Universal Level Switch
Multi-Level Float Switch
Multi-level float switches for vertical installation offer up to 7 switch points for level detection.
Type LS-400E
Type LS-800E
Type UNS 1000
Type UNS 1000-S
Type UNS 2000
Type UNS 2000-S
Type LS-400E
Multi-level float switches made from brass/BunaN or made completely from stainless steel, with max. 4 switch points.
Switch function | Opener / Closer / Change-over switch |
Contact rating Opener / Closer | SPST 50 VA/0.5 A/250 VAC |
Contact rating Change-over switch | SPDT 10 VA/0.3 A/100 VDC |
Switch points | Max. 4 |
Mountig direction | Vertical |
Medium density | stainless steel float ≥ 850 kg/m³ Buna N float ≥ 460 kg/m³ |
Temperature | stainless steel -20 to +150°C Brass -20 to +80°C |
Enclosure | IP65 |
Pressure | stainless steel max. 20 bar Brass max. 10 bar |
Tube length L | max. 800 mm |
Process connection | Standard G1″ |
Connecting Housing | Aluminium 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 function | Opener / Closer / Change-over switch |
Contact rating Opener / Closer | SPST 100 VA/3.0 A/250 VAC |
Contact rating Change-over switch | SPDT 20 VA/0.5 A/250 VAC |
Switch points | max. 7 |
Mountig direction | Vertical |
Medium density | Stainless steel float ≥ 800 kg/m³ Buna N float ≥ 580 kg/m³ |
Temperature | Stainless steel -40 to +150°C Brass -40 to +80°C |
Enclosure | IP65 |
Pressure | Stainless steel max. 30 bar Brass max. 10 bar |
Tube length L | max. 3000 mm |
Process connection | Standard: BSPP 2″ |
Connecting Housing | Aluminium 58 x 64 x 36 mm Aluminium 98 x 64 x 36 mm |
Downloads

Type UNS 1000
The multi-level float switch series UNS1000 can be supplied with up to 5 switch points.
Switch function
| Opener / Closer / Change-over switch |
Contact rating Opener / Closer | 230 V AC / DC, 2 A, 40 VA / W |
Contact rating Change-over switch
| 150 V AC, 100 V / DC, 0.2 A, 3 VA / W |
Electrical Connection | Various |
Enclosure | IP54 / IP65 / IP67 / IP68 |
Temperature | -40…+150°C
|
Medium density | 0,57g/cm³
|
Pressure | 4 bar / 15 bar |
Mounting direction | Vertical, ± 30° |
Tube length L | Max. 1000 mm |
Process connection | Various / In image: BSPP 3/8″ |
Downloads

Type UNS 1000-S
The multi-level float switches of the UNS1000-S series are available with specific limitations for shipbuilding to meet the requirements for shock, vibration, and environmental conditions.
Switch function | Opener / Closer / Change-over switch
|
Contact rating Opener / Closer | 230 V AC / DC, 2 A, 40 VA / W |
Contact rating Change-over switch | 150 V AC, 100 V / DC, 0.2 A, 3 VA / W |
Electrical Connection | Aluminum terminal box or cable |
Enclosure | IP65 |
Temperature | 100 / 150°C
|
Medium density | 0.57 g/cm³ |
Pressure | 15 bar |
Mounting direction
| Vertical, ± 30°
|
Tube length L
| Max. 1000 mm
|
Process connection
| Various / In image: BSPP 1″ tank fitting
|
Downloads

Type UNS 2000
The multi-level float switches of the UNS2000 series can be supplied with up to 6 switch points and with a length of up to 3000 mm.
Switch function
| Opener / Closer / Change-over switch
|
Contact rating Opener / Closer
| 250 V AC / DC, 3 A, 100 VA / W |
Contact rating Change-over switch
| 140 V AC, 100 V / DC, 1 A, 60 VA / W |
Electrical Connection | Various |
Enclosure | IP54 / IP65 / IP67 / IP68 |
Temperature | -40…150°C
|
Medium density
| 0.6 g/cm³ (brass) / 0.54 g/cm³ (stainless steel) |
Pressure | 15 bar / 17 bar / 40 bar |
Mounting direction
| Vertical, ± 30°
|
Tube length L
| Max. 3000 mm
|
Process connection
| Various / In image: Flange DIN 2527, DN 65/PN16
|
Downloads

Type UNS 2000-S
The multi-level float switches of the UNS2000-S series are available with specific limitations for shipbuilding to meet the requirements for shock, vibration, and environmental conditions.
Switch function
| Opener / Closer / Change-over switch
|
Contact rating Opener / Closer
| 250 V AC / DC, 3 A, 100 VA / W |
Contact rating Change-over switch
| 140 V AC / DC, 1 A, 60 VA / W
|
Electrical Connection | Aluminum terminal box or cable
|
Enclosure | IP65
|
Temperature | 80°C / 100°C / 150°C |
Medium density
| 0,54 g/cm³
|
Pressure | 15 bar / 17 bar / 40 bar
|
Mounting direction
| Vertical, ± 30°
|
Tube length L
| Max. 2000 mm
|
Process connection
| Various / In image: BSPP 2″ tank fitting
|
Downloads
