Siemens QP Series Low Gas and Air Pressure Switch Manual Reset

LED Lamp Indicators for QPx32 Series Pressure Switches, please see link below: Siemens Lamp Indicator for QPx32 Series Pressure Switches   Pressure Switches for Gas and Air QPx… series gas pressure switches detect high or low gas pressure conditions when used with natural gas, propane, butane, hydrogen, biogas, or air. Maximum operating pressure of 15 psig (1 bar) for all models when vented. Ventless operation to 7 psig (500 mbar) cULus and FM approved for natural gas, propane, butane, or air  Plastic used in switch body carries UL V0 flammability rating Compatible with hydrogen or hydrogen and natural gas mixtures Automatic reset and manual reset models available NEMA 4 rating for outdoor applications Temperature rating -40°F to 140°F (-40°C to 60°C) Mounts 1/2” flexible conduit fittings without adapters Built-in side test connection for manometer / pressure gauge  Extra low pressure ranges 0.2 -2”, and 0.8 – 4”.   Resources QP Series Pressure Switch Technical Literature QP Series Pressure Switch Cross Reference Chart