The 5600 series offers a full-line of configurations to accommodate a broad range of applications. Both single and dualcircuit models are available for low and high temperature ratings with either fixed temperature or combination fixed temperature rate of rise (ROR) activation. The ROR element of the fixed/ ROR models is restorable to accommodate field testing. Also known as -System Sensor By Honeywell-Us 194 FXD/ ROR 1 CIRCUIT HEAT DET - BK-5602