MP ATEX

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MP ATEX

ATEX controllers
Control of solids

Intended use

Displacement level indicator with plane mounting flange.

The level indicador observes the filling level as a limit switch in silos and vessels or control the flow and obstructions in tubes, pipes, conveyors, etc.

The models are certificated for use in potentially explosive Dust and Gas atmospheres as well as in hybride mixtures (Dust + Gas) hazardous areas.

Function

The rod sensor must to be exposed to the material. The bulk goods, being dumped beside the rod, move the rod. This movement activates the switch.

These models have a regulation system by a spring that allows the adjusment of the sensitivity. Tightening the regulation nut to reduce the sensitivity and increase the strain of the material to activate the microswitch. Clockwise insensitive.

Mechanical connection

Drill a Ø 30 hole in the wall of the silo or vessel, place the rod and mount the indicator using screws, rods, fasteners or nuts M6 making sure of the correct position of the rod.

The standard length of the rod is 115 or 150 mm depending on the model. If it is necessary, the rod can be cut to leave at the desired lenght. To control the flow in pipes, the rod must be with a minium distance of 10 mm of the bottom of the pipe and must be placed with enough distance to prevent the signal activation with the normal flow.

Dimensions

Approximate measures given in mm.

Technical data


Name	Displacement level indicator
Type	MP... – ref: 2303-A-...
Certifications	B1 Dust: ATEX II 1/2D Ex ta/tb IIIC T80 °C Da/Db
Maximum pressure	+0,5 bar
Cable entry	M20x1,5
Switching voltage	250 V AC
Switching function	1 NO + 1 NC
Capacity of the contact:
B1	4 A / 250 V AC 4 A / 250 V AC (for resistive loads) For inductive or capacitive loads reduce at 50%
B5	Uo < 30 V DC; Ii < 100 mA
Bulk good temperature	-25° C – +80° C
Ambient temperature	-20° C – +70° C
Type of protection	IP66 according to DIN EN60529
Weight	1,180 Kg
Materials:
Housing	Aluminium, RAL 7001 coated
Probe	Aluminium, NBR recovered
Folding bellow	NBR
Cable gland	Niquel-plated Brass