# Pressure Switch, Gauge, 1/4" FNPT, 20 psi, 100 psi, DPDT, 480 VAC

![Product image](https://novapart.co/image/farnell:3867872/)

**URL**: https://novapart.co/products/PSW-374/pressure-switch-gauge-1-4-fnpt-20-psi-100-dpdt-480
**SKU**: PSW-374
**Manufacturer**: OMEGA
**Category**: Sensors & Transducers || Sensors || Pressure Sensors, Transducers || Pressure Switches
**Price**: €959.6100
**Stock**: 10+
**Lead Time**: 50 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| Deadband Max | 85psi |
| Deadband Min | 15.3psi |
| Pressure Type | Gauge |
| Product Range | PSW-370 Series |
| Sensor Mounting | Panel / Chassis |
| Pressure Port Size | 1/4" |
| Pressure Port Type | 1/4" FNPT |
| Contact Configuration | DPDT |
| Switching Current Max | 500mA |
| Switching Voltage Max | 480VAC |
| Operating Pressure Max | 100psi |
| Operating Pressure Min | 20psi |
| Pressure Fitting Style | 1/4" FNPT |
| Operating Temperature Max | 66°C |
| Operating Temperature Min | -29°C |
| Transducer Connection / Termination | 3/4" NPSM |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3867872/)

## _**STAINLESS STEEL PRESSURE SWITCHES FOR HARSH ENVIRONMENTS DUAL 15 A SPDT SWITCHES**_ 

## _**5 inH2O to 3000 psi**_ 

## _**PSW-370 Series**_ 

- U **All-Stainless NEMA 4X (IP66) Case Resists Industrial Corrosion** 

- U **Designed for Harsh Industrial Applications with Long-Life UL- and CSA-Rated Switches** 

- U **Ranges from 5 inH2O to 3000 psi** 

- U **Easy to Adjust with Internal Reference Scale** 

- U **PTFE or Stainless Steel Diaphragms** 

## **SPECIFICATIONS** 

## **Electrical Rating:** 

**15 A:** 125/250/480 Vac 

**0.5 A:** 125 Vdc 

- **0.25 A:** 250 Vdc 

**Switch Output:** Two SPDT switches can be wired “normally open” or “normally closed” 

**Setpoint Repeatability:** ±1% range **Ambient and Storage Temperature:** -29 to 66°C (-20 to 150°F) 

**Setpoint:** Typically shifts ±1% of range per 28°C (50°F) 

**Electrical Connections:**[3] ⁄4 NPSM, 316 SS fitting 

**Pressure Connections:**[1] ⁄4 FNPT, 304 SS 

**Wetted Parts:** inH2O and 1000 and 3000 psi ranges: PTFE and stainless steel; 15 to 600 psi ranges: stainless steel **Enclosure:** Gasketed 316 SS, NEMA 4X (IP66) rated 

**Oxygen Cleaning:** Add suffix “ **-X6B** ” to model number and additional cost to price; available on SS models only. 

**==> picture [330 x 539] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||||||||
|---|---|---|---|---|---|---|---|
|PSW-376,|
|shown smaller|
|than actual size.|
|115 (4.5)|144 (5.7)|
|40|
|(1.6)|
|107|
|96|(4.2)|
|(3.8)|
|114|
|ee|ae|
|(4.5)|
|3/4 NPSM|47(1.9)|
|X06|
|6|
|(0.24)|10|
|57|88|(0.39)|
|(2.2)|PRESSURE PORT|(3.5)|
|64|1/4 NPT FEMALE|
|(2.5)|Dimensions: mm (inch)|
|[T][o]|[O][r][de][r]|
|MODEL|DIAPHRAgM   ADjUSTABLE|DEADBAND|PROOF|
|NO.|MATERIAL|RANgE|STANDARD UNITS|PRESSURE|
|ee|
|PSW-370|PTFE|5 to 30 inH20|2.5 to 5.9|20 psi|
|PSW-371|PTFE|22 to 150 inH20|8.4 to 19.2|20 psi|
|es|es|
|PSW-372|SS|3 to 15 psi|2.4 to 3.6|500 psi|
|es|es|
|PSW-373|SS|6 to 30 psi|2.4 to 6.8|500 psi|
|es|ee Ges|
|PSW-374|SS|20 to 100 psi|85 to 15.3|1000 psi|
|es es|
|PSW-375|SS|40 to 200 psi|17 to 34|1000 psi|
|es|es|
|PSW-376|SS|80 to 400 psi|37.4 to 71.4|2400 psi|
|es|es|
|PSW-377|SS|120 to 600 psi|37.4 to 119|2400 psi|
|es|es|
|PSW-378|PTFE|150 to 1000 psi|84 to 216|12,000 psi|
|es|es|
|es|PSW-379|es|PTFE|450 to 3000 psi|(|301 to 418|12,000 psi|

**----- End of picture text -----**<br>


_Comes complete with operator’s manual._ _**Ordering Example: PSW-376,** SS diaphragm, range of 80 to 400 psi._ 

**H-23** 



## Links

- [View this product on Novapart](https://novapart.co/products/PSW-374/pressure-switch-gauge-1-4-fnpt-20-psi-100-dpdt-480)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/omega/psw-374/pressure-switch-100psi-1port-1/dp/3867872)
---

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