Universal Level Switches

Multi-level float switch

Multi-level float switches for vertical installation offer up to 7 switch points for level detection.


Type LS-400E

Multi-level float switches made from brass/BunaN or made completely from stainless steel, with max. 4 switch points.

Switch rating
Opener / CloserSPST 50 VA/0.5 A/250 VAC
Change-over switchSPDT 10 VA/0.3 A/100 VDC
Switch functionOpener / Closer / Change-over switch
Switch pointsmax. 4
Mountig directionvertical
Medium densitystainless steel float ≥ 850 kg/m³
Buna N float ≥ 460 kg/m³
Temperaturestainless steel -20 to +150°C
Brass -20 to +80°C
EnclosureIP65
Pressurestainless steel max. 20 bar
Brass max. 10 bar
Tube length Lmax. 800 mm
Process connectionStandard BSPP"
Connecting HousingAluminum 58 x 64 x 36 mm
 
 

Type LS-800E

Multi-level float switches made from brass/BunaN or made completely from stainless steel, with max. 7 switch points.

Switch rating
Opener / Closer:SPST 100 VA/3.0 A/250 VAC
Change-over switch:SPDT 20 VA/0.5 A/250 VAC
Switch functionOpener / Closer / Change-over switch
Switch pointsmax. 7
Mountig directionvertical
Medium densitystainless steel float ≥ 800 kg/m³
Buna N float ≥ 580 kg/m³
Temperaturestainless steel -40 to +150°C
Brass -40 to +80°C
EnclosureIP65
Pressurestainless steel max. 30 bar
Brass max. 10 bar
Tube length Lmax. 3000 mm
Process connectionStandard: BSPP 2"
Connecting HousingAluminum 58 x 64 x 36 mm
Aluminum 98 x 64 x 36 mm
 
 

Type SR 10

Cost-effective and maintenance-free switches with either a housing, plug or cable outlet. Standardised or customised models. Shipbuilding approval from Germanic Lloyds.

Switch rating
Opener / Closer230 V AC; 100 VA; 1 A AC
230 V DC; 50 W; 0,5 A DC
Change-over switch230 V AC; 40 VA; 1 A AC
230 V DC; 20 W; 0,5 A DC
Switch functionOpener / Closer / Change-over switch
with a rising liquid level
Connecting HousingAluminum 75 x 80 x 57 mm,
Aluminum 64 x 58 x 36 mm
Polycarbonate 80 x 82 x 55 mm
EnclosureIP66
Temperature-30 to +150°C
Medium densitymin. 750 kg/m³
Pressuremax. 40 bar
Mountig directionvertical, ± 30°
Tube length LStandard to 6000 mm
≥ 6000 mm on request
Process connectionStandard BSPP 1½", BSPP 2", flange DN50 PN16
other types on request
 
 

Type SR 11

Switches made from 1.4571 stainless steel with cable outlet. Standardised or customised models. Shipbuilding approval from Germanic Lloyds.

Opener / Closer230 V AC; 100 VA; 1 A AC
230 V DC; 50 W; 0,5 A DC
Change-over switch230 V AC; 40 VA; 1 A AC
230 V DC; 20 W; 0,5 A DC
Switch functionOpener / Closer / Change-over switch
with a rising liquid level
Mountig directionvertical, ± 30°
EnclosureIP54
Temperature-30 to +150°C
Medium densitymin. 750 kg/m³
Pressuremax. 40 bar
Tube length Lmax. 6000 mm
Process connectionStandard BSPP 3/8", BSPP ½", BSPP 1½", BSPP 2",
flange DN50 PN16, other types on request
 
 

Type SR 12

Robust float switch made from stainless steel, with plug output for plant and machine construction.

Opener / Closer230 V AC; 100 VA; 1 A AC
230 V DC; 50 W; 0,5 A DC
Change-over switch230 V AC; 40 VA; 1 A AC
230 V DC; 20 W; 0,5 A DC
Switch functionOpener / Closer / Change-over switch
with a rising liquid level
Switch pointsmax. 4
> 4 Switch points on request
Mountig directionvertical, ± 30°
Medium densitymin. 750 kg/m³
Temperature-30 to +100°C
EnclosureIP65
Pressuremax. 40 bar
Tube length LStandard to 6000 mm
> 6000 mm on request
Process connectionStandard BSPP 1½", BSPP 2",
flange DN50 PN16, other types on request
 
 

Type SR 13

Mini-float switch made from stainless steel, with housing for simpler industrial applications in fluids that are not viscous or thick.

Opener / Closer100 V AC/DC
0.5 A; 10 W/VA
Change-over switch100 VAC/DC
0.25 A; 5 W/VA
Switch functionOpener / Closer / Change-over switch
with a rising liquid level
Switch pointsmax. 4
Mountig directionvertical, ± 30°
Medium densitymin. 850 kg/m³
Temperature-30 to +80°C
EnclosureIP66
Pressuremax. 10 bar
Tube length LStandard to 1000 mm
Process connectionStandard: BSPP 1", BSPP 1 1/4",
other types on request
Connecting HousingAluminum 75 x 80 x 57 mm,
Aluminum 58 x 64 x 36 mm
Polycarbonate 80 x 82 x 55 mm
 
 

Type SR 15

Robust float switch made from stainless steel, with adjustable switch points for more demanding applications.

Opener / Closer230 V AC; 100 VA; 1 A AC
230 V DC; 50 W; 0,5 A DC
Change-over switch230 V AC; 40 VA; 1 A AC
230 V DC; 20 W; 0,5 A DC
Switch functionOpener / Closer / Change-over switch
with a rising liquid level
Mountig directionvertical, ± 30°
Medium densitymin. 750 kg/m³
Temperature-30 to +150°C
EnclosureIP54
Pressuremax. 40 bar
Tube length LStandard to 1500 mm (> 1500 mm on request)
Process connectionStandard BSPP 3/8", BSPP ½",
other types on request
 
 

Type SR 30

Float switch made from PP, with housing for liquids and/or aggressive media.

Opener / Closer230 V AC; 100 VA; 1 A AC
230 V DC; 50 W; 0,5 A DC
Change-over switch 230 V AC; 40 VA; 1 A AC
230 V DC; 20 W; 0,5 A DC
Switch function Opener / Closer / Change-over switch
with a rising liquid level
Mountig direction vertical, ± 30°
Medium density min. 600 kg/m³
Temperature -10 to +80°C
Enclosure IP66
Pressure max. 3 bar
Tube length L Standard to 1500 mm,
Process connectionStandard BSPP 1½", BSPP 2",
other types on request
Material PP, other materials e.g. PVC, PVDF etc.
on request
 
 

Type SR 31

Float switch made from PP, with cable outlet, other materials available on request.

Opener / Closer230 V AC; 100 VA; 1 A AC
230 V DC; 50 W; 0,5 A DC
Change-over switch230 V AC; 40 VA; 1 A AC
230 V DC; 20 W; 0,5 A DC
Switch function Opener / Closer / Change-over switch
with a rising liquid level
Mountig direction vertical, ± 30°
Medium density min. 600 kg/m³
Temperature -10 to +80°C
Enclosure IP68
Pressure max. 3 bar
Tube length L Standard to 1500 mm
Process connection Standard BSPP 3/8", BSPP ½", BSPP 1½", BSPP 2",
other types on request
Material PP, other materials e.g. PVC, PVDF etc. on request
 
 

Type SR 32

Float switch made from PP, with plug output, other materials available on request.

Opener / Closer230 V AC; 100 VA; 1 A AC
230 V DC; 50 W; 0,5 A DC
Change-over switch 230 V AC; 40 VA; 1 A AC
230 V DC; 20 W; 0,5 A DC
Switch function Opener / Closer / Change-over switch
with a rising liquid level
Switch pointsmax. 4
> 4 Switch points
Electrical connection DIN 43650, other types on request
Mountig direction vertical, ± 30°
Medium density min. 600 kg/m³
Temperature -10 to +80°C
Enclosure IP65
Pressure max. 3 bar
Tube length L Standard to 1500 mm
Process connection Standard BSPP 1½", BSPP 2",
other types on request
 
 

Type SR 71

Float switch made from stainless steel/Buna N for general applications.

Switch rating
Opener / closer100 V AC/DC; 0.5 A; 10 W/VA
Change-over switch100 V AC/DC; 0.25 A; 5 W/VA
contact typeOpener / Closer / Change-over switch
max. 3 Switch points
Switch element Reed switch
Electrical connectionPVC-cable
Process connection G1/8"
Tube stainless steel 1.4301, ø 8 mm, max. Length: 1000 mm
Float Buna, ø 25 mm
Temperature range-10°C to +80°C
Density min. 850 kg/m³
Mountig direction vertical ± 30°
Enclosure IP54
 
 
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