--- title: NPL-W url: "https://www.wittenstein-group.com/en-us/product/npl-w" date: 2026-02-12 modified: 2026-02-24 lastUpdated: 2026-04-13 --- # NPL-W alpha Value Line Planetary gearbox Designed to deliver optimal performance while withstanding mildly corrosive environments, the NPL-W is IP65 rated, with food-grade lubrication and corrosion resistant components. Based on the NPL gearbox from our Value Line, the NPL-W model delivers economical value with application-specific performance. Downloads ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/6/a/csm_MAIN_IMAGE_NPL-W_e410aaa1c4.webp) ### 3 – 100 Ratio ### 40.8 – 640 Nm Max. torque ### ≤ 8 – 10 arcmin Backlash [ Technical details ](#tech-details) [ Further information ](#further-info) [ Related products ](#related) [ Request consultation ](#consultation) ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/73-corrosionResistance.svg) ###### Reliable corrosion resistance Designed for operation in mildly corrosive environments, the NPL-W provides reliable and consistent performance under demanding conditions. ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/60-1-costEffectiveness.svg) ###### High cost-effectiveness Economical to purchase, efficient to operate, and maintenance-free throughout their entire service life – alpha Value Line gearboxes offer maximum cost efficiency ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/3-4-robust.svg) ###### Robust and efficient The NPL planetary gearbox features robust bearings and precise B14 output geometry—delivering reliable performance that impresses. As part of the alpha Value Line, it offers maximum efficiency at an optimal price-performance ratio. - Technical data - Available options - Downloads | Product type | | NPL-W | |---|---|---| | Design | | MF; MA | | Ratio | | 3 – 100 | | Number of sizes | | 4 | | Max. backlash c) | jt | ≤ 8 – 10 arcmin | | Max. torque | T2α | 40.8 – 640 Nm | | Max. input speed | n1Max | 8000 rpm | | c) In relation to reference sizes | | **Output shape** | | |---|---| | Smooth shaft | ✓ | | Shaft with key d) | ✓ | | **Input shape** | | | Motor-mounted | ✓ | | **Characteristic** | | | Food-grade lubrication | ✓ | | Corrosion-resistant | ✓ | | **System solutions** | | | Linear system (rack / pinion) | ✓ | | **Accessory** (for more information, see the relevant product pages) | | | Coupling | ✓ | | d) Performance reduction: Technical data available upon request; please contact WITTENSTEIN alpha | | Document name | Document type | Language | Downloads | |---|---|---|---| | ![alpha Value Line – NPL-W Corrosion Resistant Gearbox](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-VALUE-LINE-NPL-W-US-5da9d9d49337.webp "Technical data / Dimension sheets NPL-W") Technical data / Dimension sheets NPL-W alpha Value Line – NPL-W Corrosion Resistant Gearbox | Brochure /Catalog | Neutral | [ Download (4 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4841&dl=1&st=1739&lg=0&token=3a9d8f412a0bb988feb12825be74521873e66f86)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=4841&st=1739&lg=0&token=3bc363efdfc0545390e7ecda2edc02d2448e9b28) | | ![Technical documents CP, CPS, CPK, CPSK, NP, NPL, NPS, NPT, NPR, NTP, NPK, NPLK, NPTK, NPRK](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-NP-NPK-NPL-NPLK-NPR-NPRK-NPS-NPSK-NPT-NPTK-NTP-CP-CPK-CPS-CPSK-ea25c5cc4d41.webp "alpha Value Line / alpha Basic Line") alpha Value Line / alpha Basic Line Technical documents CP, CPS, CPK, CPSK, NP, NPL, NPS, NPT, NPR, NTP, NPK, NPLK, NPTK, NPRK | Operating manual | Neutral | [ Download (3 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3321&dl=1&st=1739&lg=0&token=42f5985a1ce2b3567fe78a37fec8fbf9b55c5d16)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=3321&st=1739&lg=0&token=985ed6e750bb9fd85c0169596c7319737296e33a) | | Ordering code / CAD data NPL | CAD / CAE | Neutral | [ Open in viewer ](https://cad-point.wittenstein-group.com/GearDetails/NPL) | ![](https://www.wittenstein-group.com/fileadmin/_processed_/9/c/csm_logo-sculpture_e38190faf6.webp) Contact us ------------ Would you like to learn more about our solutions? We would be happy to advise you—personally, competently, and tailored to your requirements. [info@wittenstein-us.com](#) [ 1 630 540-5300 ](tel:16305405300) [ To the contact form ](https://www.wittenstein-group.com/en-us/contact-locations/contact) ![](https://www.wittenstein-group.com/fileadmin/_processed_/5/c/csm_MAIN_IMAGE_NPL-W_1a4754bb67.webp) NSF H1 registered food-grade lubrication for incidental food contact Stainless steel output shaft Nickel-plated housing Fully painted from output flange thru the adapter plate with white or grey epoxy paint IP65 protection against water and dust incress Stainless steel locking screw ### cynapse® & smart services ### Accessories ![](https://www.wittenstein-group.com/fileadmin/_processed_/f/9/csm_cynapse-produkseite-element_slider_3783d47093.webp) With cynapse® and smart services, you can unleash the full potential of your drive system: sensor data is processed, visualized, and analyzed intelligently. Find out how the combination of gearboxes with cynapse® and our smart services can make your digital production faster, safer, and more efficient. [Read more](https://www.wittenstein-group.com/int-en/products/software-and-digitalization/cynapse-smart-services) ![](https://www.wittenstein-group.com/fileadmin/_processed_/3/0/csm_ELASTOMER-COUPLING-IMAGE-tabmodule_3a6e5abaa1.webp) Optimization of your value chain: Utilize the combination of gearboxes and accessories in a complete package to streamline your internal processes. Find suitable elastomer couplings for our products. [Read more](https://www.wittenstein-group.com/int-en/elastomer-couplings) Related products ------------------ ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/b/f/csm_NPL-IMAGE_a28556993a.webp)##### [ NPL ](https://www.wittenstein-group.com/en-us/product/npl) alpha Value Line Ratio3 – 100Max. torque51 – 800 NmBacklash≤ 8 arcmin ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-AssetsPublic/SP-PLUS-IMAGE.PNG)##### [ SP+](https://www.wittenstein-group.com/en-us/product/sp) alpha Advanced Line Ratio3 – 100Max. torque48 – 5700 NmBacklash≤ 1 – 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/9/7/csm_HDV-IMAGE_dad087db01.webp)##### [ HDV ](https://www.wittenstein-group.com/en-us/product/hdv) alpha Value Line Ratio4 – 100Max. torque46 – 320 NmBacklash≤ 10 arcmin ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-AssetsPublic/HDP-PLUS-IMAGE.PNG)##### [ HDP+](https://www.wittenstein-group.com/en-us/product/hdp) alpha Advanced Line Ratio22 – 55Max. torque252 – 466 NmBacklash≤ 1 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/7/4/csm_AXENIA-VALUE-IMAGE_f129d75f32.webp)##### [ axenia value ](https://www.wittenstein-group.com/en-us/product/axenia-value) alpha Value Line Ratio10 – 25Max. torque20.2 – 200 NmBacklash≤ 10 arcmin