(UL, cUL, and CSFM Listed, FM and LPC Approved, NYMEA
Accepted, CE Marked Pending)
Dimensions: 3.78" (9.6cm)W x 3.20" (8.1cm)D x 4.22" (10.7cm)H                                  
       
Enclosure:    Cover- Die-cast with textured red powdercoat fi   nish,  single
                       cover screw and rain lip.         
        Base- Die-cast                                                  
Pressure Connection: Nylon 1/2" NPT male
Switch Contacts:  SPDT (Form C) 
                               10.1 Amps at 125/250VAC, 2.0 Amps at 30VDC
                               One SPDT in PS120-1, Two SPDT in PS120-2
Environmental Specifi  cations:     
  NEMA 4/IP55 Rated Enclosure - indoor or outdoor when used
  with NEMA 4 conduit fi  ttings.
  Temperature range: -40°F to 140°F (-40°C to 60°C)  
Pressure Range:  25-175 PSI (1,7 - 12,1 BAR)
Differential:  Typical 2 lbs. at 25 PSI (0,14 at 1,7 BAR)             
       8 lbs at 175 PSI (55 at 12,1 BAR)
Maximum System Pressure:  300 PSI (20,68 BAR)
Factory Adjustment: PS120-1 operates on decrease at 110 PSI (7,6 BAR)
PS120-2 operates in increase at 130 PSI (9 BAR) and
on decrease at 110 PSI (7,6 BAR)
Conduit Entrance: Two knockouts provided for 1/2" conduit. Individual
switch compartments and ground screw suitable for
dissimilar voltages

PS120-1  Pressure switch with one set 
 SPDT contacts
PS120-2  Pressure switch with two sets
 SPDT contacts 
  Hex Key                                
  Cover Tamper Switch Kit     
BVL  Bleeder valve