Guangzhou Kaihui Electronics Co., Ltd. is one of the leading manufacturers and suppliers of dc24v 75w power supply unit in China. With abundant experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for customized service.
The DC24V 75W Power Supply Unit (Model K03-U75S24) is a highly compact, enclosed switching power module designed to seamlessly convert standard AC input into a stable 24VDC output. Delivering a rated current of 3.2A and a continuous power output of 75W, this unit is engineered for maximum space efficiency. With an ultra-thin footprint measuring exactly 99*97*30mm, it easily fits into heavily restricted enclosures. This makes it an ideal internal power hub for streamlined equipment, providing steady power delivery without adding unnecessary bulk to the final product.

Technical Parameters
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Model |
K03-U75S12 |
K03-U75S24 |
K03-U75S36 |
K03-U75S48 |
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OUTPUT SPECIFICATION |
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Output voltage |
12VDC |
24VDC |
36VDC |
48VDC |
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Rated current |
6.25A |
3.2A |
2.08A |
1.56A |
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Rated power |
75W |
75W |
75W |
75W |
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Ripple &noise |
120mVp-p |
240mVp-p |
360mVp-p |
480 mVp-p |
|
Output adjustable range |
5% |
5% |
5% |
5% |
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Output accuracy |
±1% |
±1% |
±1% |
±1% |
|
Line regulation |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
|
Load Regulation |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
|
Setup, rise, hold up time |
600ms, 50ms, 20ms |
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INPUT SPECIFICATIO |
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Rated input voltage |
100V~240V AC |
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Input voltage range |
90V~264V AC |
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Input Current |
1.5A/220Vac |
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Frequency Range |
50~60Hz |
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efficiency @230Vac |
86% |
87% |
88% |
88% |
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Inrush current |
Cold start 30A/230Vac |
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Leakage current |
<1mA@240V |
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PROTECTION FUNCTION |
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Overload protection |
130~160% Hiccup protection, automatic recovery |
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Output short circuit protection |
Hiccup protection, automatic recovery |
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ENVIRONMENT |
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Working temp.,humidity |
-20~60℃,10~90% RH,No condensation |
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Storage temp.,humidity |
-40~85℃,10~95% RH |
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Temperature Coefficient |
±0.3%/℃(0~50℃) |
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Vibration |
10~500Hz, 2G 10min./1cycle, PERIOD FOR 60min. EACH AXES |
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SAFETY & EMC STANDARD |
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Safety standards |
GB4943 |
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Withstand voltage |
I/P-O/P:3.0 I/P-FG:1.5KV;O/P-FG:0.5KV AC 1min. |
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Insulation resistance |
I/P-O/P, I/P-FG, O/P-FG:500VDC / 50M Ohms. |
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MTBF |
>250K hrs ,MIL-HDBK-217F(25℃) |
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Size |
99*97*30mm |
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Weight |
0.2Kg |
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Product Advantages and Features
From an engineering and system integration standpoint, the DC24V 75W Power Supply Unit offers six notable advantages:
- Ultra-Thin Dimensions: The low 30mm height profile allows integrators to shrink the overall size of their end products, greatly enhancing industrial design flexibility.
- Stable Output Quality: Maintains a reliable 24V supply with a strictly controlled ripple and noise limit of 240mVp-p, ensuring smooth operation for sensitive logic boards.
- High Reliability Assurance: Backed by rigorous QA and QC systems and utilizing high-quality CAPXON brand capacitors, the defect and repair rate is compressed below 0.1%~0.2%.
- Excellent EMC Performance: Verified in an independent electromagnetic compatibility laboratory, guaranteeing the unit passes strict EMC standards to avoid signal interference with other internal electronics.
- Robust Protection Capabilities: Includes fundamental safety mechanisms such as overload, over-voltage, and short-circuit protections to safeguard downstream hardware from electrical anomalies.
- Optimized Thermal Management: Engineered for fanless, 100% silent operation due to its efficient heat dissipation through the enclosed aluminum chassis, ideal for noise-sensitive environments.
Application Scenarios
- Automated Vending Kiosks: Powering internal control boards, coin validators, and low-power motors within confined cabinet spaces.
- Commercial Signage & Lighting: Acting as a discreet power driver for indoor LED light boxes, display panels, and retail channel letters.
- Compact Security Systems: Supplying steady voltage to access control panels, intercom systems, and lightweight surveillance hubs.
After-Sales Service
- Quality Warranty: A standard two-year warranty covers the units, ensuring peace of mind during the initial operational lifecycle.
- Compliance & Shipping Support: Comprehensive assistance with vessel booking, customs declarations, and obtaining designated product test reports or factory audit certifications.
- Rapid Technical Response: A dedicated engineering team ensures any quality feedback or integration issues are addressed swiftly to achieve complete customer satisfaction.
Industry FAQ
Q1: How long does it take to deliver a bulk order of this model?
A: Following the receipt of your project deposit, the mass production lead time for standard enclosed switching power supplies is typically 20-25 working days.
Q2: Can we use our own branding and customized packaging for these units?
A: Absolutely. OEM and ODM services are fully supported. You can print your private logo, and a professional design team is available to assist in creating custom packaging to match your corporate identity.
Q3: Are samples available before committing to a bulk purchase?
A: Yes, sample orders are welcomed to test and verify quality. Usually, 1-5 pieces can be provided, and customized samples generally take 7-10 working days to prepare after payment.
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