LEFOO Air Pressure Switch

Product Name: LEFOO Air Pressure Switch
Brand: LEFOO
Product Category: Pneumatic Components → Pressure Switches
Product Type: Mechanical Air Pressure Switch / Air Compressor Pressure Switch
Manufacturer: LEFOO

Product Details

The LEFOO Air Pressure Switch is a mechanical pressure-control device designed to monitor air pressure and operate an electrical contact when the pressure reaches a preset switching point.

LEFOO manufactures multiple pressure-switch series for air compressors, water pumps, pneumatic equipment, HVAC systems, refrigeration, building automation and industrial applications. The exact pressure range, electrical rating, connection and configuration depend on the selected model. (Lefoo 2000 - 2025)

For industrial users, OEM machine builders and maintenance teams, selecting the correct LEFOO model requires matching the pressure range, differential, electrical load, connection thread and application with the existing system.

Features

• Mechanical pressure switching

• Designed for air-pressure control applications

• Models available for air compressors and pneumatic systems

• Adjustable and application-specific pressure ranges available

• Various connection configurations

• Models available for single-phase and three-phase applications

• Options for air compressor and water-pump applications

• Differential pressure-switch models available

• Suitable for OEM and aftermarket replacement applications

• Manufacturer documentation and certificates available for selected models (Lefoo 2000 - 2025)

LEFOO Air Pressure Switch Model List

The following models are listed by LEFOO in its current product catalogue/product pages:

General Pressure Switches

• LF08

• LF08A

• LF08D

• LF08E

• LF08H

• LF08M

• LF08V

• LF20

• LF20H

• LF20V

• LF25

• LF702

• LF708

• LF708A

• LF727

• LF727A

• LF727B

Air Compressor / Water Pump Pressure Switches

• LF10

• LF10L

• LF12

• LF15

• LF17

• LF18

• LF19

• LF10W

• LF16

• LF17-W

• LF42

• LFPC-1

Differential Air Pressure Switches

• LF30

• LF31

• LF32

• LF35

LEFOO's official product catalogue also lists other pressure-switch categories, including refrigeration, steam/boiler and digital pressure switches. (Lefoo 2000 - 2025)

Verified Model Examples

LEFOO LF10 Air Compressor Pressure Switch

The LF10 is designed to regulate air-compressor tank pressure between two preset pressure values. LEFOO lists versions with operating pressure ranges of 25–100 psi, 35–150 psi, 50–175 psi and 70–190 psi, depending on configuration. Listed electrical ratings include 20A/120VAC and 12A/240VAC for the LF10, while LF10A versions are listed at higher current ratings. Connection options include 1/4'' and 3/8'' NPT, with one-port and four-port configurations available. (Lefoo 2000 - 2025)

LEFOO LF10L

The LF10L is an air-compressor pressure switch with a relief/unloader function and four-way base configuration available. LEFOO lists pressure regulation of 3.0–12.5 kgf/cm² for the referenced LF10-L versions, with normally closed contacts and multiple connection options. (Lefoo 2000 - 2025)

LEFOO LF17

The LF17 is a heavy-duty air-compressor pressure switch designed for larger commercial air compressors. LEFOO lists an operating range of 40–250 psi for one LF17 configuration and 240–500 psi for LF17A. Connection options include 1/4'' and 3/8'' NPT male or female. (Lefoo 2000 - 2025)

Important: Specifications vary by model and configuration. Always confirm the exact LEFOO model, pressure range, electrical rating and connection before ordering.

Applications

LEFOO pressure switches can be used in:

• Air compressors

• Pneumatic machinery

• Pneumatic control systems

• Industrial automation

• Manufacturing equipment

• HVAC systems

• Refrigeration systems

• Building automation

• Water and wastewater systems

• Water pumps

• OEM machinery

• Maintenance and replacement applications

LEFOO specifically identifies HVAC, cleanroom, refrigeration, building automation and water/wastewater as related applications for its pressure-switch products. (Lefoo 2000 - 2025)

Specifications

Parameter	Information
Brand	LEFOO
Product Type	Air / Mechanical Pressure Switch
Media	Depends on model
Pressure Range	Depends on model
Differential	Depends on model
Electrical Rating	Depends on model
Contact Arrangement	Depends on model
Connection	Depends on model
Application	Air compressor / pneumatic / industrial pressure control
Model	LF08, LF10, LF10L, LF12, LF15, LF17, LF18, LF19, LF30, LF32, etc.

Note: The table intentionally does not provide a single pressure range or electrical specification because LEFOO specifications differ between models and configurations. The exact datasheet should be checked before purchase. LEFOO provides downloadable product documentation for the listed series. (Lefoo 2000 - 2025)

How to Select the Correct LEFOO Air Pressure Switch

Before ordering, provide:

1. Existing model number

2. Required pressure range

3. Cut-in pressure

4. Cut-out pressure

5. Electrical voltage/current

6. Connection/thread size

7. Number of ports

8. Air compressor or machine application

9. Photo of the existing pressure switch, if available

This allows ASIA-MECH to identify the appropriate LEFOO model or a suitable replacement.

FAQ

What is a LEFOO air pressure switch?

A LEFOO air pressure switch is a pressure-operated electrical switch used to monitor and control air pressure in equipment such as air compressors and pneumatic systems.

Which LEFOO pressure switch is used for an air compressor?

LEFOO has several air-compressor pressure-switch models, including LF10, LF10L, LF15 and LF17. The correct model depends on the required pressure range, electrical rating and connection. (Lefoo 2000 - 2025)

Is the LEFOO LF10 adjustable?

Yes. LEFOO describes the LF10 as an adjustable air-compressor pressure switch, with different pressure ranges and factory settings available depending on configuration. (Lefoo 2000 - 2025)

What is the difference between LF10 and LF17?

Both are air-compressor pressure-switch series, but the LF17 is designed for heavier-duty/larger commercial air-compressor applications, with LEFOO listing configurations up to 250 psi for LF17 and higher-pressure LF17A versions. (Lefoo 2000 - 2025)

Can ASIA-MECH supply LEFOO pressure switches in Malaysia?

Yes. ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD supplies pneumatic and industrial components in Malaysia and can assist with sourcing the required LEFOO model.

Can I order by photo?

Yes. Send us a photo of the existing LEFOO pressure switch together with the model number, if available. We can help check the required model and configuration.

Related Models

• LEFOO LF08

• LEFOO LF08D

• LEFOO LF10

• LEFOO LF10L

• LEFOO LF12

• LEFOO LF15

• LEFOO LF17

• LEFOO LF18

• LEFOO LF19

• LEFOO LF30

• LEFOO LF31

• LEFOO LF32

• LEFOO LF35

Alternative Models

For replacement applications, alternatives should be selected based on pressure range, contact rating, connection and mounting configuration, rather than by model name alone.

ASIA-MECH can check suitable alternatives when you provide the original pressure-switch model or machine application.

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Why Buy From ASIA-MECH?

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD specializes in hydraulic and pneumatic components for industrial customers, OEM machine builders and maintenance applications.

• Genuine and aftermarket sourcing available

• Malaysia-based industrial supplier

• Model identification assistance

• Fast response for quotation enquiries

• Door-to-door delivery available

• Suitable for OEM, MRO and replacement requirements

• Delivery throughout Malaysia and international destinations

Delivery Area: Perlis, Penang, Kedah, Perak, Pahang, Kuala Lumpur, Selangor, Melaka, Johor, Kelantan, Kuantan, Sabah & Sarawak.

International Delivery: Malaysia, Singapore, Thailand, Indonesia, Philippines, Vietnam, Europe & Worldwide.

Contact ASIA-MECH

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD
☎ 05-282 1518
📱 +60 16-550 2288 (WhatsApp)
✉️ asiamech88@gmail.com