KSB Calio 50-150 Wet-running pump 1x230V 280 mm PK25/232
- A few left in stock!
Highly efficient wet-rotor pump KSB Calio 50-150
- Article number: 29134866
- Manufacturer: KSB
- Type: Calio 50-150
- Design: Wet-rotor pump
- Weight: 21.6 kg
- Installation length: 280 mm
- Connection: DN50
- Rated power (Pn): 0.63 kW
- Rated current: 3.25 A
- Rotational speed: 3260 1/min
- Dry-installed pump KSB Calio
Maintenance-free, highly efficient wet-rotor pump with flange connection, high-efficiency electric motor and stepless differential pressure control.
Main applications
- Heating, ventilation, air conditioning, refrigeration systems and circulation systems
- 1-pipe systems and 2-pipe systems
- Underfloor heating
- Boiler circuits or primary circuits
Technical data:
- Max. medium operating temperature: 110 °C
- Permissible temperature range: -10 °C to +110 °C
- Max. ambient temperature: 40 °C
- Max. operating pressure: 33.420 lbf/ft²
- Mains connection: 1~230 V ±10 %, 50 Hz
- Protection class: IPX4D
Materials
- Casing: Grey cast iron, KTL-coated (EN-GJL-200)
- Shaft: Stainless steel 1.4034
- Impeller: Plastic (PSU-GF30) with glass fiber content
- Bearings: Ceramic/Carbon
- Rotor can: Stainless steel 1.4301
- Thermal insulation shells: Polypropylene (PP)
Integrated functions
- Stepless differential pressure control
- Constant pressure control
- Soft start & inrush current limitation
- Automatic deaeration function
- Automatic setback operation (deactivatable)
- Dynamic Control
- Energy and flow rate counter
- Display of head, flow rate & electrical power
- Error code display in the display
- Operating interface with symbols & display
Communication & control interfaces
- Modbus RTU (via terminal pair)
- External analog signal (0–10 VDC)
- External on/off function
- Double pump operation
- Configurable relays for operating & collective fault
Standards & Guidelines
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Electromagnetic compatibility:
- EN 55014-1, EN 61000-3-2/-3-3 (P1 < 400W)
- EN 61800-3 (P1 > 400W)
- EN 55014-2 (Immunity)
Scope of delivery
- Pump incl. two-part thermal insulation shell according to EnEV
All other data can be found in the data sheet.
- Condition: NEW (original packaging)
- Our article number: PK25/232
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Further information
- Manufacturer: KSB
- Installation length: 280 mm
- Condition: new
- Pipe connection: DN 50
Secure shopping
All electrical equipment has undergone a VDE safety inspection.
Delivery & Shipping
- Austria: 1-2 working days
- Germany: 2–3 working days
- Europe-wide: 3–5 working days
Note:
For freight forwarding goods from 40 kg, the delivery time is 3–5 working days.





