{"id":1117,"date":"2021-11-02T02:54:00","date_gmt":"2021-11-02T02:54:00","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=product&p=1117"},"modified":"2026-09-28T15:24:37","modified_gmt":"2026-09-28T07:24:37","slug":"s-400w-series-normal-single-switching-power-supply","status":"publish","type":"product","link":"https:\/\/www.wehopower.com\/vi\/product\/s-400w-series-normal-single-switching-power-supply\/","title":{"rendered":"S-400W series normal single switching power supply"},"content":{"rendered":"

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt & Model<\/span><\/i><\/a><\/h4><\/div>
\n\t
\n\t\t
\n\t\t\t\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/td>\nS-400-5<\/td>\nS-400-12<\/td>\nS-400-24<\/td>\nS-400-48<\/td>\n<\/tr>\n
\u0110i\u1ec7n \u00e1p \u0111\u1ea7u ra DC, d\u00f2ng \u0111i\u1ec7n<\/td>\n5V0\uff5e60A<\/td>\n12V0\uff5e33A<\/td>\n24V 0\uff5e16.5A<\/td>\n48V 0\uff5e8.3A<\/td>\n<\/tr>\n
S\u00f3ng v\u00e0 ti\u1ebfng \u1ed3n<\/td>\n100mVp-P<\/td>\n150mVp-P<\/td>\n150mVp-P<\/td>\n200mVp-P<\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u00e2y \u0111\u1ea7u v\u00e0o<\/td>\n\u00b10.5%<\/td>\n\u00b10.5%<\/td>\n\u00b10.5%<\/td>\n\u00b10.5%<\/td>\n<\/tr>\n
T\u1ea3i \u1ed5n \u0111\u1ecbnh<\/td>\n\u00b11%<\/td>\n\u00b10.5%<\/td>\n\u00b10.5%<\/td>\n\u00b10.5%<\/td>\n<\/tr>\n
Hi\u1ec7u qu\u1ea3<\/td>\n0.73<\/td>\n0.82<\/td>\n0.83<\/td>\n0.85<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p DC<\/td>\n\u00b110%<\/td>\n\u00b110%<\/td>\n\u00b110%<\/td>\n\u00b110%<\/td>\n<\/tr>\n
D\u1ea3i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o<\/td>\n90\uff5e132VAC\/180\uff5e264VAC by switch 254\uff5e370VDC 47~63Hz<\/td>\n<\/tr>\n
T\u00e1c \u0111\u1ed9ng hi\u1ec7n t\u1ea1i<\/td>\nD\u00f2ng kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i 25A\/115VAC 50A\/230VAC<\/td>\n<\/tr>\n
B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i<\/td>\n105%\uff5e135%ng\u1eaft \u0111\u1ea7u ra, t\u1ef1 \u0111\u1ed9ng ph\u1ee5c h\u1ed3i<\/td>\n<\/tr>\n
B\u1ea3o v\u1ec7 qu\u00e1 \u00e1p<\/td>\n115%\uff5e150%shut down O\/P voltage,re-power on to recover<\/td>\n<\/tr>\n
Thi\u1ebft l\u1eadp, t\u0103ng, gi\u1eef th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng<\/td>\n200ms,50ms,20ms\/230VAC at full load<\/td>\n<\/tr>\n
Ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p<\/td>\nI\/P-O\/P:1,5kV I\/P-FG:1,5kV O\/P-FG:0,5kV 1 ph\u00fat<\/td>\n<\/tr>\n
\u0110i\u1ec7n tr\u1edf c\u00e1ch ly<\/td>\nI\/PO\/PI\/P-FG O\/P-FG: 500VDC\/100M\u03a9<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td>\n-10oC~+50oC<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\n215\u00d7115\u00d750mm<\/td>\n<\/tr>\n
C\u00e2n n\u1eb7ng<\/td>\n1.1kg<\/td>\n<\/tr>\n
\u0111\u00f3ng g\u00f3i<\/td>\n45.5\u00d731.5\u00d726CM\/20PCS\/22kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div>

Thi\u1ebft k\u1ebf<\/span><\/i><\/a><\/h4><\/div>
\n\t
\n\t\t\n\t\t
\n\t\t\t\"Overall<\/a>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div>

\u0110\u1eb7c tr\u01b0ng<\/span><\/i><\/a><\/h4><\/div>
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The white cap on the connector is for safety precautions against electric shock and dust protection.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1ec1u tr\u1ea3i qua c\u00e1c quy tr\u00ecnh ki\u1ec3m tra ti\u00eau chu\u1ea9n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n

Input voltage of this product: 90-132\/180-264VAC, changed by the switch.<\/p>\n

S\u1ea3n ph\u1ea9m n\u00e0y \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 qu\u00e1\/d\u01b0\u1edbi \u0111i\u1ec7n \u00e1p, qu\u00e1 d\u00f2ng, qu\u00e1 t\u1ea3i, qu\u00e1 t\u1ea3i, qu\u00e1 nhi\u1ec7t v\u00e0 ng\u1eafn m\u1ea1ch.<\/p>\n

S\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t b\u1eb1ng s\u1ef1 \u0111\u1ed1i l\u01b0u c\u1ee7a kh\u00f4ng kh\u00ed t\u1ef1 nhi\u00ean.<\/p>\n

The product’s output ripple noise is 100MV.<\/p>\n

Product voltage adjustment: \u00b110%<\/p>\n

S\u1ea3n ph\u1ea9m \u0111\u00e3 ho\u00e0n th\u00e0nh b\u00e0i ki\u1ec3m tra l\u00e3o h\u00f3a to\u00e0n t\u1ea3i 100%.<\/p>\n

Product size: 215*115*50mm (L * W * H)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

<\/h4><\/i><\/div>

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n

Q1: How do I determine whether a 400W switching power supply is sufficient for my equipment?<\/b><\/strong><\/h3>\n

Calculate the maximum power consumption of all connected devices and compare it with the power supply’s rated capacity. The total continuous load should stay below 400W, while additional headroom should be reserved for startup current, temporary load increases, and high-temperature operation.<\/p>\n

Q2: What applications can use the S-400W switching power supply?<\/b><\/strong><\/h3>\n

The S-400W series is suitable for industrial automation, machinery, control systems, LED equipment, communication devices, electronic equipment, and other systems that require a stable single DC output.<\/p>\n

Q3: How much power headroom should I leave when using a 400W power supply?<\/b><\/strong><\/h3>\n

The correct power margin depends on the application, but continuously operating at the absolute maximum rating is generally not recommended. Equipment with motors, relays, capacitive loads, or other high-startup-current components may require more headroom.<\/p>\n

Q4: What are the advantages of a 400W switch mode power supply?<\/b><\/strong><\/h3>\n

A 400W switching power supply provides good power density, high efficiency, compact size, and lower heat loss compared with many linear power supplies. These characteristics make it practical for industrial equipment and control systems with limited installation space.<\/p>\n

Q5: How do I choose the correct output voltage for the S-400W series?<\/b><\/strong><\/h3>\n

The output voltage must match the rated DC input voltage of the connected equipment. Before ordering, check the equipment specification, maximum current requirement, wiring distance, and total power demand. Using the wrong voltage can damage the connected load.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Specifications&Model Specification S-400-5 S-400-12 S-400-24 S-400-48 DC output voltage,current 5V0\uff5e60A 12V0\uff5e33A 24V 0\uff5e16.5A 48V 0\uff5e8.3A Wave and noise 100mVp-P 150mVp-P 150mVp-P 200mVp-P Inlet wire stability \u00b10.5% \u00b10.5% \u00b10.5% \u00b10.5% Load stability \u00b11% \u00b10.5% \u00b10.5% \u00b10.5% Efficiency 0.73 0.82 0.83 0.85 Adjustable range for DC voltage \u00b110% \u00b110% \u00b110% \u00b110% Input voltage range 90\uff5e132VAC\/180\uff5e264VAC by switch… Ti\u1ebfp t\u1ee5c \u0111\u1ecdc S-400W series normal single switching power supply<\/span><\/a>","protected":false},"author":1,"featured_media":7291,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"product_category":[36,35],"product_categories_new":[126],"class_list":["post-1117","product","type-product","status-publish","format-standard","has-post-thumbnail","hentry","product_category-s-series-single-output-power-supply","product_category-enclosed-switching-power-supply","product_categories_new-s-series","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product\/1117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/comments?post=1117"}],"version-history":[{"count":2,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product\/1117\/revisions"}],"predecessor-version":[{"id":18347,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product\/1117\/revisions\/18347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/media\/7291"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/media?parent=1117"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product_category?post=1117"},{"taxonomy":"product_categories_new","embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product_categories_new?post=1117"}],"curies":[{"name":"wp c\u1ee7a t\u00f4i","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}