Hard start kit. Includes relay and motor capacitor. 208-240V. 88-108 MFD. 330VAC. Generally used on units up to 3 ton. If your lights dim everytime the a/c kicks on, you need a hard start kit. For use with both scroll and reciprocating compressors. Approved by all major compressor manufacturers. Replaces Nordyne 911298 and 912933 hard start kits.