Differential pressure switch CE/UL/FM series

for water

Description • Origin: System Sensor® • The EPS40 series switches are designed for use in dry pipe systems or pressure tanks and water pressure supplies of automatic water control valves. • The EPS40.1 has a single SPDT switch while the EPS40.2 model contains two SPDT switches. • Sensitivity adjustment wheel do not require special tools and can be set by hand. • Reinforced diaphragm resists pressure spikes. • All models are factory set for use in nominal 2.6 bars system. • The EPS40-1 is factory set to respond at 2.07 bars at decreasing pressure. • The EPS40.2 is factory set to respond at 3.45 bars on rising pressure and 2.07 bars at decreasing pressure. Technical specifications • Maximum operating pressure: 17.2 bars • Differential: approximately 0.2 @ 0.69 bars, 0.41 @ 6.89 bars • Maximum adjustment pressure range: 0.69 to 6.89 bars • Factory setting for EPS10.1: operates at decreasing pressure at 2.07 bars • Factory setting for EPS40.1: operates at decreasing pressure at 2.07 bars and increasing pressure at 3.45 bars • Pressure connexion: 1/2" NPT male • Switch contact rating: EPS40.1: 1 set SPDT • Switch contact rating EPS40.2: 2 sets SPDT 10.0 A @ 125/250 V - 2.4 A @ 6/12/24 V • Dimensions: 130x840x108 mm Weight: 0.54 kg • Operating temperature range: -40°C to +70°C • Rated UL4x, NEMA 4 for indoor or outdoor use