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Description
Mean Well - 200W Single Output DC-DC Converter, INPUT: 19-36VDC (10.4Amp), OUTPUT: 48VDC (4.2Amp)Robust & Reliable 200W DC DC Power Conversion Engineered for performance and reliability, the Mean Well SD 200B 48 is a high efficiency, 200W enclosed type DC DC converter. This unit expertly converts a 24V DC input (ranging from 19 36VDC) into a stable, regulated 48V DC output, making it an ideal step up or 'boost' converter for demanding industrial applications. Built with the quality Mean Well is known for, this converter ensures consistent power
Robust & Reliable 200W DC-DC Power Conversion
Engineered for performance and reliability, the Mean Well SD-200B-48 is a high-efficiency, 200W enclosed-type DC-DC converter. This unit expertly converts a 24V DC input (ranging from 19-36VDC) into a stable, regulated 48V DC output, making it an ideal step-up or 'boost' converter for demanding industrial applications. Built with the quality Mean Well is known for, this converter ensures consistent power for your critical systems.
Core Features & Benefits
- Wide Input Range: The 2:1 wide input voltage range accommodates variations in the power source, providing operational flexibility.
- Comprehensive Protection: Equipped with built-in safeguards against short circuits, overload, over voltage, and over temperature to ensure longevity and protect connected equipment.
- High Efficiency: With an efficiency rating of 86%, this converter minimizes energy loss, reducing heat generation and operational costs.
- Reliable Cooling: Cooled by free air convection, it operates silently and reliably without the need for a fan across a wide temperature range of -20°C to +60°C.
- Isolation: Features 1500VAC I/O isolation to enhance safety and system integrity.
- Quality Assured: Undergoes a 100% full load burn-in test to guarantee performance right out of the box.
Technical Specifications
| OUTPUT | |
| DC Voltage | 48V |
| Rated Current | 4.2A |
| Current Range | 0 ~ 4.2A |
| Rated Power | 201.6W |
| Ripple & Noise (max.) | 200mVp-p |
| Voltage Adj. Range | 43 ~ 53VDC |
| Voltage Tolerance | ±1.0% |
| INPUT | |
| Voltage Range | 19 ~ 36VDC |
| Efficiency (Typ.) | 86% |
| DC Current (Typ.) | 10.4A |
| PROTECTION | |
| Overload | 105 ~ 135% rated output power. Protection type: Shut down o/p voltage, re-power on to recover. |
| Over Voltage | 53 ~ 65V. Protection type: Shut down o/p voltage, re-power on to recover. |
| Over Temperature | Protection type: Shut down o/p voltage, recovers automatically after temperature goes down. |
| ENVIRONMENT | |
| Working Temperature | -20 ~ +60°C (Refer to output load derating curve) |
| Working Humidity | 20 ~ 90% RH non-condensing |
| Storage Temp., Humidity | -40 ~ +85°C, 10 ~ 95% RH |
| SAFETY & EMC | |
| Withstand Voltage | I/P-O/P: 1.5KVAC, I/P-FG: 1.5KVAC, O/P-FG: 0.5KVAC |
| Isolation Resistance | I/P-O/P, I/P-FG, O/P-FG: 100M Ohms / 500VDC |
| EMC Emission | Compliance to EN55022 (CISPR22) Class B |
| EMC Immunity | Compliance to EN61000-4-2,3,4,6,8; ENV50204 |
| OTHERS | |
| Manufacturer Part Number | SD-200B-48 |
| Dimensions (L x W x H) | 215 x 115 x 50 mm |
| Weight | 1.1 Kg |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Nice shower mat
Size: 50" X 30", Color: Navy
I have had it for almost a month now and run it through the washer and dryer. Its nice and soft, decent size I did not use a measuring tape to check how precise the sizing is. Absorbs the water when I step out of the shower well and doesn't feel wet or let anything through. Stays in place on the tile floor. Only challenge has been the robot vacuum cleaner gets trapped on it about half the time, but this might just be a testament to its thick nature.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Soft and washes well.
Size: 30" X 20", Color: Grey
These are great rugs and I keep going back and buying more. They are such a good value for money and they wash really easily. They don't slide or shed and they are very durable. They are very soft.So far we have them in both bathrooms and next to our bed.
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Reviewed in the United States on May 27, 2026
★★★★★ 4
Great Purchase
Size: 24" X 24" Contour Rug, Color: Beige
I picked these rugs (I purchased 3 of them) because it said its for elongated toilets. I have elongated toilets so I ordered for each room, they are a little large. I thought they would fit the toilet perfectly and not be large where it moves away from the side of the toilet. they are all very soft, like a shag rug, nice and thick and they come in many colors. The only thing I would change is the price of the light grey rug.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Good mat, good price, 'nuff said.
Size: 30" X 20", Color: Grey
While the photo suggests that this mat is enormous, it is a pretty good size at 30 x 20 inches. The chenille is very soft and feels nice on your feet. There is a rubber backing that prevents slippage on smooth bathroom floors. Overall there is nothing terribly noteworthy about this bathmat - it's a nice, high quality mat at a very good price. A good deal every day.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Thick and soft
Size: 30" X 20", Color: Grey
Nice and thick, the non-skid is really non-skid, does not fit under some doors as it is thick, very soft .
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Reviewed in the United States on May 28, 2026