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Description
UPS50-80/4 wet-rotor, cast iron circulator pump with 2" flanged connection and a 3/4 HP, 230v, three phase, 3-speed motor for hydronic heating and cooling in closed loop systems. It has a flow range of 20-180 GPM and a head range of 1-62 feet. Flange gaskets are included, but flanges are sold separately. Grundfos UPS Series pumps feature a 3-speed motor, which allow the user to adjust the pump speed to fit their specific application. Ceramic bearings ensure years of quiet, trouble-free operation and quick connect terminals provide easy installation.
Specifications
| Manufacturer | Grundfos |
|---|---|
| Part Number | 96404959 |
| Model | UPS50-80/4 |
| Speed Number | 3 |
| Maximum head | 26.25 ft |
| Approvals | CCSAUS |
| Pump housing | Cast iron, EN 1561 EN-GJL-250, ASTM 35 B - 40 B |
| Impeller | Stainless steel, EN 1.4301, AISI 304 |
| Range of ambient temperature | 32 .. 104 °F |
| Maximum operating pressure | 145.04 psi |
| Type of connection | DIN |
| Pipe connection | GF 50 |
| Pressure rating for connection | PN 10 |
| Port-to-port length | 11 1/2 in |
| Connect code | F |
| Pumped liquid | Water |
| Liquid temperature range | 14 .. 248 °F |
| Selected liquid temperature | 140 °F |
| Density | 61.35 lb/ft³ |
| Power input in speed 1 | 0.6437 HP |
| Power input in speed 2 | 620 W |
| Max. power input | 720 W |
| Main frequency | 60 Hz |
| Rated voltage | 1 x 230 V |
| Current in speed 1 | 2.6 A |
| Current in speed 2 | 3.4 A |
| Current in speed 3 | 3.8 A |
| Cos phi in speed 1 | 0.81 |
| Cos phi in speed 2 | 0.79 |
| Cos phi | 0.83 |
| Capacitor size - run | 16 µF/400 V |
| Number of poles | 4 |
| Enclosure class (IEC 34-5) | X4D |
| Insulation class (IEC 85) | H |
| Built-in motor protection | CONTACT |
| Thermal protec | internal |
| R a | 5.5 - 7.25 ohm |
| R s1 | 2.65 - 3.5 ohm |
| R s2 | 4.95 - 6.5 ohm |
| Relay | with relay |
| Terminal box position | 1.30H |
| Net weight | 62.1 lb |
| Gross weight | 66.5 lb |
| Shipping volume | 3.46 ft³ |