GRUNDFOS HIGH EFFICIENCY CIRCULATION PUMP ALPHA2 25-60 180MM 1X230V G1_1/2 ROOF
GRUNDFOS HIGH EFFICIENCY CIRCULATION PUMP ALPHA2 25-60 180MM 1X230V G1_1/2 ROOF
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High efficiency circulation pump ALPHA2 25-60 180
High-efficiency wet rotor pump with permanent magnet motor (ECM technology) and integrated, electronic power adjustment through stepless speed change.
With AutoAdapt and automatic night-time reduction function and optional display of power consumption or flow rate. Electrical connection via ALPHA plug, which has been tried and tested millions of times. Synchronous motor with ECM technology and maximum efficiency, high starting torque with blocking protection and integrated full motor protection. Dry-running protection and start-up function. Thermal insulation shell included in delivery.
Versions/Functions/Features:
• High efficiency EC permanent magnet motor technology
• Liability agreement: 5-year guarantee in Germany
• Single pump with cast iron housing
• Cataphoresis coating for maximum corrosion resistance and durability
• Eligible for funding under 'Heating Optimization'
• AutoAdapt function finds the optimal setting through self-adapting characteristic curve
• Other control/setting types: proportional pressure control, constant pressure control, 3 fixed speeds
• Meets the requirements of EnEV Paragraph 14 Paragraph 3
• Media temperatures +2C to +110°C
• Automatic night-time reduction for further energy savings
• Integrated LED display with optional display of power consumption or current volume flow
• Thermal insulation shells according to EnEV
• Simple electrical installation thanks to proven ALPHA connector
• Compact design for confined spaces
Pumping medium:
Pumped medium: water
Media temperature range: 2 .. 110 °C
Media temperature during operation: 60 °C
Density: 983.2 kg/m³
Technical data:
Temperature class: 110
Test mark on the type plate: CE,VDE
Materials:
Pump housing: grey cast iron
Pump housing: EN-GJL-150
Pump housing: ASTM A48-150B
Wheel: PES with 30% glass fibre
Installation:
Ambient temperature: 0 .. 40 °C
Max. operating pressure: 10 bar
Nominal diameter: G 1 1/2
Nominal pressure: PN 10
Installation length: 180 mm
Electrical data:
Power consumption P1: 3 .. 34 W
Mains frequency: 50 / 60 Hz
Rated voltage: 1 x 230 V
Maximum current consumption: 0.04 .. 0.32 A
Degree of protection (according to IEC 34-5): X4D
Thermal class (IEC 85): F
Miscellaneous:
Energy Efficiency Index (EEI): 0.17
Net weight: 1.98 kg
Gross weight: 2.11 kg
Shipping volume: 0.004 m³
| Material quality | Other |
| Electrical connection | Other |
| Protection class (IP) | IPX4 |
| Housing material | cast iron |
| Nominal inner diameter | DN25 |
| Connection | External thread gas cylindrical (BSPP) |
| Max. medium temperature (continuous operation) (°C) | 110.0 |
| Min. medium temperature (continuous operation) (°C) | 2.0 |
| Pressure level flange | PN10 |
| Pressure Level Article | PN10 |
| Rated current (A) | 0.32 |
| frequency | 50/60Hz |
| Oval flange shape | No |
| Communication bus | Without |
| Motor speed control | Built-in |
| Connection voltage | 1 x 230V |
| Discharge head at nominal flow rate (kPa) | 32.16 |
| Insulation class according to IEC | F |
| Motor power consumption (P1) (W) | 34.0 |
| Nominal volume flow (m³/h) | 1.94 |
| Pump height (mm) | 104.0 |
| Material impeller/pump wheel | plastic |
| Installation length (mm) | 180.0 |
| Type of speed control | Stepless |
| Width 1 (mm) | 44.0 |
| Width 2 (mm) | 44.0 |
| Double pump | No |
| Connection dimensions pump housing | 1 1/2 inch |
| Energy Efficiency Index (EEI) | 0.17 |
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