# Pressure Switch, Vacuum, 1/4" Axial Port, 0.1 psi, 0.3 psi, SPDT, 250 VAC
**URL**: https://novapart.co/products/PSF109S-3-8/pressure-switch-vacuum-1-4-axial-port-01-psi-03
**SKU**: PSF109S-3-8
**Manufacturer**: MULTICOMP PRO
**Category**: Sensors & Transducers || Sensors || Pressure Sensors, Transducers || Pressure Switches
**Price**: €42.8700
**Stock**: 10+
**Lead Time**: 50 days (indicative)
## Description
Pressure Fitting Style:1/4" Axial Port; Operating Pressure Min:0.1psi; Operating Pressure Max:0.3psi; Contact Configuration:SPDT; Sensor Mounting:Panel / Chassis; Electrical Conne
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (17-Jan-2023) |
| Deadband Max | - |
| Deadband Min | - |
| Pressure Type | Vacuum |
| Product Range | - |
| Sensor Mounting | Panel / Chassis |
| Pressure Port Size | 1/8" |
| Pressure Port Type | 1/4" Axial Port |
| Contact Configuration | SPDT |
| Electrical Connection | Quick Connect |
| Switching Current Max | 25A |
| Switching Voltage Max | 250VAC |
| Operating Pressure Max | 0.3psi |
| Operating Pressure Min | 0.1psi |
| Pressure Fitting Style | 1/4" Axial Port |
| Operating Temperature Max | 65.5°C |
| Operating Temperature Min | 4.5°C |
| Transducer Connection / Termination | Quick Connect |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:1734683/)
## **Pressure Switches Vacuum - High Current**
## **Description**
The versatile high-current PSF109S vacuum switch offers a controllable hysteresis (deadband); a wide-range field adjustable set point; snap action; and choice of standard vacuum port design options. For custom applications, our in-house design and engineering team provide rapid prototyping and manufacturing turnaround
## **Features**
- Controllable hysteresis (deadband)
- Field adjustable vacuum set point, from -3 inches H2O to -12 psi (-2 inches H2O available as fixed as point)
- Snap action basic switch, up to 25A*, 125 / 250V AC
- 0.25 inches diameter; 1/8 inches NPT; or 1/4 inches quick connect fitting port
- Custom design and engineering available
- Small size, lightweight, low relative cost
- Dependable long life (10+ million cycles)
- Not available on all ranges
## **Specifications**
## **Mechanical**
|**Specifications**
**Mechanical**||
|---|---|
|Standard Tolerance|: ±20% (tighter tolerances available)|
|Switch Type|: SPDT normally open or normally closed|
|Switching Medium|: Air, compatible fluids|
|Mechanical Life|: More than 10 million cycles|
|Operating Temperature : +40°F to +150°F (standard), -46°F to +205°F (contact us)|Operating Temperature : +40°F to +150°F (standard), -46°F to +205°F (contact us)|
|**Physical**||
|Case Material|: Polycarbonate|
|Vacuum Port Options|: 0.25 inches diameter, 1/8 inches NPT, quick connect fitting port|
|Diaphragm Material|: Polyurethane (PTFE optional)|
|Contact Points|: Silver (gold available on special order)|
|Electrical Connections|: Terminals - 0.187 inches × 0.02 inches tab-type, for use with quick disconnects|
||(reference AMP 2-520182-2 or equivalent)|
|Mounting|: #2 screws through eyelets; mounting bracket available|
|Weight|: Less than 20g|
|**Electrical**||
|Operating Voltage|: 125 / 250 V AC|
## **Specification Table**
|**Part Number**|**- Inches Hg**|**- Inches H2O**|**- mbar**|**- psi**|**Port Style**
**(Inches)**|**Electrical**
**125 / 250 V AC**|
|---|---|---|---|---|---|---|
|PSF109S-3-8|0.2205 to 0.5878|3 to 8|8 to 20|0.1 to 0.3|1/8 NPT|3A|
|PSF109S-9-80|0.6613 to 5.878|9 to 80|21 to 199|0.3 to 2.9|0.25 Diameter|10A|
|PSF109S-81-330|5.951 to 24.25|81 to 300|200 to 822|2.9 to 11.9||15A|
Newark.com/multicomp-pro
Farnell.com/multicomp-pro sg.element14.com/b/multicomp-pro
03/06/24 V1.1
Page <1>
## **Pressure Switches Vacuum - High Current**
## **Diagram**
Dimensions : Millimetres
## **Part Number Table**
|**Part Number Table**||
|---|---|
|**Description**|**Part Number**|
|Pressure Switch, Vacuum, 0.1 to 0.3psi|PSF109S-3-8|
|Pressure Switch, Vacuum, 0.3 to 2.9psi|PSF109S-9-80|
|Pressure Switch, Vacuum, 2.9 to 11.9psi|PSF109S-81-330|
**Important Notice :** This data sheet and its contents (the “Information”) belong to the members of the AVNET group of companies (the “Group”) or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence. Multicomp Pro is the registered trademark of Premier Farnell Limited 2019.
Newark.com/multicomp-pro Farnell.com/multicomp-pro sg.element14.com/b/multicomp-pro
03/06/24 V1.1
Page <2>
## Links
- [View this product on Novapart](https://novapart.co/products/PSF109S-3-8/pressure-switch-vacuum-1-4-axial-port-01-psi-03)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/multicomp-pro/psf109s-3-8/pressure-switch-vacuum-0-1-to/dp/1734683)
---
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