{"title":"BOCHU BOCI Lower Protective Lens Cartridge","description":"\u003cp\u003eBOCHU BOCI lower protective lens cartridges are grouped here for the lower protective-window position in compatible BLT laser cutting heads. Compare the cartridge structure, complete BOCHU part number, protective-lens specification and matching cutting-head model on each product page. The lower position is distinct from upper and second-upper positions; for the second-lower position, see \u003ca href=\"https:\/\/www.bochu.store\/collections\/bochu-boci-2nd-lower-protective-lens-cartridge\"\u003e2nd-Lower Protective Lens Cartridges\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"bochu-original-lower-protective-lens-cartridge","title":"BOCHU BOCI Lower Protective Lens Cartridge","description":"\u003cp\u003eOriginal BOCHU BOCI lower protective-lens cartridges for the listed BLT configurations. Confirm the lower position, complete BOCHU part number, BLT model and any focal length or optical specification listed for the configuration.\u003c\/p\u003e\u003cdiv class=\"product-downloads\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0716\/2930\/7940\/files\/BLT4_Series_Intelligent_Cutting_Head_Lower_and_Second_Lower_Protective_Window_Cartridge_Replacement_Guide_V1.0.pdf?v=1768986092\" target=\"_blank\" rel=\"noopener\"\u003e Download BLT4 Series Intelligent Cutting Head Lower and Second Lower Protective Window Cartridge Replacement Guide V1.0\u003c\/a\u003e\u003c\/div\u003e\r\n\u003ch2\u003ePart Numbers and Matching Models\u003c\/h2\u003e\r\n\u003ctable style=\"border-collapse: collapse; width: 559px;\" border=\"0\" width=\"821\" cellspacing=\"0\" cellpadding=\"0\"\u003e\r\n\u003ccolgroup\u003e\r\n\u003ccol style=\"width: 199.5px;\" width=\"281\"\u003e\r\n\u003ccol style=\"width: 358.5px;\" width=\"539\"\u003e\r\n\u003c\/colgroup\u003e\r\n\u003ctbody\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et4\" style=\"height: 25.00pt; width: 211.30pt;\" width=\"281\" height=\"33\"\u003ePART NUMBER\u003c\/td\u003e\r\n\u003ctd class=\"et4\" style=\"width: 404.95pt;\" width=\"539\"\u003eMATCHING MODEL\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0208AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT310、BLT310T(200 Focal Length)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0293AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT310T(250 Focal Length)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 46.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 46.00pt;\" height=\"61\"\u003eP.S.M0230\u003c\/td\u003e\r\n\u003ctd class=\"et11\" style=\"width: 404.95pt;\" width=\"539\"\u003eBLT420、BLT420S、BLT440F、BLT421、BLT441、BLT421T、BLT441T、BLT442、BLT442P、BLT442T\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0250AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT421S、BLT421TS\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 35.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 35.00pt;\" height=\"46\"\u003eDP.M.Q0044AA\u003c\/td\u003e\r\n\u003ctd class=\"et12\" style=\"width: 404.95pt;\" width=\"539\"\u003eBLT460F、BLT461、BLT462、BLT461T、BLT462P、BLT462T\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0053AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT481、BLT482、BLT482P、BLT980MA\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0135AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT4101、BLT4102、BLT4102P、BLT9100MA\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0361AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT4122、BLT9120MA\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0345AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT510、BLT520\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0122AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT520H、BLT540H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0225AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT560H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 39.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 39.00pt;\" height=\"52\"\u003eP.S.M0131\u003c\/td\u003e\r\n\u003ctd class=\"et12\" style=\"width: 404.95pt;\" width=\"539\"\u003eBLT640、BLT641、BLT641H(15KW)、BLT642H、BLT643H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 41.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 41.00pt;\" height=\"54\"\u003eDP.M.Q0018AA\u003c\/td\u003e\r\n\u003ctd class=\"et12\" style=\"width: 404.95pt;\" width=\"539\"\u003eBLT661、BLT661H(Including BLT641H(20KW))、BLT662H、BLT662MA、BLT663H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0030AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT681H、BLT682H、BLT682MA、BLT683H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0088AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT6101H、BLT6102H、BLT6102MA、BLT6103H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0268AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT6120H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0143AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT840H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0285AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLT860H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0307AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLTA140M\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr style=\"height: 25.00pt;\"\u003e\r\n\u003ctd class=\"et8\" style=\"height: 25.00pt;\" height=\"33\"\u003eDP.M.Q0317AA\u003c\/td\u003e\r\n\u003ctd class=\"et8\"\u003eBLTA180M\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003ch2\u003eHow to Select the Correct Configuration\u003c\/h2\u003e\u003cp\u003eConfirm the lower position, then match the complete part number, BLT model and any listed focal length or optical specification. Do not generalize a focal value to variants where it is not listed.\u003c\/p\u003e\u003ch2\u003eWhy Correct Selection Matters\u003c\/h2\u003e\u003cp\u003eA listed focal configuration can distinguish otherwise similar cartridges.\u003c\/p\u003e\u003ch2\u003eWhy Buy From BOCHU.store\u003c\/h2\u003e\u003cp\u003eThe existing 20 mappings are retained for configuration verification.\u003c\/p\u003e\u003ch2\u003eQuick Answers\u003c\/h2\u003e\u003ch3\u003eCan I choose by appearance?\u003c\/h3\u003e\u003cp\u003eNo. Use the current mapping and identification evidence.\u003c\/p\u003e\u003ch3\u003eDo listed 200 \/ 250 distinctions matter?\u003c\/h3\u003e\u003cp\u003eYes, where the current mapping lists them.\u003c\/p\u003e\u003ch3\u003eWhat evidence confirms the part?\u003c\/h3\u003e\u003cp\u003eUse the label, nameplate or existing technical table.\u003c\/p\u003e\u003cp\u003eBrowse \u003ca href=\"https:\/\/www.bochu.store\/collections\/bochu-boci-lower-protective-lens-cartridge\"\u003eLower Protective Lens Cartridges\u003c\/a\u003e.\u003c\/p\u003e","brand":"BOCHU","offers":[{"title":"DP.M.Q0208AA","offer_id":42389382332452,"sku":null,"price":70.6,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0293AA","offer_id":42389382365220,"sku":null,"price":70.6,"currency_code":"USD","in_stock":true},{"title":"P.S.M0230","offer_id":42389382397988,"sku":null,"price":141.2,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0250AA","offer_id":42389382430756,"sku":null,"price":88.2,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0044AA","offer_id":42389382463524,"sku":null,"price":247.1,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0053AA","offer_id":42389382496292,"sku":null,"price":317.6,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0135AA","offer_id":42389382529060,"sku":null,"price":335.3,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0361AA","offer_id":42389382561828,"sku":null,"price":388.2,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0345AA","offer_id":42389382594596,"sku":null,"price":158.8,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0122AA","offer_id":42389382627364,"sku":null,"price":282.4,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0225AA","offer_id":42389382660132,"sku":null,"price":335.3,"currency_code":"USD","in_stock":true},{"title":"P.S.M0131","offer_id":42389382692900,"sku":null,"price":176.5,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0018AA","offer_id":42389382725668,"sku":null,"price":247.1,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0030AA","offer_id":42389382758436,"sku":null,"price":282.4,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0088AA","offer_id":42389382791204,"sku":null,"price":335.3,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0268AA","offer_id":42389382823972,"sku":null,"price":388.2,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0143AA","offer_id":42389382889508,"sku":null,"price":176.5,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0285AA","offer_id":42389382922276,"sku":null,"price":247.1,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0307AA","offer_id":42389382955044,"sku":null,"price":423.5,"currency_code":"USD","in_stock":true},{"title":"DP.M.Q0317AA","offer_id":42389383020580,"sku":null,"price":529.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/2930\/7940\/files\/bochu-boci-lower-protective-lens-cartridge-785.webp?v=1785128495"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/2930\/7940\/collections\/BOCHU_Lower_Protective_lens_Cartridge_0161885d-7dcb-4bb4-842e-7f8319006f7b.jpg?v=1785128364","url":"https:\/\/www.bochu.store\/en-sa\/collections\/bochu-boci-lower-protective-lens-cartridge.oembed","provider":"BOCHU Online Store","version":"1.0","type":"link"}