{"type":"product","schema_version":"1.0","item_id":"100304572051","canonical_url":"https://tw.bid.yahoo.com/item/100304572051","title":"【UCI電子】(二A-3 )  42步進馬達電機 NEMA17 17HS3401 3401S","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-30T17:12:20.578Z","current_price":250,"original_price":null,"stock_status":"in_stock","available_quantity":61,"sold_quantity":12,"seller":{"id":"Y3083175903","name":"㊣UCI電子㊣ 專營電子零件.模組","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/02485aac-cab9-415a-88e9-68aea91ff294.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/ab05b91e-b0e3-44b4-8881-2faba51e3bce.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/cb49246c-8dfb-4efd-a983-19e68202e242.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/39d60bc3-4e4e-4917-86e0-ff105465377f.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"型號：17HS3401S\n\n特點：\n\n★低噪音\n\n★低發熱\n\n★運行平穩\n\n★加速性能好\n\n電機基本參數：\n\n步矩角： 1.8° 相電流： 1.3A\n\n相電阻： 2.4歐姆 相電感：2.8mH\n\n保持轉矩：30N.cm 制動力矩:1.6N.cm\n\n轉子慣量：34g.cm2 引線數目：4\n\n電機重量：440g 機身長：34mm\n\n•步角距精度：±5%（整步，空載）\n\n•電阻精度：±10%\n\n•電感精度：±20%\n\n•溫升：80度 C Max。\n\n•使用環境溫度：-20 - 50 攝氏度\n\n•絕緣電阻：100M歐Min 500VDC\n\n•電氣強度：820VAC 一分鐘\n\n•徑向間隙：0.02Max （450g 負載）\n\n•軸向間隙：0.08Max （450g 負載）\n\n•適配驅動器：兩相步進驅動器\n\n電機線長300mm ， 軸5mm 帶扁位 ， 軸長20mm","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092064025","category_name":"其他","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092064025","name":"其他","url":"/tw/%E5%85%B6%E4%BB%96-2092064025-category.html"}],"view_count":0,"watch_count":9,"hashtags":["42步進","步進電機","3D印表機"]}