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Model:SD-500H-24
Output:DC/DC 72-144Vin 24Vout 504W 21A
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4:1 &2:1 wide input range
2000VAC I/O isolation
Forced air cooling by built-in DC fan with fan speed control function
Protections: Short circuit / Over load / Over voltage
Output OK signal
Built-in remote sense function
Built-in remote ON/OFF control
DC input active surge current limiting
3 years warranty", "

Features:

DC input active surge current limiting

Wide 4:1~2:1 DC input range (24V:19~72VDC, 96V:72~144VDC)

Protections:Short circuit / Overload / Over voltage / Over temperature / Input polarity (by fuse)

2000VAC I/O Isolation

Forced air cooling by built-in DC fan with fan speed control function

Output OK Signal

Built-in remote ON-OFF control

Built-in remote sense function

3 years warranty

General Specification:

AC input voltage range: SD-500L:12,24,48: 19~72VDC ;SD-500H:12,24,48: 72~144VDC

AC inrush current (Typ.): SD-500L:12,24,48: 60A~48VDC ;SD-500H:12,24,48: 60A~96VDC

DC adjustment range: 12V: 11~15V ,24V: 23~30V ,48V: 46~60V

Over voltage protection: 12V: 16~19V ,24V: 30.8~35.2V ,48V: 62~68V, Protection type : Shut down o/p voltage, re-power on to recover

Overload protection: 105~125% rated output power , Protection type: Constant current limiting , shut down o/p voltage after about 5esc. re-power on to recover

Over temperature protection: Shut down o/p voltage, recovers automatically after temperature goes down

Withstand voltage:I/P-O/P: 2KVAC ,I/P-F/G: 2KVAC ,O/P-F/G: 0.5KVAC

Working temperature: -20~ +60ºC (Refer to \"Derating Curve\")

Safety standards:IEC60950-1 CB approved by TUV, EAC TP TC 004 approved

EMC standards: Compliance to EN55032 (CISPR32) Class B, Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A ,EAC TP TC 020

Isolation resistance:I/P-O/P,I/P-F/G,O/P-F/G: 100M Ohms/500VDC/25ºC/70% RH

Dimension (LxWxH) (mm):215x 115x 50

", "Welcome,you can buy all of the MEAN WELL power supplies in Power home.

We are MEAN WELL agents,there are more than 5000 kinds of products in stock,ensure rapid delivery,price advantage,if you are business customer or purchase more than 20 pcs,please contact us for a more favorable price!

Note:too cheap products may be imitation or defective products,usually a few months later may be broken,the original product can be used for 5 years or more,the power will not burn the equipment,this is the real bargain!" ], "Product_site_launch_date": [ "2013-10-10T08:18:55.815Z", "2014-10-26T10:40:40.259Z", "2015-12-24T07:03:55.457Z", "2017-05-04T07:00:00.000Z", "2017-11-23T10:51:24.497Z" ], "Publisher": [ "MEAN WELL", "Mean Well", "Meanwell" ], "StrippedMpns": [ "SD500H24" ], "Studio": [ "MEAN WELL", "Mean Well", "Meanwell" ], "Supplier_declared_dg_hz_regulation": [ "unknown" ], "Title": [ "DC-DC meanwell power SD-500H-24 500W 72~144V conversion to 24V21A( 2-Pack DHL)", "DC-DC meanwell power SD-500H-24 500W 72~144V conversion to 24V21A( 2-Pack DHL+ FREE GIFT)", "DC/DC Converters 72-144Vin 24Vout 504W 21A", "MEAN WELL MW SD-500H-24 24V 21A Enclosed Single Output DC-DC Converter", "MW Mean Well SD-500H-24 24V 21A Enclosed Single Output DC-DC Converter", "Mean Well SD-500H-24 DC to DC Power Supply", "Meanwell SD-500H-24 DC-DC Converter - 500W - 72~144V in 24V out", "[PowerNex] Mean Well SD-500H-24 24V 21A Enclosed Single Output DC-DC Converter" ], "TitleSource": [ "listings feed" ], "TradeInEligible": [ "False" ], "Type": [ "ean", "upc" ], "URL": [ "http://ecx.images-amazon.com/images/I/21qP75LtfTL._SL75_.jpg", "http://ecx.images-amazon.com/images/I/415hlPTsfTL._SL75_.jpg", "https://m.media-amazon.com/images/I/21qP75LtfTL._SL75_.jpg", "https://m.media-amazon.com/images/I/415hlPTsfTL._SL75_.jpg", "https://m.media-amazon.com/images/I/41NQIodMECL._SL75_.jpg", "https://m.media-amazon.com/images/I/41U00QQjXxL._SL75_.jpg", "https://m.media-amazon.com/images/I/41qZBu1he4L._SL75_.jpg" ], "Unit": [ "amps", "inches", "millimeters", "ounces", "pounds", "volts" ], "Units": [ "inches", "pixels", "pounds" ], "Variant": [ "MAIN", "PT01", "PT02", "PT03", "PT04" ], "Voltage": [ "24.0" ], "Wattage": [ "504.0" ], "WebsiteDisplayGroup": [ "biss_basic_display_on_website", "ce_display_on_website", "pc_accessory_display_on_website" ], "WebsiteDisplayGroupName": [ "BISS Basic", "CE", "PC Accessory" ], "Weight": [ "0.000625", "0.15", "2.42", "2.4250848820" ], "Width": [ "1.9685", "1.9685000", "1065", "115.0", "1200", "1377", "1480", "1821", "1832", "356", "358", "4.52755", "4.5275500", "4.72", "400", "50.0", "500", "53", "54", "75" ] }, "images": [], "distributors": [ { "name": "Newark", "sku": "44AC7507", "url": "https://www.newark.com/44AC7507", "pricing": [ { "quantity": 1, "price_usd": 192.92 } ], "stock": { "available": false, "quantity": null, "lead_time_days": null }, "moq": 1, "multiple": 1, "image": "http://www.newark.com/productimages/large/en_GB/2816194-40.jpg" }, { "name": "powersupplymall.com", "sku": "SD-500H-24", "url": "https://powersupplymall.com/mean-well-sd-500h-24-dc-dc-converter-500w-72-144v-in-24v-out/", "pricing": [ { "quantity": 1, "price_usd": 154.57 } ], "stock": { "available": true, "quantity": 5, "lead_time_days": 0 }, "moq": 1, 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Features:

DC input active surge current limiting

Wide 4:1~2:1 DC input range (24V:19~72VDC, 96V:72~144VDC)

Protections:Short circuit / Overload / Over voltage / Over temperature / Input polarity (by fuse)

2000VAC I/O Isolation

Forced air cooling by built-in DC fan with fan speed control function

Output OK Signal

Built-in remote ON-OFF control

Built-in remote sense function

3 years warranty

General Specification:

AC input voltage range: SD-500L:12,24,48: 19~72VDC ;SD-500H:12,24,48: 72~144VDC

AC inrush current (Typ.): SD-500L:12,24,48: 60A~48VDC ;SD-500H:12,24,48: 60A~96VDC

DC adjustment range: 12V: 11~15V ,24V: 23~30V ,48V: 46~60V

Over voltage protection: 12V: 16~19V ,24V: 30.8~35.2V ,48V: 62~68V, Protection type : Shut down o/p voltage, re-power on to recover

Overload protection: 105~125% rated output power , Protection type: Constant current limiting , shut down o/p voltage after about 5esc. re-power on to recover

Over temperature protection: Shut down o/p voltage, recovers automatically after temperature goes down

Withstand voltage:I/P-O/P: 2KVAC ,I/P-F/G: 2KVAC ,O/P-F/G: 0.5KVAC

Working temperature: -20~ +60ºC (Refer to \"Derating Curve\")

Safety standards:IEC60950-1 CB approved by TUV, EAC TP TC 004 approved

EMC standards: Compliance to EN55032 (CISPR32) Class B, Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A ,EAC TP TC 020

Isolation resistance:I/P-O/P,I/P-F/G,O/P-F/G: 100M Ohms/500VDC/25ºC/70% RH

Dimension (LxWxH) (mm):215x 115x 50

", "features": [ "Output Voltage: 24V", "Approx. Wattage: 504W", "Mechanical Form: Metal", "Warranty: 3 Years Warranty" ] }, { "asin": "B00Q7URMPI", "title": "DC/DC Converters 72-144Vin 24Vout 504W 21A", "brand": "MEAN WELL", "image": "https://m.media-amazon.com/images/I/41U00QQjXxL._SL75_.jpg", "url": "http://www.amazon.com/gp/offer-listing/B00Q7URMPI%3FSubscriptionId%3DAKIAJUW2QV4TGRRGUWCQ%26tag%3Dwysj0-a%26linkCode%3Dxm2%26camp%3D2025%26creative%3D386001%26creativeASIN%3DB00Q7URMPI" }, { "asin": "B019RKARCO", "title": "[PowerNex] Mean Well SD-500H-24 24V 21A Enclosed Single Output DC-DC Converter", "brand": "MEAN WELL", "image": "http://ecx.images-amazon.com/images/I/415hlPTsfTL._SL75_.jpg", "url": "https://www.amazon.com/gp/offer-listing/B019RKARCO?SubscriptionId=AKIAITSO4UHGHJKNYI6Q&tag=charles&linkCode=xm2&camp=2025&creative=386001&creativeASIN=B019RKARCO", "features": [ "4:1 & 2:1 DC input range", "2000VAC I/O Isolation", "Forced air cooling by built-in DC fan with fan speed control function", "Built-in remote ON/OFF control", "3 years warranty" ] }, { "asin": "B071LLSCYZ", "title": "MEAN WELL MW SD-500H-24 24V 21A Enclosed Single Output DC-DC Converter", "brand": "MEAN WELL", "image": "https://m.media-amazon.com/images/I/41NQIodMECL._SL75_.jpg", "url": "https://www.amazon.com/dp/B071LLSCYZ?tag=atariguidz-20", "description": "Features
4:1 &2:1 wide input range
2000VAC I/O isolation
Forced air cooling by built-in DC fan with fan speed control function
Protections: Short circuit / Over load / Over voltage
Output OK signal
Built-in remote sense function
Built-in remote ON/OFF control
DC input active surge current limiting
3 years warranty", "features": [ "4:1 & 2:1 DC input range", "2000VAC I/O Isolation", "Forced air cooling by built-in DC fan with fan speed control function", "Built-in remote ON/OFF control", "3 years warranty" ] }, { "asin": "B077PR328N", "title": "DC-DC meanwell power SD-500H-24 500W 72~144V conversion to 24V21A( 2-Pack DHL)", "brand": "MEAN WELL", "image": "https://m.media-amazon.com/images/I/41qZBu1he4L._SL75_.jpg", "url": "https://www.amazon.com/dp/B077PR328N?tag=atariguidz-20", "description": "Welcome,you can buy all of the MEAN WELL power supplies in Power home.

We are MEAN WELL agents,there are more than 5000 kinds of products in stock,ensure rapid delivery,price advantage,if you are business customer or purchase more than 20 pcs,please contact us for a more favorable price!

Note:too cheap products may be imitation or defective products,usually a few months later may be broken,the original product can be used for 5 years or more,the power will not burn the equipment,this is the real bargain!", "features": [ "Brand:MEAN WELL
Model:SD-500H-24
Output:DC/DC 72-144Vin 24Vout 504W 21A
", "1 items=2-Pack + FREE GIFT with DHL free ship(5-7 working days to USA)", "Choose the Expedited Shipping service and pay the express charge (1-3 days to USA)", "Meanwell agent, guaranteed authentic, best discount! Price does not include tax, international freight is expensive, does not support returns, replacement (unless buyers pay back and forth freight)" ] } ] }, "metadata": { "generated_date": "2025-12-06", "last_updated": "2025-12-06", "data_sources": [ "Allied Electronics", "AmazonSC", "AmazonTP", "Digi-Key", "Jameco", "Newark", "Onlinecomponents.com", "RS Delivers", "RS Online", "TME", "electricautomationnetwork.com", "jotrin.com", "peaktopeakpower.com", "powersupplymall.com", "us.rs-online.com", "Amazon" ], "completeness": 1.0, "version": "1.0" } } }