604 mechanical pressure switches Type 604 pressure switch is used as a △p flow switch in ventilation ducts for the control of filters and fans and in primary and secondary control systems for the control of air dampers. Ideally suited to protect heating coils from overheating and for monitoring industrial air cooling circuits. General features: To monitor air filters and air flow Various pressure ranges on request Easy to install, user friendly snap cover Supplied with Combi-bracket for vertical or horizontal installation Case geometry permits easy cable entry – cable strain relief integrated For ventilation and air conditioning plants (monitor differential pressure under/over pressure) SERIES Type 604 PRESSURE RANGE (MBAR) 5 … 20 PRESSURE RANGE (PA) 500 .. 2000 SWITCH 1 changeover ELECTRICAL CONNECTION Screw terminal DESCRIPTION Mechanical pressure switch PRESSURE CONNECTION 6.2 mm (PVC nipple) INDEX PROTECTION IP IP54 (with cover) MEDIUM Air and neutral gases -30 … +85 °C ELECTRICAL CONTACT 1 x changeover contact – 5A 250 VAC (resistive) DIMENSIONS (MM) (H) 52 x () 81 CONFORMITY EN 61326-2-3, EN 60730-1
MECHANICAL PRESS. SWITCH
Flow sensors & Switches
ElectroMechanica
604.94
