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Protection Class : General Purpose Snap Switch; NEMA 1 Enclosure
Application : Monitoring and controlling air filters, fans, blowers, and duct systems
Function : Detects and switches on/off at selected pressure differential
Color : Gray
Output Signal : SPDT Snap Switch
Working Temperature : 30 to 150F (34 to 65C)
Protection Class : IP54 (with cover) or open type
Application : HVAC, air handlers, filter monitoring, duct static pressure, fan and blower equipment
Function : Differential Pressure Sensing & Switching
Color : Grey/Silver
Output Signal : SPDT snap switch
Working Temperature : 20 to 85 C
Protection Class : NEMA 1 (IP20)
Application : Air and noncombustible, compatible gases in HVAC, filter monitoring, fan control, or airflow proofing systems
Function : Senses low differential air pressure and actuates switching
Color : Grey/Black
Output Signal : Singlepole, doublethrow (SPDT) snap switch
Working Temperature : 30 to 140F (34 to 60C)
Protection Class : IP54
Application : Monitoring and controlling air and noncombustible gases in ducts, fan, and blower applications
Function : Pressure switch activates at adjustable setpoint
Color : Grey
Output Signal : SPDT (SinglePole DoubleThrow) switch contact
Working Temperature : 40 to 180F (40 to 82C)