Submersible drainage pumps with explosion protection
US 73 EX- US 103 EX
Explosion-proof wastewater pumps for sewage systems in potentially explosive areas
US 73 Ex and US 103 Ex are designed for reliable wastewater pumping in hazardous areas. With certified explosion protection, they are ideally suited for pump chambers, collection chambers and wastewater systems in commercial, industrial and municipal applications, ensuring dependable operation under demanding conditions.
- Stationary use
- 30 mm free passage
- Controllable oil chamber
- SiC mechanical seal independent of sense of rotation
- Replaceable moisture sealed cable inlet

These robust centrifugal submersible drainage pumps US 73 Ex and US 103 Ex can be used for the handling of contaminated water containing fibres and particles up to 30 mm size (no stones). The pumps are suitable for mounting in collection chambers and pits located in hazardous areas. Hazardous areas are usually designated where the drainage system is fed from areas with vehicles, car parks, garages, tank farms or laboratories, etc.
Type of protection Ex II 2 G Ex db IIB T4 Gb
The light weight of the pumps and low power consumption make the unit ideal for dealing with contaminated liquids in an economic manner.
This range of pumps is suitable for stationary use. For easy removal of the pumps from deep sumps we recommend the use of our guide rail systems GR 40 which provide ease of maintenance and inspection. A controllable oil chamber and wear-resistant special mechanical seal ensure a long service life. For automatic monitoring of the oil chamber a seal leak control can be connected.
According to Ex-proof testing regulations, these pumps are provided with winding thermostats and can only be used with the equivalent control unit (see accessories).
Pump according to EN 12050 ready for connection with 10 m cable.
Specifications can be changed without notice. Performance subject to ISO 9906 tolerances.
The minimum flow velocity in the pressure piping must be 0.7 m/s according to EN 12056.
This data is represented in the performance curve as a limit of application.
4 results
| Type | Code No. | Voltage | Motor rating P1 | Motor rating P2 | Current |
|---|---|---|---|---|---|
JP09292 | 1/N/PE~230 V | 0.83 kW | 0.5 kW | 3.9 A | |
JP00595 | 3/PE~400 V | 0.85 kW | 0.6 kW | 1.4 A | |
JP09294 | 1/N/PE~230 V | 1.37 kW | 0.98 kW | 6 A | |
JP09293 | 3/PE~400 V | 1.36 kW | 1.06 kW | 2.4 A |