UNILIFT AP12.40.04.A3 Submersible Pump

The Grundfos UNILIFT AP12.40.04.A3, reference 96011025, is a high-performance submersible drainage pump made from AISI 304 stainless steel, specifically designed for pumping non-aggressive domestic wastewater and grey water with suspended solids up to 12 mm in diameter. Thanks to its robust construction and compact design, it is suitable for both portable and fixed installation, making it ideal for basements, pits, tanks, and other water evacuation applications.

Equipped with a semi-open impeller made of stainless steel and a cooling jacket that allows continuous motor cooling by the pumped liquid itself, this pump ensures a long service life and thermal efficiency. Additionally, it incorporates a double mechanical seal system with an intermediate chamber filled with non-toxic lubricant and permanently lubricated ball bearings.

It comes with an integrated float switch for automatic start/stop, a control box with thermal protection, and a 10 m power cable with a carrying handle for easy handling. The entire system is ready for immediate use and meets the most stringent certifications for both indoor and outdoor installations.

Recommended Applications

• Pumping domestic and grey wastewater
• Evacuation of basements, garages, or settling pits
• Drainage of rainwater or surface water in residential areas
• Indoor and outdoor installations up to 7 m depth

Technical Features

• Maximum flow rate: 3.89 l/s
• Maximum installation height: 7 m
• Particle size: up to 12 mm
• Impeller: Semi-open (SEMI OPEN)
• Liquid temperature: 0 – 55 °C
• Nominal operating temperature: 20 °C
• Protection class: IP68
• Insulation class: F

Electrical Data

• Power absorbed (P1): 0.7 kW
• Useful power (P2): 0.4 kW
• Power supply: 3 × 400 V, 50 Hz
• Nominal current: 1.2 A
• Motor speed: 2800 rpm
• Power factor (cos φ): 0.83

Materials

• Body and casing: Stainless steel EN 1.4301 / AISI 304
• Impeller: AISI 304 stainless steel
• Hydraulic connection: Rp 1½”

Dimensions and Weight

• Cable length: 10 m
• Net weight: 12.7 kg
• Gross weight: 13.0 kg

Certifications and Standards

• Approvals: CE, UKCA, EAC, RCM, SEPRO, TUVRHWID, CNROHSEXP, LGABG
• Country of origin: Hungary
• Customs tariff: 84137021
• Environmental regulations: WEEE

The Grundfos UNILIFT AP12.40.04.A3 offers a perfect combination of reliability, efficiency, and ease of use. Its stainless steel construction and versatility make it an optimal solution for domestic grey or rainwater evacuations, both in permanent and temporary installations.