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  • Grundfos UniLift AP12.50.11

Grundfos UniLift AP12.50.11

14.28 KGS


Other Details

Power input:
Max Particle Size:
7/16 in
Rated Voltage:
Rated Speed:
3350 rpm
Cable Length:
Suitable For:
Pumping surface water, groundwater, wastewater and similar liquids.


Product Description

Grundfos UNILIFT AP12.50.11 Pump

Submersible drainage pump type

  • Vertical single-stage stainless steel submersible pump with vertical discharge port and integrated submersible 1-phase totally enclosed motor in insulation class F with thermal overload protection. The pump is fitted with a suction strainer.
  • The impeller is a Semi-open impeller for 7/16 in free passage suitable for pumping groundwater, surface water, rain water and similar liquids.
  • The pump has a double shaft seal and an intermediate oil chamber pre-filled with non-toxic special oil.
  • The pump has a riser pipe, a cooling jacket for continuous cooling of the motor by the pumped liquid and long-life deep-groove greased-for-life ball bearings
  • The pump is ready for use as it is fitted with carrying handle and is supplied with a 9.843 ft mains cable. The mains cable is of the plug type with glass sealing compound in the socket to prevent penetration of humidity into the stator windings.

2 Year Standard Warranty

Pumped liquid: any viscous fluid
Liquid temperature range: 32 .. 131 °F
Density: 62.29 lb/ft³

Type of impeller: Semi-open
Maximum particle size: 7/16 in
Approvals on nameplate: CSA

Pump housing: Stainless steel
DIN W.-Nr. 1.4301
AISI 304
Impeller: Stainless steel
DIN W.-Nr. 1.4301
AISI 304

Pump outlet: 2″ NPT
Maximum installation depth: 9.843 ft

Electrical data
Type of motor: PSC
Power input – P1: 2.37 W
1.8 kW
Main frequency: 60 Hz
Rated voltage: 1 x 220-230 V
Rated current: 9 A
Starting current: 35 A
Cos phi – power factor: 0,98
Rated speed: 3350 rpm
Capacitor size – run: 20 µF/400 V
Enclosure class (IEC 34-5): IP68
Insulation class (IEC 85): F
Length of cable: 9.843 ft
Type of cable plug: NONE

Net weight: 14.28kg


Customer Reviews

"Dear 4 Pumps,

I purchased a pump off you mid Feb. Just wanted you to know best value for dollar ever. The little pump is working very hard in a factory pumping liquid with about 20% solids and hasn't missed a beat. Great pumps, thanks."

Stephen - Tasmania

"I have already recommended to you to two other locals up here with wells similar to mine about your pump and how well it was working."

Jim - Girraween

"I picked it up and its going exceptionally well, very good pump."

Evan - Ilbilbie