{"product_id":"new-osaki-electric-power-module-hd-12sy-daqi-motor-rectifier-ac200dc90v-ac100v-dc45v","title":"OSAKI Electric Power Module HD-12SY Daqi Motor Rectifier AC200DC90V AC100V DC45V","description":"\u003c!-- SEO Introduction --\u003e\n\u003cdiv class=\"koeed-container\"\u003e\n  \u003ch2 style=\"color: #0056b3; border-left: 5px solid #16c8c8; padding-left: 15px;\"\u003eOSAKI (Daqi) HD-12SY Motor Brake Rectifier Power Module\u003c\/h2\u003e\n  \u003cp\u003eThe \u003cstrong\u003eOSAKI HD-12SY\u003c\/strong\u003e (often associated with Daqi Motor systems) is a heavy-duty, half-wave power rectifier module specifically designed for electromagnetic motor brakes. By reliably converting alternating current (AC) into the direct current (DC) required to energize the brake coil, this power module ensures the rapid release and precise engagement of industrial motor brakes. Encapsulated in a highly durable, vibration-resistant epoxy resin, the HD-12SY is a critical replacement component for maintaining safe and efficient operations in high-cycle automated machinery.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eKey Applications:\u003c\/strong\u003e Hoists, overhead cranes, conveyor belt motors, elevator drive systems, and geared motors utilizing DC electromagnetic brakes.\u003c\/p\u003e\n\n  \u003c!-- Technical Specifications --\u003e\n  \u003ch3 style=\"color: #0056b3; margin-top: 25px;\"\u003eElectrical \u0026amp; Technical Specifications\u003c\/h3\u003e\n  \u003cdiv style=\"overflow-x: auto;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 600px; border: 1px solid #eeeeee;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #16c8c8; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #eeeeee;\"\u003eParameter\u003c\/th\u003e\n          \u003cth style=\"padding: 12px; text-align: left; border: 1px solid #eeeeee;\"\u003eSpecification Detail\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eBrand\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eOSAKI Electric (Daqi Motor)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eHD-12SY\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eRectification Type\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eHalf-Wave Rectifier (Vdc ≈ 0.45 × Vac)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eInput Voltage 1 (AC)\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e200V \/ 220V AC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eOutput Voltage 1 (DC)\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e90V \/ 99V DC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eInput Voltage 2 (AC)\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e100V \/ 110V AC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eOutput Voltage 2 (DC)\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e45V \/ 50V DC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eProtection Design\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eEpoxy Potting (Dustproof, moisture-resistant, and shock-absorbent)\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Application \u0026 Reliability --\u003e\n  \u003ch3 style=\"color: #0056b3; margin-top: 25px;\"\u003eDesign Reliability\u003c\/h3\u003e\n  \u003cul style=\"line-height: 1.6; color: #333333;\"\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color: #16c8c8;\"\u003eSurge Protection:\u003c\/strong\u003e Built-in internal suppression circuitry protects the internal diodes from voltage spikes generated when the inductive brake coil is de-energized.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color: #16c8c8;\"\u003eCompact Footprint:\u003c\/strong\u003e Designed to fit directly into standard motor terminal boxes, saving space and simplifying wiring.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color: #16c8c8;\"\u003eDual-Voltage Flexibility:\u003c\/strong\u003e Can be deployed in both 200V and 100V AC circuits, making it a versatile spare part for facility maintenance teams to keep in stock.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- Troubleshooting FAQ --\u003e\n  \u003ch3 style=\"color: #0056b3; margin-top: 25px;\"\u003eMaintenance \u0026amp; Troubleshooting FAQ\u003c\/h3\u003e\n  \u003cdiv style=\"background-color: #fafafa; border: 1px solid #eeeeee; padding: 15px; border-radius: 4px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eQ1: The motor is struggling to turn and making a humming noise. Is the rectifier bad?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e This is a classic symptom of the electromagnetic brake failing to release. Using a multimeter, carefully measure the AC input terminals on the HD-12SY to ensure it is receiving 200V (or 100V). If AC voltage is present, measure the DC output terminals. If there is 0V DC, the internal diodes of the rectifier are blown, and the module must be replaced.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eQ2: The rectifier frequently burns out. What causes this?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e Frequent rectifier failure is often caused by an issue with the brake coil itself. A shorted brake coil will draw excessive current, overheating and destroying the rectifier. Before installing a new HD-12SY, measure the resistance (Ohms) of the motor's brake coil to verify it is not shorted to ground or exhibiting abnormally low resistance.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eQ3: How do I wire this for faster brake engagement?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e For standard operation (slower, softer braking), switching is done on the AC supply side of the rectifier. If your application requires rapid, precise stopping (e.g., a lifting hoist), a contactor should be wired to interrupt the circuit directly on the DC output side between the rectifier and the brake coil.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- Structured Data (JSON-LD) --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I test if the OSAKI HD-12SY rectifier is broken?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the AC input with a multimeter to ensure power is reaching the module. Then, measure the DC output. If AC is present but DC output is 0V, the rectifier is faulty and requires replacement.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why does my motor brake rectifier keep burning out?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Frequent failures are usually caused by a shorted electromagnetic brake coil. Always test the brake coil's resistance with a multimeter before installing a new rectifier to prevent immediate re-failure.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How to wire the rectifier for faster motor braking?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For rapid brake engagement, wire the control contactor to interrupt the circuit on the DC output side of the rectifier, rather than switching the AC input.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"OSAKI","offers":[{"title":"Default Title","offer_id":44572824338617,"sku":"233994524019","price":54.15,"currency_code":"USD","in_stock":true}],"url":"https:\/\/koeed.com\/de\/products\/new-osaki-electric-power-module-hd-12sy-daqi-motor-rectifier-ac200dc90v-ac100v-dc45v","provider":"KOEED","version":"1.0","type":"link"}