Universal Level Switch

    Single-Point Level Switch | Vertical Mounting

    These float switch for vertical installation have one switch point and are available in a wide range of materials.

    They are inexpensive and are ideal for confined spaces.

    Type SR 51

    Type LS-3

    Type LS-1900T

    Type LS-74780

    Type LS-1700

    Type LS-1750

    Type LS-1950

    Type SR 51

    Cost-effective float switch made from POM/Buna with one switch point and a fixed length of 45 mm. Changeover of the NO/NC function by turning over the float.
    Opener / Closer
    100 V AC/DC; 10VA/W; 0.5 A
    Switch function
    normally closed / normally open / by turning the float normally open in normally closed
    Cable
    1 m PVC 2 x 0.25 mm³
    Enclosure
    IP54
    Temperature
    -30 to +90°C
    Medium density
    ≥ 500 kg/m³
    Max. Pressure
    10 bar
    Mountig direction
    vertical, ± 30°
    Tube length L
    fixed Tube length (L=45 mm)
    Process connection
    M16 x 1.5
    Material
    POM/Buna

    Type LS-3

    Compact plastic construction – reliable and cost effective with NPT or G thread. Available with FDA/NSF approved materials on request.
    Opener / Closer
    SPST 50 VA/0.5A/250 VAC
    Change-over switch
    SPDT 20 VA/0.5A/250 VAC
    Switch function
    factory setting is NO (normally open)
    NO or NC (normally closed) can be selected by reversing the float
    Fly lead / cable
    PVC, AWG 22, Length 60 cm / PVC, 0.34 mm²
    Enclosure
    IP64
    Temperature
    cable: -40 to +80°C
    Fly lead: -40 to +121°C
    Medium density
    ≥ 450 kg/m³
    Max. Pressure
    3 to 10 bar
    Mountig direction
    Vertical
    Tube length L
    fixed Tube length (L=54 mm)
    Process connection
    G 1/8″ / 1/8″ NPT / M12x1.75
    Material
    Polysulfon, Nylon, PP

    Downloads
    LS-3 – Datasheet

    Type LS-1900T

    Single level float switch made from specially developed plastics for aggressive or ultra-pure liquids.
    Opener / Closer
    SPST 100 VA/0.5A/250 VAC
    Change-over switch
    SPDT 20 VA/0.5A/250 VAC
    Switch function
    Function (NO,NC) indicate when ordering
    Fly lead / cable
    FEP, AWG 20, Length 100 cm / 0.34 mm²
    Silicone or PVC
    Enclosure
    IP64
    Temperature
    Cable: -40 to +80°C
    Fly lead: -40 to +150°C
    Medium density
    ≥ 800 kg/m³
    Max. Pressure
    3 bar
    Mountig direction
    Vertical
    Tube length L
    fixed Tube length (L=88 mm)
    Process connection
    G 1/4″
    Material
    PTFE

    Downloads
    LS-190TFE – Datasheet

    Type LS-74780

    Robust single level float switch made from specially developed plastics for aggressive or ultra-pure liquids.
    Opener / Closer
    SPST 20 VA/0.5A/250 VAC
    Switch function
    factory setting is NO (normally open)
    NO or NC (normally closed) can be selected by reversing the float
    Fly lead
    PVC AWG 18, Length 60 cm
    Enclosure
    IP64
    Temperature
    -40 to +80°C
    Medium density
    ≥ 850 kg/m³
    Max. Pressure
    1 bar
    Mountig direction
    vertical
    Tube length L
    fixed Tube length (L=87.5 mm)
    Process connection
    ¼” NPT
    Material
    CPVC

    Downloads
    LS-74780 – Datasheet

    Type LS-1700

    Robust single level float switch, ideal for flat tanks and limited installation space. For use in oil and water.
    Opener / Closer
    SPST 50 VA/0.5A/250 VAC
    Switch function
    factory setting is NO (normally open)
    NO or NC (normally closed) can be selected by reversing the float
    PVC-Fly lead / cabel
    FEP, AWG 20, Length 60 cm / PVC, 0.34 mm²
    Enclosure
    IP64
    Temperature
    cable -40 to +80°C
    Fly lead -40 to +110°C
    Medium density
    ≥ 450 kg/m³
    Max. Pressure
    10 bar
    Mountig direction
    Vertical
    Tube length L
    fixed Tube length (L=53 mm)
    Process connection
    G 1/8″ / 1/8″ NPT
    Material
    Brass/Buna N

    Downloads
    LS-1700 – Datasheet

    Type LS-1750

    Robust single level float switch made from stainless steel for high pressures and temperatures.
    Opener / Closer
    SPST 50 VA/0.5A/250 VAC
    Switch function
    factory setting is NO (normally open)
    NO or NC (normally closed) can be selected by reversing the float
    Fly lead / cabel
    FEP, AWG 20, Length 60 cm / PVC, 0.34 mm²
    Enclosure
    IP64
    Temperature
    Cable: -40 to +80°C
    Fly lead: -40 to +150°C
    Medium density
    ≥ 850 kg/m³
    Max. Pressure
    20 bar
    Mountig direction
    Vertical
    Tube length L
    fixed Tube length (L=53 mm)
    Process connection
    G 1/8″
    Material
    Stainless steel

    Downloads
    LS-1750 – Datasheet

    Type LS-1950

    Single level float switch made completely from stainless steel for extremely high temperatures and pressures.
    Opener / Closer
    SPST 100 VA/0.5 A/250 VAC
    Change-over switch
    SPDT 20 VA/0.5 A/250 VAC
    Switch function
    factory setting is NO (normally open)
    NO or NC (normally closed) can be selected by reversing the float
    Fly lead / cabel
    FEP, AWG 20, Length 60 cm / Silicone, 0.5 mm²
    Enclosure
    IP64
    Temperature
    Cable: -40 to +150°C
    Fly lead: -40 to +200°C
    Medium density
    ≥ 750 kg/m³
    Max. Pressure
    30 bar
    Mountig direction
    Vertical
    Tube length L
    fixed Tube length (L=86 mm)
    Process connection
    G 1/4″
    Material
    Stainless steel

    Downloads
    LS-1950 – Datasheet