The Bulletin 817 series is a series of thermistor protection relays. These relays monitor temperatures in and around motors accurately in critical applications. Bulletin 817 relays are available with automatic, manual, and remote resetting options. They support DIN Rail and panel mounting. The standard contact setup for the Bulletin 817 relays is 1 N.C. and 1 N.O. output contact. In many applications, the Bulletin 817 relays do not require any setups or adjustments before installation.
Browse available units in our catalog of Bulletin 817.