Compact Switches for Pressure/Vacuum Ranges

PSW-495

Watertight, Corrosion-Resistant Case
Reliable in Harsh Environments
Field Adjustable

Description

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

Place Order(Specify Model Number)

Part Number/ Desc.

Qty

Description

PSW495B-30VAC

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Availability:

4.5 to 30 in Hg adjsutable vacuum switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch

PSW495B-30

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Availability:

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

PSW495B-60

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Availability:

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

PSW495B-100

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Availability:

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

PSW495B-200

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Availability:

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

PSW495B-400

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Availability:

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

PSW495B-600

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Availability:

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

PSW495B-1K

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Availability:

150 to 1000 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch

PSW495B-2K

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Availability:

300 to 2000 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch

PSW495B-3K

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Availability:

450 to 3000 psi adjsutable switch with, Buna-N actuator seal and 11 Amp 250 Vac hermetically sealed switch

† All amounts shown in EUR, GBP, or USD

Part Number Builder

Build Your Part Number Below

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PSW495

Option Descriptions:

(1) Actuator seal select from:
B for Buna-N
V for FKM
T for PTFE
S for Welded stainless steel

(2) Adjustable range select from:
-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 from:
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.