Overview of Primary Product

5 As at: 10/2010 - Subject to change without prior notice
Standard Circulating Pumps
Product review
Technical data Wilo-TOP-S
Electrical connections
Power supply 1~ [V] 115 115 115 115 115 115 115 – –
230 230 230 230 230 230 230 230 –
Power supply 3~ [V] – – 208-230 208-230 208-230 208-230 208-230 – 208-230
––––460460460–460
––––575575575–575
Frequency [Hz] 60 60 60 60 60 60 60 60 60
Motor/Electronics
Degree of protection Enclosure 2
Protection class HHHHHHHHH
Materials
Pump housing Cataphoretic coated cast iron (EN-GJL-250)
Impeller Engineered composite (PP - 50% GF)
Shaft Stainless steel (X46 Cr13)
Bearing Metal impregnated carbon
Minimal static inlet pressure at
pump suction port [psi] to avoid
cavitation at fluid temperatures
140 °F (60 °C) 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8
194 °F (90 °C) 7.3 7.3 7.3 7.3 7.3 7.3 7.3 7.3 7.3
248 °F (120 °C) 29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9
Wilo-TOP-S...
1.25x15 1.25x25 1.25x35 1.5x20 1.5x30 1.5x40 1.5x50 1.5x60 1.5x70
• = available, – = not available