Our Bulletin 817S Thermistor Monitoring Relays protects equipment from over-temperature conditions and offers supplementary motor protective functions that you can easily add and apply to your motor control circuits.
- Product Selection
- Overview
- Documentation
Overview
Typical applications for Bulletin 817S Thermistor Monitoring Relays include:
- Blowers
- Compressors
- Conveyors
- Cutting and Drilling Machines
- Fans
- Mixers
- Pumps
- VFD-Controlled Motors

Certifications
- cULus Listed — File No. E14840; Guide Nos. NKCR, NKCR7
Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.
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Documentation
Technical Specifications | Publication |
---|---|
Supplemental Motor Protection Devices Specifications | 809S-TD001_-EN-P |
Installation Instructions | Publication |
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817S Thermistor Relays Installation | 817S-IN001_-MU-E |
Miscellaneous | Publication |
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Motor Protection Solutions Brochure | 193-BR029_-EN-P |