Description
PSW-100 General Purpose Pressure Switches, In NEMA-4X Enclosures
OMEGA’s affordable, general purpose pressure switches offer distinct advantages over most similar style switches, including DPDT or adjustable deadband switches, as well as a wide selection of adjustable ranges from 0.5 inH2O to 3000 psi.
SPECIFICATIONS
Approval: UL listed,
Storage Temperature: -55 to 70°C (-67 to 158°F)
Process Temperature:
Stainless Steel: -55 to 205°C (-67 to 401°F)
Phosphor Bronze: -40 to 150°C (-40 to 302°F)
Buna-N: -25 to 95°C (-13 to 203°F)
Ambient Temperature: -40 to 70°C (-40 to 158°F), except models PSW-107 to PSW-117 and PSW-134 to PSW-139: -20 to 70°C (-4 to 158°F). Setpoint typically shifts less than 1% of range for a 30°C (54°F) ambient temperature change.
Shock: Setpoint repeats after 15 g, 10 ms duration.
Vibration: Setpoint repeats after 2.5 g, 5 to 500 Hz
SetPoint Repeatability: All models ±1% of adjustable range, except models PSW-118 to PSW-125 and PSW-132 to PSW-133 are ±1.5%
Switch Output: One SPDT or DPDT switch may be wired normally open or normally closed
Electrical Rating: Standard 15 A 125/250/480 Vac resistive External Manual Reset: 15 A 125/250 Vac resistive Double Pole Double Throw: 10 A 125/250 Vac resistive
Enclosure: Die cast aluminum (max. 0.6% copper). Epoxy-coated blue enclosure, gasketed, complies with NEMA-4X
Weight: Approximately 0.9 kg (2 lb)
Electrical Connection: 1/2 NPT and Two 7/8″ diameter knockouts
Dimensions: 191 max H x 101 W x 60 mm D (7.5 max 4 x 2.3″)
Buna-N Diaphragm and O-Ring, 1/4 FNPT Nickel-Plated Brass Pressure Connection
PSW-110 : 3 to 100 psi switch with Buna-N diaphragm & O-ring, 600 psi proof pressure, 1/4 NPTF fitting, and 10 Amp DPDT switch
PSW-111 : 3 to 100 psi switch with Buna-N diaphragm & O-ring, 600 psi proof pressure, 1/4 NPTF fitting,15 Amp SPDT switch and adjustable dead band
PSW-112 : 9 to 300 psi switch with Buna-N diaphragm & O-ring, 600 psi proof pressure, 1/4 NPTF fitting and 15 Amp SPDT switch
PSW-114 : 15 to 500 psi switch with Buna-N diaphragm & O-ring, 2500 psi proof pressure, 1/4 NPTF fitting and 15 Amp SPDT switch
PSW-115 : 15 to 500 psi switch with Buna-N diaphragm & O-ring, 2500 psi proof pressure, 1/4 NPTF fitting,15 Amp SPDT switch and adjustable dead band
PSW-116 : 15 to 500 psi switch with Buna-N diaphragm & O-ring, 2500 psi proof pressure, 1/4 NPTF fitting,15 Amp SPDT switch and external manual reset
PSW-117 : 30 to 1000 psi switch with Buna-N diaphragm & O-ring, 2500 psi proof pressure, 1/4 NPTF fitting and 15 Amp SPDT switch
Buna-N Diaphragm, O-Ring and 1/2 FNPT Aluminum Pressure Connection
PSW-135 : +/- 10 in H2O pressure switch with Buna-N diaphragm & O-ring, 100 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
PSW-136 : +/- 50 in H2O pressure switch with Buna-N diaphragm & O-ring, 100 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
PSW-138 : 2.5 to 50 in H2O pressure switch with Buna-N diaphragm & O-ring, 100 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
316 SS Diaphragm and 1/2 FNPT Pressure Connection
PSW-104 : 1 to 20 psi switch with 316SS, 500 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
PSW-105 : 2 to 50 psi switch with 316SS, 500 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
PSW-118 : 5 to 30 psi switch with 316SS, 2500 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
PSW-120 : 10 to 100 psi switch with 316SS, 2500 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
PSW-121 : 15 to 300 psi switch with 316SS, 2500 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
PSW-123 : 15 to 300 psi switch with 316SS, 2500 psi proof pressure, 1/2 NPTF fitting, 15 Amp SPDT switch and adjustable dead band
PSW-124 : 20 to 500 psi switch with 316SS, 2500 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
PSW-125 : 80 to 1700 psi switch with 316SS, 2500 psi proof pressure, 1/2 NPTF fitting and 15 Amp SPDT switch
Phosphor Bronze Bellows and 1/4 FNPT Pressure Connection
PSW-127: 30 to 0 in Hg vacuum switch with Phosphor bronze bellows, 0 psi proof pressure, 1/4 NPTF fitting and 15 Amp SPDT switch
303 SS Piston, Buna O-Ring and 1/4 FNPT Pressure Connection
