{"id":172,"date":"2021-09-08T02:57:23","date_gmt":"2021-09-08T02:57:23","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=product&p=172"},"modified":"2026-08-18T16:39:45","modified_gmt":"2026-08-18T08:39:45","slug":"lrs-series-50w-ac-to-dc-single-output-switching-power-supply","status":"publish","type":"product","link":"https:\/\/www.wehopower.com\/ar\/product\/lrs-series-50w-ac-to-dc-single-output-switching-power-supply\/","title":{"rendered":"\u0633\u0644\u0633\u0644\u0629 LRS \u0628\u0642\u062f\u0631\u0629 50 \u0648\u0627\u062a \u062a\u064a\u0627\u0631 \u0645\u062a\u0631\u062f\u062f \u0625\u0644\u0649 \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631\u060c \u0645\u0635\u062f\u0631 \u0637\u0627\u0642\u0629 \u062a\u062d\u0648\u064a\u0644 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0625\u062e\u0631\u0627\u062c"},"content":{"rendered":"

Why Choose the WEHO LRS-50?<\/strong><\/h2>\n

Slim and space-saving. <\/strong>The 99 x 82 x 30 mm enclosure fits compact equipment and helps preserve wiring space inside control cabinets.<\/p>\n

Universal input. <\/strong>The 85-264 VAC input range supports equipment intended for multiple regions without separate AC-input versions.<\/p>\n

Efficient fanless operation. <\/strong>Efficiency up to 90% and natural air cooling reduce noise and eliminate fan maintenance.<\/p>\n

Stable, adjustable DC output. <\/strong>Line and load regulation support stable operation, while the output can be fine-tuned within the specified range.<\/p>\n

Integrated protection. <\/strong>Overload, over-current and short-circuit protection help protect the power supply and connected equipment during abnormal conditions.<\/p>\n

 <\/p>\n

Features, Benefits and Advantages<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0645\u064a\u0632\u0629<\/strong><\/td>\nCustomer Benefit<\/strong><\/td>\n<\/tr>\n
50W single-output design<\/strong><\/td>\nA practical power level for controllers, display modules, security equipment and compact OEM systems.<\/td>\n<\/tr>\n
85-264 VAC universal input<\/strong><\/td>\nSimplifies global equipment design and reduces input-voltage variants.<\/td>\n<\/tr>\n
30 mm low-profile enclosure<\/strong><\/td>\nSaves vertical space in cabinets and compact equipment.<\/td>\n<\/tr>\n
Up to 90% efficiency<\/strong><\/td>\nReduces power loss and heat generation.<\/td>\n<\/tr>\n
\u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0637\u0628\u064a\u0639\u064a<\/strong><\/td>\nQuiet operation with no fan maintenance.<\/td>\n<\/tr>\n
\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0646\u0627\u062a\u062c<\/strong><\/td>\nHelps compensate for cable drop or match the connected load within the specified range.<\/td>\n<\/tr>\n
Ventilated metal enclosure<\/strong><\/td>\nSupports mechanical protection and heat dissipation.<\/td>\n<\/tr>\n
Overload, over-current and short-circuit protection<\/strong><\/td>\nImproves resilience during common abnormal-load conditions.<\/td>\n<\/tr>\n
LED power indicator<\/strong><\/td>\nMakes commissioning and maintenance checks faster.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Product Differentiation<\/strong><\/h2>\n

The LRS-50 combines a compact 30 mm enclosure, universal AC input, fanless operation and multiple output-voltage choices in one practical 50W platform. It is designed for OEM customers who need a straightforward enclosed power supply that is easy to integrate, wire and maintain inside space-constrained equipment.<\/p>\n

For buyers standardizing multiple machines, the wider LRS family provides a familiar product architecture across higher power ratings. This can reduce redesign work and simplify future power upgrades, while the LRS-50 remains the compact choice for lower-power loads.<\/p>\n

 <\/p>\n

Typical Service Conditions<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n
Condition<\/strong><\/td>\nRecommended Guidance<\/strong><\/td>\n<\/tr>\n
\u0628\u064a\u0626\u0629<\/strong><\/td>\nIndoor, dry and protected equipment enclosure or control cabinet. Do not expose the unit directly to rain, condensation or conductive dust.<\/td>\n<\/tr>\n
Cooling<\/strong><\/td>\nKeep all ventilation openings clear. Allow sufficient space for natural airflow around the power supply.<\/td>\n<\/tr>\n
\u0645\u062f\u062e\u0644<\/strong><\/td>\n85-264 VAC, 47-63 Hz, or 120-373 VDC.<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629<\/strong><\/td>\n-20\u00b0C to +70\u00b0C according to the supplied specification. Output derating may apply at elevated temperatures.<\/td>\n<\/tr>\n
Load sizing<\/strong><\/td>\nSelect the output voltage first, then confirm continuous current, peak current and total power. Allow practical design headroom.<\/td>\n<\/tr>\n
Grounding<\/strong><\/td>\nConnect protective earth correctly and follow applicable wire-size, terminal-torque and upstream-protection requirements.<\/td>\n<\/tr>\n
Maintenance<\/strong><\/td>\nDisconnect input power before wiring or inspection. Periodically check terminals, dust accumulation and ventilation paths.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Application Industries<\/strong><\/h2>\n

Industrial Automation and Production Lines<\/b><\/strong><\/h3>\n

Provides stable DC power for PLCs, relays, sensors, small actuators, HMI modules and control circuits used in automated production equipment. It is suited to compact machine builders and production lines that require reliable low-voltage power.<\/p>\n

\"Industrial
Application 01 – Automated production line.<\/em><\/figcaption><\/figure>\n

 <\/p>\n

Indoor LED Displays and Signage<\/b><\/strong><\/h3>\n

Supports receiver cards, control boards and LED modules used in indoor video walls, menu boards and advertising displays. Select the correct output voltage and reserve sufficient capacity for LED startup current.<\/p>\n

\"Indoor
Application 02 – Indoor LED display and digital-signage environment.<\/em><\/figcaption><\/figure>\n

 <\/p>\n

Security, CCTV and Access Control<\/strong><\/h3>\n

Supports CCTV recorders, access controllers, door-lock relays and alarm interfaces used in commercial entrance and surveillance systems. Install the power supply inside suitable protected equipment.<\/p>\n

\"Security,
Application 03 – Commercial access-control and CCTV system.<\/em><\/figcaption><\/figure>\n

 <\/p>\n

Self-Service Kiosks and Ticketing Equipment<\/strong><\/h3>\n

A practical power source for controllers, payment modules, sensors, small motors and internal lighting in vending machines, ticketing kiosks and other indoor self-service equipment.<\/p>\n

\"Self
Application 04 – Self-service ticketing or payment kiosk.<\/em><\/figcaption><\/figure>\n

Application Boundary \u00a0<\/strong>The LRS-50 uses a ventilated metal enclosure and is not waterproof. For outdoor or wash-down environments, use a suitably rated waterproof power supply or place the unit inside a sealed, temperature-managed enclosure after engineering validation.<\/p>\n

 <\/p>\n

\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u0629<\/strong><\/h2>\n

1.What output voltages are available for the LRS-50?<\/strong><\/p>\n

The supplied specification lists 12V, 15V, 24V and 48V versions.<\/p>\n

2.Does the LRS-50 accept worldwide AC input?<\/strong><\/p>\n

Yes. The input range is 85-264 VAC, 47-63 Hz, or 120-373 VDC.<\/p>\n

3.How do I choose the correct version?<\/strong><\/p>\n

Confirm the load voltage first, then calculate continuous current and total power. Include headroom for startup surge, cable loss, elevated ambient temperature and future expansion.<\/p>\n

4.Can the output voltage be adjusted?<\/strong><\/p>\n

Yes. The supplied specification lists an adjustable DC output range of \u00b110%. Keep the adjusted voltage within the limits of the connected equipment.<\/p>\n

5.Is the LRS-50 fanless?<\/strong><\/p>\n

Yes. The LRS-50 uses natural air convection. Keep all ventilation openings unobstructed.<\/p>\n

6.Can the LRS-50 be used outdoors?<\/strong><\/p>\n

Not as an exposed unit. The ventilated metal enclosure is not waterproof. Install it indoors or inside a suitable protected enclosure.<\/p>\n

7.What protection functions are included?<\/strong><\/p>\n

The supplied specification lists overload, over-current and short-circuit protection.<\/p>\n

8.What is the operating temperature?<\/strong><\/p>\n

The supplied specification lists -20\u00b0C to +70\u00b0C. Derating and adequate airflow may be required at elevated temperatures.<\/p>\n

9.What are the dimensions and weight?<\/strong><\/p>\n

The LRS-50 measures 99 x 82 x 30 mm and weighs approximately 0.23 kg.<\/p>\n

10.What information is required for a quotation?<\/strong><\/p>\n

Provide output voltage, continuous and peak current, AC input voltage, quantity, installation environment, cooling conditions and any certification or labeling requirements.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Why Choose the WEHO LRS-50? Slim and space-saving. The 99 x 82 x 30 mm enclosure fits compact equipment and helps preserve wiring space inside control cabinets. Universal input. The 85-264 VAC input range supports equipment intended for multiple regions without separate AC-input versions. Efficient fanless operation. Efficiency up to 90% and natural air cooling… \u0645\u0648\u0627\u0635\u0644\u0629 \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0633\u0644\u0633\u0644\u0629 LRS \u0628\u0642\u062f\u0631\u0629 50 \u0648\u0627\u062a \u062a\u064a\u0627\u0631 \u0645\u062a\u0631\u062f\u062f \u0625\u0644\u0649 \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631\u060c \u0645\u0635\u062f\u0631 \u0637\u0627\u0642\u0629 \u062a\u062d\u0648\u064a\u0644 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":542,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"product_category":[37,35],"product_categories_new":[121],"class_list":["post-172","product","type-product","status-publish","format-standard","has-post-thumbnail","hentry","product_category-lrs-series-slim-type-power-supply","product_category-enclosed-switching-power-supply","product_categories_new-lrs-series","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/product\/172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/comments?post=172"}],"version-history":[{"count":9,"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/product\/172\/revisions"}],"predecessor-version":[{"id":16486,"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/product\/172\/revisions\/16486"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/media\/542"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/media?parent=172"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/product_category?post=172"},{"taxonomy":"product_categories_new","embeddable":true,"href":"https:\/\/www.wehopower.com\/ar\/wp-json\/wp\/v2\/product_categories_new?post=172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}