Retrofit Kits

Littelfuse designs and manufactures essential products to address customer needs for protection, safe control, and optimal distribution of electrical power in industrial applications. The Protection Relays product portfolio includes 12 accessory retrofit kits that are an excellent choice when upgrading technology of existing systems to improve efficiency and performance. The PGK family of retrofit kits can be used for a variety of systems including motor protection, ground-fault protection, and ground-check systems. Browse the Littelfuse selection of retrofit kits to find the one specific to your requirements.