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.
This relay includes two relays, one normally open contact, and one normally closed contact. It is designed for DIN-rail mounting and features a power consumption of 1.5 VA. The rated insulation voltag
This thermistor relay functions at a rated current of 5 amps, making it suitable for most applications. It features a frequency range of 50 to 60 Hz and uses a thermistor sensor for input. The relay h
This thermistor overload relay has a continuous thermal current rating of 4 amperes and a maximum operational current of 3 amperes. It features a sturdy automatic reset mechanism and offers protection
The 817-MD model is equipped with both normally closed (N.C.) and normally open (N.O.) output contacts for flexible control options. It operates effectively with frequency ratings between 50 and 60 Hz
This model includes a DIN-rail mounting design and is suitable for input frequency ranges between 50 Hz and 60 Hz. Additionally, it is equipped with one normally open and one normally closed contact,