Fenwal Model 12-F27121-000-325 Detect-A-Fire has a set point of 325 fahrenheit and the contacts close on temperature rise. The 27121-325 series Fenwal Detect-A-Fire model is a vertical mount detection and release device for fire protection. The contacts are rated for 5 amps (125 VAC) and .5 Amps (125 VDC). The Code 12 Fenwal DAF is designed with rate compensation which accurately senses air temperature and activates at precisely the determined temperature chosen. The 27121 are mounted via a 1/2 14NPT thread into a junction box on the ceiling. The unit has 6 inch leads. The Fenwal 27121 series Detect-A-Fires are CE, UL, ULC, and FM certified. Explosion Proof ratings are Class I, Groups B, C and D; Class II, Groups E, F and G. Fenwal part number 12-F27121-000-325.