The KitchenAid Mixer Speed Phase Control Board W10538289 W10217542 is a pink 220V phase board designed for use with KitchenAid mixers. this component includes the necessary parts to control the speed of the mixer, providing power in the range of 220-240V. This product ensures a secure and reliable fit for your KitchenAid mixer, allowing for convenient and efficient mixing with your appliance. opened it realised it was the wrong 1. so has not been used.