Manufacturer: FEMA DWAM16-576 FEMA Maximum pressure monitor of 'special construction' (DA) Maximum pressure monitor with selfmonitoring sensor for steam and hot water Kind of pressure: overpressure, relative Pressure connection: internal thread G1/4, external thread G1/2 Electrical connection: Plug DIN EN 175301 Protection class: IP54 Housing material: rugged housing of seawater resistant aluminium die casting GD Al Si 12 Sensing element material: 1.4104 + 1.4571 Media temp.: -20...70C Media temp. limit: temperatures up to 85 °C are allowable for short periods. Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters) Ambient temperature: -20...70C Ambient temp. limit: at temperatures below 0 °C, ensure that no water condensation can arise in the sensor and in the switching device Switch function/capacity: SPDT Microswitch 250 Vac; capacity 5 A inductive, 8 A resistive Optional functions: add the type numbers below to the listed type numbers for extra functionality as described -213: gold-plated contacts, switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA. And others not available with adjustable switching difference. -301: terminal connection housing, IP65 -513: Gold-plated contacts, single-pole switch-over. Switching differential permanent. IP65. Switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA, suitable isolating switching amplifier necessary, degree of protection Ex-i