B-1

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Best selling liquid controllers
Control of liquids
Float levels switch

Intended use

The float level switch B-1 is used to keep between 2 points the level of liquid like water, oil, chemical products, etc., conductive or not, in tanks or recipients at atmospheric pressure.

The float of the model B-1 2P is designed to can be introduced into the normally thread socket 2 " of the fuel or oil tanks and deposits.

Function

The B-1 bases its work due to the movement of a float. When the level of liquid rises up, the float reaches the mechanical stop and pull up the lower counterweight. This enables the action of the lever and reverses the position of the switch.

The adjustment of the commutation of the switch is obtained adjusting the mechanical stops at the desired cable point. If the float is blocked with the mechanical stops, it can be obtained only one punctual signal.

Mechanical connection

It is simple: the float must be vertically installed on the top of the tank with an appropiate support to fix it. The tank can have a cap to preserve the liquid against dust. Just a little hole in the cap allows the free movement of the cable.

Dimensions

Approximate measures given in mm.

Technical data


Name	Float switch
Type	B-1 – ref: 2505 B-1 2P – ref: 2505-2P
Cable length	Standard 2.000 mm (Other lenghts under request)
Product density	B-1– 0,5 Kg/l B-1 2P – 0,7 Kg/l
Tank pressure	Atmospherical
Cable entry	3 of M20x1,5
Switching voltage	240 V AC
Switching function	1 NO + 1 NC Double-Pole Double-Throw (DPDT)
Capacity of the contact	3 A / 240 V AC (for resistive loads) For inductive or capacitive loads, reduce at 50%
Liquid temperature	-20° C – +300° C
Switch temperature	-20° C – +70° C
Protection	IP66 according to DIN EN60529
Weight	0,30 Kg
Float weight	B-1 – 0.18 Kg B-1 2P – 0.10 Kg
Counterweight weight	0,16 Kg
Materials:
Switch	Aluminium
Float	Stainless Steel 1.4401
Counterweight	Stainless Steel 1.4305
Mechanical stops	Stainless Steel AISI 1.4305
Cable	Stainless Steel 1.4401