
The KSB Ama Drainer 302 is a high-quality dirty water submersible pump with slightly more power than the 301, its smaller brother. Do you need even more power? Then there is the 303 from the Ama Drainer N series.
✓ The 10-meter power cable often eliminates the need for an extension cord
✓ You can safely leave the submersible pump on; the automatic float switch will turn it off
✓ Simple installation and commissioning thanks to a ready-to-connect system
✓ Maintenance-free due to lifetime-lubricated bearings
✓ Low weight, corrosion-resistant, impact-resistant, wear-resistant, sound-dampening due to high-quality plastic eye housing with stable handle
Product Sheet
✓ Utility and wastewater
✓ Clean water and lightly contaminated water
✓ Drainage, discharge, dewatering systems and lowering of groundwater levels
✓ Not suitable for sand
Dewatering of clean or contaminated water. Dewatering of basements, keeping pits, shafts, and rooms dry. Discharge of wastewater in basement areas (e.g., sinks, showers, washing machines). Lowering of surface water. As an emergency pump for floods. Pumping water from watercourses or reservoirs for irrigation. 10 m connection cable allows a true immersion depth of 7 m. Partially flowed-around motor for optimal motor cooling even when not submerged. Automatic venting with additional vent screw. Removable suction strainer allows residual water suction. Automatic flushing device possible.
| GENERAL | TECHNICAL | ||
|---|---|---|---|
| Supplier's article number | With float: 39300074 · Without float: 39300076 | ||
| Certification |
IP66 (continuously submerged) according to EN 60529 / IEC 529 |
Pump |
Single-stage plastic-eye centrifugal pump with cooling jacket. |
Installation |
Vertical movable wet installation |
Impeller |
Multi-channel impeller, free passage of 10 mm. |
Medium |
Clean and lightly contaminated water with solid particles up to a grain size of 10 mm. Max. medium temperature: 50 °C, briefly up to 90 °C. Wastewater without faeces. |
Motor |
Jacket-cooled single-phase AC motor with built-in thermal switch. |
Operating mode |
Continuous operation. |
Shaft seal | On motor side 1 shaft seal and on pump side 2 mechanical shaft seals with a fluid chamber between the seals for cooling and lubrication. |
| Material |
Stainless steel, glass fiber reinforced plastic | Voltage |
230 Volt |
| Usage | See manual | Supplied with | 10 meter connection cable with mains plug. |
*This submersible pump model is not suitable for pumping sand (warranty is void in case of improper use).
Manual

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