Bilge switch
For installation in ships, usually under difficult conditions, such as the simultaneous presence of various liquids, such as oils, water with solids and gasoline.
The details listed correspond to the maximum possible specification according to the product options.
UNS-VA/SB5 Bilge switch
Switching function | SPST (NO / NC) or SPDT |
Switching capacity | max. 230 VAC / 230VDC, max. 2.0 A, max. 40 VA / W |
Electrical connection | Polymer cable, 2m / 5m / 10m / 15m |
Enclosure | IP68 |
Temperature | ‘-20 °C … +70 °C |
Medium density | > 0.80 g/cm3
|
Max. Pressure | 3 bar |
Mounting direction | vertical ±15° |
Process connection | Retaining bracket |
Material | Stainless steel, PE, polymer; PA |
Approvals | LR, GL, BV, ATEX Ex ia |
Options | Test function, wire breakage check |
Downloads

UNS-VA/SB4 Bilge switch
Switching function | SPST (NO / NC) or SPDT |
Switching capacity | max. 230 VAC / 230VDC, max. 2.0 A, max. 40 VA / W |
Electrical connection | Polymer cable, 2m / 5m / 10m / 15m |
Enclosure | IP68 |
Temperature | ‘-20 °C … +70 °C |
Medium density | > 0.80 g/cm3
|
Max. Pressure | 3 bar |
Mounting direction | vertical ±15° |
Process connection | Retaining bracket |
Material | Stainless steel, PE, polymer; PA |
Approvals | LR, GL, BV, ATEX Ex ia |
Options | Wire breakage check |
Downloads

UNS-VA/SB-VA52
Switching function | SPST (NO / NC) or SPDT |
Switching capacity SPST | 250 VAC / 250 VDC / 3.0 A / 100 W / VA |
Switching capacity SPDT | 140 VAC / 140 VDC / 1.0 A / 60 W / VA |
Electrical connection | Shipbuilding cable 2m / 5m / 10m |
Enclosure | IP67 |
Temperature | ‘-20 °C … +80 °C |
Medium density | > 0.70 g/cm3 |
Max. Pressure | 10 bar |
Installation position | vertical ±15° |
Process connection | Retaining bracket |
Material | Stainless steel 1.4571 |
Approvals | UL, RINA, ATEX Ex ia |
Downloads
