Siemens Heat Detector FDT421

Description

Intelligent Thermal (Heat) Detector provides an advanced method of detection, address programming and supervision ņ combined with sophisticated FACP communication. Provides seven (7) field-selectable temperature-range settings: 135°F (57°C) ņ 174°F (79°C) with fixed and rate-of-rise programmability. This variance provides the customer with maximum flexibility to program the temperature settings to suit multiple application needs and changing environmental conditions.