Pressure controller
450 psig | PS1 Emerson Flow Controls

PS1 Single Pressure Controls are designed for use on high and
low pressure applications in refrigeration and heat pump systems.
By operating a set of electrical contacts, pressure is kept inside a
certain limit.
Features
• Adjustable pressures and differentials
• Narrow adjustable differential depending on model
• Range and differential pointer in units bar and psig
• Range and differential individually lockable by wire seal
• High rated SPDT contacts for all versions
• Captive terminal and cover screws
• Manual toggle for system checkout and override
• Factory installed wire bridge for reduced installation effort
Specifications
• SPDT switch rated for 120 VAC/240VAC at 24FLA and
144 LRA
• Agency approvals include: UL/CUL fi le number E85974,
VDE 0631/0660, TÜV, CE 73/23/EWG, CE 93/68/EWG
• Low and high pressure versions available with TÜV
approval according to EN 12263 (supercedes DIN 32733)
to meet requirements of DIN 8901 and EN378
(supercedes DIN 8975)