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Valco - Level Control Switch - M2 Series

  • Float switch, N.1 contact self mounting kit
  • 500 mm. to 1500 mm. tube length
  • Reed switch SPST or SPDT
  • Integrated temperature switch (on request)
  • Brass stem and connection, Spansil float

Product description

Level controls with 2 electrical contacts, reliable, compact and easy to install. Designed to offer a range of level switches to meet the request for a cheap monitoring of the level in small tanks.


The principle of operation of these instruments is based on the drive of 2 reed contacts, located inside of the measuring rod, by a magnetic float.  The only moving elements are the floats that move, for hydrostatic thrust, along the measuring rod; this guarantees extreme ruggedness and a limited need of maintenance.

Part numbers

Parts Price Length Manufacturer part no. Process connection
200 mm M2.B45.3.0200.O.25GO.S1.L.1.C22 G1
250 mm M2.B45.3.0250.O.25GO.S1.L.1.C22 G1
300 mm M2.B45.3.0300.O.25GO.S1.L.1.C22 G1
350 mm M2.B45.3.0350.O.25GO.S1.L.1.C22 G1
450 mm M2.B45.3.0450.O.25GO.S1.L.1.C22 G1
500 mm M2.B45.3.0500.O.25GO.S1.L.1.C22 G1
200 mm M2.B45.3.0200.O.FOPX.S1.L.1.C22 Flange
250 mm M2.B45.3.0250.O.FOPX.S1.L.1.C22 Flange
300 mm M2.B45.3.0300.O.FOPX.S1.L.1.C22 Flange
350 mm M2.B45.3.0350.O.FOPX.S1.L.1.C22 Flange
400 mm M2.B45.3.0400.O.FOPX.S1.L.1.C22 Flange
500 mm M2.B45.3.0500.O.FOPX.S1.L.1.C22 Flange
450 mm M2.B45.3.0450.O.FOPX.S1.L.1.C22 Flange


200mm length, Brass/ABS, G1, 2xNC, DIN, Max 20 bar

Technical data

Current 0.5A/0.7A
Electrical connection DIN A 43650
Function N/O & N/C
IP class IP65
Length 200 mm
Manufacturer part no. M2.B45.3.0200.O.25GO.S1.L.1.C22
Material of connection Brass
Material of float SPANSIL
Material of seals NBR
Mounting Vertical
Pressure max 20 bar
Process connection G1
Specific gravity 0.35
Temperature operational max 105 °C
Voltage 300Vac/350Vdc

Measurements and connections

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