FA - Fabricantes de Controladores de Nivel

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FA

Air flow switch

Intended use

The air flow switches are designed to control the air flow or non-aggresive gas flow in tubes and pipes for example in air conditioning systems or heating installations.

Function

When the air flow of the pipe pulls the Stainless Steel blade actuates a microswitch. This microswitch is inside the plastic housing and actuates according to the sensitivity adjustment.

Mechanical connection

The switch can be horizontally or vertically mounted and the indication arrow located in the process connection must be faced to the flow direction.

The device has a flange process connection and can be mounted using screws, rods, fasteners or nuts.

Dimensions

Approximate measures given in mm.

Technical data


Name	Air flow switch
Type	FA – ref: 2620
Maximum pressure	Atmospherical
Cable entry	M20x1,5
Maximum voltage	250 V AC
Contact function	1 NO + 1 NC
Capacity of the contact	15 A / 24 – 250 V AC (resistive load) For capacitive or inductive loads reduce at 50%
Temperature range	-40° C – +85° C
Max. ambient temperature	+60° C
Increasing flow speed	2,5 m/s – 8 m/s
Decreasing flow speed	1 m/s – 9,2 m/s
Protection	IP65 according DIN EN60529
Weight	0,63 Kg
Materials:
Base	ABS
Cap	Transparent Polycarbonate
Blade	Stainless Steel 1.4310
Proccess connection	Brass
Fixing gasket	Klingerit
Blade support	Brass