Grundfos UNILIFT KP250-M-1 Manual

The Grundfos UNILIFT KP250-M1 is a compact stainless steel submersible pump designed for pumping grey water and non-aggressive water in residential, commercial, and light industrial drainage applications. This manual version operates via an external switch or control system, making it ideal where precise control or integration with automation panels is required.

Built with corrosion-resistant stainless steel components and a durable motor design, the KP250-M1 delivers reliable performance for both portable and fixed installations. The semi-open impeller allows the pump to handle small particles commonly found in drainage water, while continuous motor cooling through the pumped liquid ensures dependable operation during extended use.

FEATURES

• Manual operation for use with external switches, timers, or control systems
  
• Stainless steel construction for corrosion resistance and long service life
  
• Compact portable design with integrated carrying handle
  
• Semi-open impeller allowing passage of particles up to 10 mm
  
• Double shaft seal with grease chamber for improved reliability
  
• Continuous motor cooling via pumped liquid
  
• Internal thermal overload protection for motor safety
  
• Suitable for permanent or portable installations

APPLICATIONS

• Sump and pit drainage with external control systems
  
• Grey water pumping in residential and commercial buildings
  
• Rainwater and surface water removal
  
• Water transfer and emergency dewatering
  
• Basement and utility room drainage
  
• Integration with control panels or automation systems

SPECIFICATIONS

• Maximum flow: 3.11 L/s (approx. 187 L/min)
  
• Maximum head: 7.5 m
  
• Maximum particle size: 10 mm
  
• Liquid temperature range: 0°C to 50°C
  
• Power input (P1): 480 W
  
• Voltage: 1 x 230–240 V, 50 Hz
  
• Rated current: 2.2 A
  
• Connection size: Rp 1¼" (BSP)
  
• Enclosure class: IP68
  
• Insulation class: F
  
• Maximum installation depth: 2 m
  
• Cable length: 5 m with AU plug
  
• Net weight: approx. 7 kg