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Electronic components

LF40-01 Air Pressure Switch for Spa Hot Tub/Air Pump/Swimming Pool pneumatic pressure switch kitchen waste disposal accessories

ZHEJIANG LEFOO CONTROLS CO., LTD.
10/10 fairsManufacturerModel LF40-01
LF40-01 Air Pressure Switch for Spa Hot Tub/Air Pump/Swimming Pool pneumatic pressure switch kitchen waste disposal accessories
$556$833/ unit FOB · ≈ converted from CNY
Unit not stated by the supplier.
MOQ 100 unit
Estimated landed cost
$17 / unit
range $16$19 · total ≈ $1,740
See what’s included
FOB goods (100)
$694
Ocean freight + handling (0.30 CBM)
$820
US duty (2.7%)
$19
Section 301 tariff (25.0%)
$174
Customs fees (MPF/HMF)
$34

Estimate in USD to a US port using category averages (HTS 8536/8504/8507), rates as of 2026-09. Other countries on request. A quote from our desk uses real carton sizes, freight and the exact tariff line.

Verify from $29 · written report in 3 business days · 100% refund if not satisfied

About this product

  • Size: 49.5*44.9
  • Color: Black/White
  • Feature: Other
  • Size: Miniature
  • Material: Other
  • Exports to: Mainland China, Africa, Middle East, Southeast Asia, South Asia, Central Asia, USA and Canada, Latin America, Russia, EU, Other European Countries, Japan and South Korea, Hong Kong China, Macao China and Taiwan China, Others
  • Made in: Zhejiang, China
Product details
Size49.5*44.9
ColorBlack/White
FeatureOther
SizeMiniature
MaterialOther
From the supplier

LF40-01is provided with a snap action switching for higher current capacity, SPDT contact form and switch dead bands (also referred to as mechanical differential or hysteresis).

LF40-01can be used together with air button (also called as Actuator) for remote control purpose. It is widely used in food waste disposer, pumps for swimming pools and spas, hot tubs, sanitary equipment, outdoor machines, medical equipment, etc. As a remote control switch, it is small enough to fix in the control box of the engine. Used as a remote control, the air switch has two actions:

1) Momentary action: when the air button is pushed, the air switch is actuated. When the air button is released, the air switch will also be released. This is the way the basic pressure switches are working.

2) Alternate action (also referred to as latching or bistable): the first pushing on air button actuates the air switch, and the air switch keep actuating when air button is released. A second push on the air button will release the air switch.

Model

LF40-01

Medium

Air or other non hazardous gas, water

Operating PressureRange

20 mbar to 1000 mbar

Proof Pressure

50 PSI

OperatingTemperature Range

-10° C to 85° C

Contact Arrangement

SPST or SPDT

Electric Rating

1/2HP 250V, for long distance remote control;

2HP 250V, for high rating application;

Other rating can be available on request

Terminals

6.35 or4.88 mmmale Q.C.

Connection

4mm OD tube,1/4 NPT male thread, 1/8 NPT male thread

Aggency Approval UL, CUL









About the supplier

ZHEJIANG LEFOO CONTROLS CO., LTD.

Main products: Other sensors,Differential pressure transmitter,Switch,Other Pumps,Safety Breaker

  • Exhibited at 10 of the last 10 Canton Fairs
  • Manufacturer
  • Founded 2000
  • Canton Fair Premium Supplier
  • National high-tech enterprise
  • 1 certificate on file
See all products from this supplier →

Light & Electrical exhibitors show in Phase 1 of the Canton Fair, 15 to 19 October 2026.

  • Exhibited at 10 of the last 10 Canton Fairs
  • Manufacturer
  • Founded 2000
  • Canton Fair Premium Supplier

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