connected medical equipment. This power supply is certified to IEC 60601-1 3rd Edition with 2xMOPP (Means of Patient Protection) isolation, providing the highest level of patient safety. The 4000VAC isolation voltage and ultra-low leakage current of less than 75µA meet stringent medical safety requirements. The power supply delivers regulated 24VDC at up to 12.5A with high efficiency of 92%. Key features include active PFC, comprehensive protection (OCP, OVP, OTP, SCP), and -20°C to +70°C operating temperature range. The enclosed design with medical-grade construction ensures reliable operation in medical environments. With an MTBF of 280,000 hours and Cosel's 5-year warranty, this power supply provides exceptional reliability for medical devices.
Product Series
PMA
Primary Application
Patient monitoring systems
Key Features
- 300W medical-grade power with 24VDC at 12.5A
- IEC 60601-1 3rd Edition certified with 2xMOPP
- 4000VAC isolation voltage
- Ultra-low <75µA leakage current
- High efficiency 92% reduces heat
- Active PFC >0.95 for power quality
- Comprehensive protection: OCP, OVP, OTP, SCP
- Global medical certifications
- 5-year standard warranty
Specifications
| Input Voltage Range | 85-264VAC (universal) |
|---|---|
| Input Frequency | 47-63Hz |
| Output Voltage | 24VDC ±1% |
| Output Current | 12.5A maximum |
| Output Power | 300W continuous |
| Efficiency | 92% typical at 230VAC, full load |
| Isolation Voltage | 4000VAC (2xMOPP) |
| Leakage Current | <75µA at 264VAC |
| Power Factor | >0.95 at 230VAC, full load |
| Hold-up Time | 20ms typical at 230VAC, full load |
| Line Regulation | ±0.5% typical |
| Load Regulation | ±1% typical |
| Ripple and Noise | 150mVp-p maximum |
| Operating Temperature | -20°C to +70°C with derating |
| Storage Temperature | -25°C to +85°C |
| MTBF | 280,000 hours at 25°C (Telcordia SR-332) |
| Dimensions | 102 x 50 x 200 mm (W x H x D) |
| Weight | 1.3 kg typical |
| Safety Standards | IEC 60601-1 3rd Ed, UL60601-1, EN60601-1 |
| EMC Standards | EN55011 Class B, EN60601-1-2 |
Applications
Patient monitoring systems
Electronic system design
Diagnostic equipment
Electronic system design
Therapeutic devices
Electronic system design
Medical imaging systems
Medical electronics
Infusion pumps
Electronic system design
Surgical equipment
Electronic system design
Home healthcare devices
Electronic system design
Dental equipment
Electronic system design
FAE Expert Insights
"The PMA300F-24 is our recommendation for higher-power medical applications requiring 2xMOPP isolation. The 300W output supports larger medical devices while maintaining the ultra-low leakage current critical for patient safety. We've successfully deployed these in patient monitoring systems and diagnostic equipment. The 92% efficiency is impressive for a medical-grade supply, reducing heat generation in enclosed medical devices. The comprehensive certification package simplifies FDA submissions. For patient-connected equipment requiring higher power, this is an excellent choice."
High-power medical-grade with excellent safety margins
— BeiLuo FAE Team, BeiLuo
Frequently Asked Questions
What is the difference between PMA150F-24 and PMA300F-24?
The PMA300F-24 offers twice the power (300W vs 150W) with the same medical certifications: Output current: 12.5A vs 6.3A at 24V; Leakage current: <75µA vs <50µA; Physical size: Slightly larger; Efficiency: 92% vs 91%; MTBF: 280K vs 300K hours. Both provide 2xMOPP isolation and meet IEC 60601-1 3rd Edition. Choose PMA300F-24 for higher power medical devices requiring 24V at higher current. Contact our FAE team for selection guidance.
Choose PMA300F-24 for higher power needs. Same medical certifications. Contact us for selection.
Can the PMA300F-24 be used in life-support equipment?
The PMA300F-24 can be used in life-support equipment with proper system design: 2xMOPP isolation meets requirements for patient contact; 280K hour MTBF provides good reliability baseline; Consider redundancy for critical applications; Implement monitoring and alarms. Life-support applications include ventilators, anesthesia machines, infusion pumps, patient monitors, and dialysis machines. System-level requirements include risk management per ISO 14971, FMEA analysis, comprehensive testing, and regulatory consultation. Contact our FAE team for life-support design review.
Can be used in life-support with proper system design. Consider redundancy. Contact us for critical care design.
What documentation is provided for FDA submission?
The PMA300F-24 comes with comprehensive medical certification documentation: Safety certificates include IEC 60601-1 3rd Edition, UL 60601-1, and EN 60601-1. CB test certificate provides international recognition. Documentation package includes risk management file (ISO 14971), usability file (IEC 62366), isolation diagram and specifications, leakage current test data, MTBF calculation, and declaration of conformity. This documentation is essential for FDA submissions (510(k), PMA), EU MDR technical files, and other international regulatory submissions. Contact our FAE team to request documentation packages.
Complete medical documentation package available. Request from BeiLuo. Contact us for regulatory support.
How do I calculate total system leakage with PMA300F-24?
For medical systems with PMA300F-24, calculate total leakage: PMA300F-24 leakage is <75µA typical. System total is the sum of all components contributing to leakage. IEC 60601-1 limits are: Type B: <100µA normal, <500µA fault; Type BF: <100µA normal, <500µA fault; Type CF: <10µA normal, <50µA fault. Design margin: Keep 50% margin below limits and account for component variations. For multi-supply systems, calculate each supply's contribution and sum for total system leakage. Contact our FAE team for leakage analysis.
PMA300F-24 has <75µA leakage. Calculate total system leakage. Maintain margin below limits. Contact us for analysis.
What is the creepage and clearance for PMA300F-24?
The PMA300F-24 meets creepage and clearance requirements for 2xMOPP: Creepage distance is 8mm minimum along surface; Clearance distance is 5mm minimum through air. These distances ensure adequate isolation at 4000VAC working voltage. The enclosed package is designed with appropriate spacing - terminal spacing maintains creepage/clearance, PCB layout must preserve these distances, and no components should bridge isolation barrier. For system integration, maintain 8mm creepage between input and output, use slots or barriers if space limited, and select appropriate CTI rated materials. Contact our FAE team for layout review.
Maintain 8mm creepage, 5mm clearance in layout. Follow datasheet recommendations. Contact us for layout review.