Vertical mounting, reed switch contact, polypropylene stem with side mounting bracket, dia. 29 x16.4 mm EPS foam float, cable output, for near bottom detection

Main applications: vending machines, air conditioning pumps, dehumidifiers. Small diameter float for reduced space applications. EPS foam float avoid float leaks, but reduces the maximum liquid temperature

Stem material

Float material

Mounting position

Mounting type

Electrical rating


Contact resistance (mOhms)

Wire lengths (mm)

, , ,

Max operating temperature (°C)

Min operating temperature (°C)

Maximum pressure

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Use: low voltage circuits

Main applications: vending machines, air conditioning pumps, dehumidifiers. Large diameter float for near bottom detection. EPS foam float avoid float leaks, but reduces the maximum liquid temperature

Stem material: polypropylene

Float material: EPS foam with skin effect surface to avoid wa- ter absorption

Mounting: vertical, side mounting bracket allows to screw it on the tank side, with 1 to 3 M3 screws

Contact configuration: normally closed when  float is down on the stem. It opens when float goes up to the wiring side. Upsetting the float changes the contact configuration into normally open

Electrical rating:

Low voltage type: maximum power 10 W (VA), max 0.5Amp,max voltage 110VAC.

230VAC type: max power 40 W (VA), max 1Amp Values for re- sistive circuit. For inductive or capacitive loads, a contact pro- tection circuit must be used.

Contact resistance: 150mOhms maxi (wires not included)

Wires: AWG24 cable, UL style 2464, PVC insulated, length 100, 500, 1000 or 2000 mm

Liquid limits: to be used with liquids chemically compatible with polypropylene and polystyrene, specific gravity higher than 0.9, dynamic viscosity higher than 0.5×10-4 Pa.s and lower than 10-2 Pa.s, without magnetic particles.

Ambient temperature:  -20+65°C

Maximum pressure:  1 bar (15 PSI)

Options: other cable length, electrical rating 70W, 1A, 250VAC



Main references

Electrical Rating Cable 100 mm Cable 500 mm Cable 1000 mm Cable 2000 mm
10VA (max 110VAC) DMF038H3329S1050 DMF038H3329S5050 DMF038H3329SA050 DMF038H3329SB050
40VA (max 230VAC) DMF438H3329SB050 DMF438H3329SB050 DMF438H3329SB050 DMF438H3329SB050


We regularly, under non disclosure agreement, study and product components that meet the specifications of manufacturers of electrical equipment. If agreed contractually at the origin, the products are reserved for use only by the customer.Our foam floats are made in our factory using our own patented technology and are without equivalent.

Technical specifications sheet