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ESPA Silen I 50 12 M 0.5 HP 230 V Single-Phase Pump – 203145
Espa
| SKU:
203145
197,35 €
Unit price
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ESPA Silen I 50 12 M 0.5 HP pump for pool recirculation and filtration. Single-phase 230 V, self-priming up to 4 m, quiet, with 50 mm connections and IPX5 protection. Ref. 203145.
ESPA Silen I 50 12 M 0.5 HP 230 V Single-Phase Pump – 203145 subject to supplier availability.
Estimated delivery time: 3 to 7 business days
Description
Description
ESPA Silen I 50 12 M – reference 203145:
single-stage centrifugal pump for
pool water recirculation and filtration,
designed to provide quiet and reliable operation.
Main advantages
- Quiet operation.
- Self-priming up to 4 m.
- Built-in thermal protection.
- Designed for continuous operation.
- Connection unions included.
Materials and construction
- Body, impeller, diffuser, suction and discharge in technopolymer.
- Pump shaft in AISI 431.
- Aluminum motor housing.
- NBR/EPDM seals.
- 2-pole asynchronous motor.
Technical specifications ESPA Silen I 50 12
| Reference | 203145 |
|---|---|
| Model | Silen I 50 12 |
| Power supply | 1~ 230 V single-phase |
| Current | 2.8 A |
| Input power P1 | 0.65 kW |
| Useful power P2 | 0.37 kW / 0.5 CV |
| Capacitor | 12 µF |
| Connections | 50 mm |
| Protection | IPX5 |
| Insulation | Class F |
| Maximum water temperature | 40 °C |
| Weight | 10.2 kg |
| Cable | Not included |
Hydraulic efficiency
| Flow rate | 1.5 m³/h | 3 m³/h | 4.5 m³/h | 6 m³/h | 9 m³/h | 12 m³/h |
|---|---|---|---|---|---|---|
| Head | 12.3 mWC | 11.9 mWC | 11.3 mWC | 10.5 mWC | 8.1 mWC | 4.6 mWC |
The available flow rate depends on the head and the pressure losses
of the system's head losses. To replace another pump, it is advisable to compare
the operating point, not just the power in CV.
Dimensions
| A | B | C | D | E | F | G | I | J | K | L |
|---|---|---|---|---|---|---|---|---|---|---|
| 439 mm | 192 mm | 115 mm | 304 mm | 210 mm | 50 mm | 221 mm | 264 mm | Ø9 mm | 108 mm | 212 mm |
ESPA Silen I range comparison
| Model | Reference | P2 | Current | Tabulated flow rate |
|---|---|---|---|---|
| Silen I 33 8 | 203144 | 0.25 kW / 0.33 CV | 2 A | Up to 9 m³/h |
| Silen I 50 12 | 203145 | 0.37 kW / 0.5 CV | 2.8 A | Up to 12 m³/h |
| Silen I 100 15 | 203146 | 0.75 kW / 1 CV | 3.8 A | Up to 17.4 m³/h |
Performance curve at 2900 rpm
For replacements:
if you are replacing an ESPA Iris or another existing pump, check
connection dimensions and positions, and hydraulic curve
before making the replacement.
