Tsurumi - OMA5 Domestic Drainage Pump - 230V - Single Phase - Automatic

The Tsurumi - OMA5 Domestic Drainage Pump - 10-10-1241 is a compact and efficient submersible pump designed for residential and light industrial Uses. This automatic model offers reliable dynamic performance for managing drainage and wastewater in various settings.

TheOMApumps are light, compact, have energy efficient motors and integral anti-airlock valves. Available with a tube type float switch, for automatic operation in areas with limited space or where precise level control is required. Liquid paraffin is used for the lubrication oil, which enables use in food processing and aquaculture. They are not recommended for ponds or water features.

Users of 230 volts have the option to select from two versions: the "domestic" is supplied with a hose tail, a Hose Clip - Stainless Steel (for fitting to flexible discharge hose) and a 3 pin plug (fitted with a 5 amp fuse).

The "industrial" has a female BSP outlet (for fitting rigid waste pipe) but a plug is not supplied. 110Volt pumps are supplied as "industrial".

Technical Details:

• Model: OMA5 (Automatic)
• Voltage: 230V (Single Phase)
• Power: 0.15 kW
• Outlet Size: 32mm
• Maximum Flow Rate: 185 l/min
• Maximum Head: 7.5 metres
• Free Passage: 10mm

Product Sizing:

• Dimensions: 177 x 203 x 319mm (W x L x H)
• Dry Weight: 6.1 kg

Operational Features:

• Automatic Operation: On Level at 222mm, Off Level at 66mm
• Industrial Classification: Domestic use

The OMA5 pump is equipped with an integral anti-airlock valve and an energy-efficient motor, making it suitable for pumping waste containing small solids and fibrous material. Its lightweight design and compact size allow for easy installation and maintenance in confined spaces. The automatic float switch ensures hassle-free operation by activating the pump when water levels rise and shutting it off when the water recedes to the preset level.

Real-world product applications

• Dewatering areas such as pits, sumps, and low points
• Draining water from site works and excavations
• Removing unwanted water from tanks and containers
• Supporting general drainage and clean-up tasks
• Assisting with temporary water transfer

Key Product Features

• Flow rate: 185 Ltr/min
• Water type: Dirty Water
• Voltage: 230V
• Maximum head: 7.5m

Tsurumi (est. 1924) is a Japanese manufacturer specialising in heavy-duty submersible pumps for drainage, construction dewatering and wastewater. Product ranges include contractor dewatering, slurry and sewage pumps. Common applications include site dewatering, civil engineering, tunnelling, quarrying and public wastewater projects requiring solids handling.