Compact Switches for Pressure/Vacuum Ranges

PSW-495

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•	Watertight, Corrosion-Resistant Case
•	Reliable in Harsh Environments
•	Field Adjustable
View related products - Pressure Switches

OMEGA’s PSW495 series switches are designed to satisfy most industrial switch requirements. The actuators have been proven in more than 20 years of service worldwide. A selection of seal materials and single or dual SPDT hermetically sealed switches meet most switching applications.

SPECIFICATIONS
Switch: snap-action switch SPDT
Electrical: Hermetically sealed 11 A, 125/250 Vac; 5 A, 30 Vdc
Process Temperature: "B" - Buna-N : -18 to 66°C (0 to 150°F) "V" - FKM : -7 to 149°C (20 to 300°F) "T" - PTFE: -18 to 66°C (0 to 150°F) "S" - Stainless Steel Welded: -18 to 93°C (0 to 200°F)
Repeatability: ±1% Full Range
Proof Pressure: the greater of 1000 psi or 400% range
Deadband: See detailed spec sheet
Enclosure: Anodized aluminum body
Process Connection: 1 /2 NPT Female
Electrical Connections: 1 /2 NPT conduit fitting with #18 AWG 450 mm (18") insulated wire leads
Wetted Parts: 316 SS + seal material
Ambient Temperature Limits: -29 to 65°C (-20 to 150°F)
Dimensions: 156 H x 38 W x 38 mm D (6.4 H x 1.5 W x 1.5" D)
Weight: approximately 0.6 kg (1.32 lb)

For full product specifications view pdf file in "Related Links" below

To Order (Specify Model Number)

Part Number	Availability	Price	Description	Qty.
PSW495B-30VAC		Consult sales	4.5 to 30 in Hg adjsutable vacuum switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

PSW495B-30		Consult sales	4.5 to 30 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

PSW495B-60		Consult sales	9 to 60 psi adjsutable switch with, Buna-N actuator seal and 11 Amo 250 Vac hermetically sealed switch	qty.

PSW495B-100		Consult sales	15 to 100 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

PSW495B-200		Consult sales	30 to 200 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

PSW495B-400		Consult sales	60 to 400 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

PSW495B-600		Consult sales	90 to 600 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

PSW495B-1K		Consult sales	150 to 1000 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

PSW495B-2K		Consult sales	300 to 2000 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

PSW495B-3K		Consult sales	450 to 3000 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch	qty.

† All dollar amounts on this site are shown in US currency.

Part Number Builder

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PSW495

Option Descriptions

(1)

Actuator seal

Select
B for Buna-N
V for FKM
T for PTFE
S for Welded stainless steel

(2)

Adjustable range

Select
-30VAC for 4.5 to 30 In Hg vacuum
-30 for 4.5 to 30 psig
-60 for 9 to 60 psig
-100 for 15 to 100 psig
-200 for 30 to 200 psig
-400 for 60 to 400 psig
-600 for 90 to 600 psig
-1K for 150 to 1000 psig
-2K for 300 to 2000 psig
-3K for 450 TO 3000 psig

(3)

Options

Select
for no options leave blank
-P for Narrow deadband with 5 amp 250 Vac contacts
-JJ for dual 11 amp 250 vac contacts
-L for 1 amp 125 Vac Gold contact
-LL for dual 1 amp 125 vac Gold contacts

NOTE: All combinations may not be valid, check spec sheet for valid part numbers.

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