GRUNDFOS Grundfos High-efficiency Circulator Pump ALPHA2 25-60 N 180mm 1x230V G1_1/2 DACH – 99271971

High-efficiency wet runner circulator pump ALPHA2 with permanent magnet motor (ECM technology) and integrated electronic power adjustment through stepless speed control. Suitable for hydraulic balancing. With AutoAdapt and automatic night setback function. LED display for optional indication of power consumption or flow rate and pump setting. Electrical connection via proven ALPHA plug. Synchronous motor with ECM technology and highest efficiencies, high starting torque, with blocking protection and automatic start function, integrated full motor protection and dry-running protection function. Summer mode function optionally activatable. Thermal insulation shells, connection plug, and 2 flat gaskets for the screw connection included in the scope of delivery. Versions/Functions/Features: - Energy Efficiency Index EEI (Best in Class, as EEI <= 0.20) ALPHA2 xx-40 EEI <= 0.15 ALPHA2 xx-60 EEI <= 0.17 ALPHA2 xx-80 EEI <= 0.18 - Single pump with cast iron housing (variant ..N with stainless steel housing) - Kynar coating of the stator housing (and the cast iron housing) for maximum corrosion resistance and longevity. - AutoAdapt function finds the optimal setting through self-adapting characteristic curve. - Control/setting types: Proportional pressure control, constant pressure control, 3 fixed speeds, AutoAdapt. - Automatic night setback optionally activatable for further energy savings. - Media temperatures +2°C to +110°C. - Integrated LED display for optional indication of current power consumption in W or flow rate in m3/h and current pump setting. - Thermal insulation shells as standard - Available in common installation dimensions: 130 mm, 180 mm, G 1", G 1.1/2", G 2". - Simple electrical installation via ALPHA plug. - Compact design, also for confined spaces. - Pump ALPHA2, with ALPHA-Reader MI401 (accessory) and the free GO-Balance app, suitable for hydraulic balancing.