This 3 HP relay with harness is designed to use with Zodiac Jandy Power Center models 6613, 6614-LD, 6612F, Ji 2000 and AquaSwitch Standard Power Center models 7300, 7488 and also compatible with Breaker Mount Plate model 6614, Pool Link Dual Timer Module model PLINK and Sol 1000. This relay can be used to remotely turn on and off pumps up to 3 horsepower.