Multi-Level Float Switch
Multiple float switches for vertical installation offer up to 7 switching points for level detection.
The details listed correspond to the maximum possible specification according to the product options.
UNS1000
Switching function | SPST (NO / NC) or SPDT |
Switching capacity NC/NO contact | 230 VAC / VDC, 2 A, 40 VA / W |
Switching capacity changeover switch | 150 VAC, 100 VDC, 0.2 A, 3 VA / W |
Enclosure | IP65 / IP67 |
Temperature | -40 °C … +150 °C |
Medium density | >0.57 g/cm3 |
Frame material | Brass / stainless steel |
Float material | NBR / stainless steel |
Pressure | max.15 bar @20°C |
Mounting direction | Vertical, ±30°, from above or below |
Pipe length L0 | up to 1000mm |
Process connection | G1/8‘ / G3/8’, G1/2‘, G1’, 1’ NPT, M20x1.5, various flanges |
Electrical connection | Cable, plug, terminal box |
Approvals | UL, ATEX Ex ia |
Options | up to 5 switching points, temperature sensor PT100, temperature switch TS, damping tube |
Downloads

UNS1000-S
Switching function | SPST (NO / NC) or SPDT |
Switching capacity NC/NO contact | 230 VAC / VDC, 2 A, 40 VA / W |
Switching capacity changeover switch | 150 VAC, 100 VDC, 0.2 A, 3 VA / W |
Enclosure | IP65 / IP67 |
Temperature | -40 °C … +150 °C |
Medium density | >0.57 g/cm3 |
Frame material | Stainless steel |
Float material | Buna N / stainless steel |
Pressure | max.15 bar @20°C |
Mounting direction | Vertical, ±30°, from above or below |
Pipe length L0 | up to 1000mm |
Process connection | G1’, various flanges |
Electrical connection | Cable with shipbuilding approval, terminal box |
Approvals | DNV, LR, BV, ATEX Ex ia |
Options | up to 5 switching points, temperature sensor PT100, temperature switch TS, damping tube |
Downloads

UNS2000
Switching function | SPST (NO / NC) or SPDT |
Switching capacity NC/NO contact | 250 VAC / 250VDC, 3 A, 100 VA / W |
Switching capacity changeover switch | 140 VAC / 100 VDC, 1 A, 60 VA / W |
Enclosure | IP54 / IP65 / IP67 |
Temperature | ‘-40 °C … +150 °C |
Medium density | >0.54 g/cm3 |
Frame material | Brass / stainless steel |
Float material | Buna N / stainless steel |
Pressure | max. 40 bar @20°C |
Mounting direction | Vertical, ±30°, from above or below |
Pipe length L0 | up to 3000mm |
Process connection | G3/8‘, G1/2’, G1‘, 2’ NPT, various flanges |
Electrical connection | Cable, plug, terminal box |
Approvals | UL, ATEX Ex ia |
Options | up to 5 switching points, temperature sensor PT100, temperature switch TS, damping tube, high temperature |
Downloads

UNS2000-S
Switching function | SPST (NO / NC) or SPDT |
Switching capacity NC/NO contact | 250 VAC / 250VDC, 3 A, 100 VA / W |
Switching capacity changeover switch | 140 VAC / 100 VDC, 1 A, 60 VA / W |
Enclosure | IP54 / IP65 / IP67 |
Temperature | ‘-40 °C … +150 °C |
Medium density | >0.54 g/cm3 |
Frame material | Stainless steel |
Float material | Buna N / stainless steel |
Pressure | max. 40 bar @20°C |
Mounting direction | Vertical, ±30°, from above or below |
Pipe length L0 | up to 2000mm |
Process connection | G2’, various flanges |
Electrical connection | Cable with shipbuilding approval, terminal box |
Approvals | DNV, LR, BV, RINA, ATEX Ex ia |
Options | up to 5 switching points, temperature sensor PT100, temperature switch TS, damping tube, high temperature |
Downloads
