The 1336-PB-SP20E board is an Allen-Bradley/Rockwell Automation spare part board. It is a precharge PC (printed circuit) board which is integrated into the main board of a variable frequency drive. The board is fully compatible with Allen-Bradley manufactured 1336, Impact, 1336 Plus II series drives. The main function of the precharge board is to control and minimize the flow of input current. It helps to protect the board and the attached drive from electrical damages. The 1336-PB-SP20E board comes with a 460 Volts AC voltage rating. The output power rating of the board ranges between 75 and 650 Horsepower. To operate and install the spare part PC board, the AC drive should be completely disconnected from the power and properly earthed.

The Allen-Bradley 1336-PB-SP20E PC board is compact in size. It has a minimal installation depth. It is easy to install into an adjustable frequency AC drive. The PC control board can communicate with other components of the drive by using the serial communication port located on the board. The PC board has no IP waterproof rating and it should be protected from water sprays and splashes by an enclosure. The 1336-PB-SP20E PC board has an operating temperature range between 0 and 50 degrees Celsius. The installation area should be free from all traces of electrostatic discharge. The area should also be free from dust, dirt, and other pollutants. The PC board meets all the safety specifications necessary to meet the EMC requirements. The module also meets the CE standards.