{"product_id":"allen-bradley-1336-pb-sp2c-circuit-board","title":"Allen-Bradley 1336-PB-SP2C Precharge Circuit Board","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1336-PB-SP2C is a precharge printed circuit board (PCB) designed for use within the 1336 series variable frequency drive systems. This component serves as a critical spare part for managing the DC bus precharge sequence, ensuring that inrush currents are limited during the initial power-up phase of the drive to protect internal capacitors and power electronics.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOriginal Allen-Bradley replacement component\u003c\/li\u003e\n\u003cli\u003eSpecifically designed for 1336 series drive architecture\u003c\/li\u003e\n\u003cli\u003eFacilitates controlled DC bus charging to prevent component stress\u003c\/li\u003e\n\u003cli\u003eDirect replacement for specified 1336 drive configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis precharge board is utilized in industrial motor control applications where 1336 series drives are deployed. It is typically required during maintenance or repair of drives experiencing precharge circuit failures or DC bus charging faults.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1336-PB-SP2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Model \/ Ref\u003c\/td\u003e\n\u003ctd\u003e74101-502-57\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Type\u003c\/td\u003e\n\u003ctd\u003ePrecharge PC Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the drive is fully disconnected from all power sources and that the DC bus capacitors have been verified as discharged before attempting to access the internal electronics.\u003c\/li\u003e\n\u003cli\u003eUse proper Electrostatic Discharge (ESD) protection, such as a grounded wrist strap, when handling the circuit board to prevent damage to sensitive components.\u003c\/li\u003e\n\u003cli\u003eCarefully align the board with the mounting standoffs and ensure all connectors are fully seated before re-applying power.\u003c\/li\u003e\n\u003cli\u003eVerify that no loose debris or foreign objects remain inside the drive chassis after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this part still in production?\u003c\/h3\u003e\u003cp\u003eNo, the 1336-PB-SP2C has been discontinued by the manufacturer. We provide this as a high-quality spare part for legacy system support.\u003c\/p\u003e\u003ch3\u003eWhat is the function of the precharge board?\u003c\/h3\u003e\u003cp\u003eThe precharge board limits the initial inrush current when the drive is energized, preventing damage to the input rectifiers and DC bus capacitors.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50915152888060,"sku":"1336-PB-SP2C","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_2002abbf-5f67-4e84-8281-dfca5c186f15.jpg?v=1785814410","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1336-pb-sp2c-circuit-board","provider":"Electronic PLC","version":"1.0","type":"link"}