Grundfos 96404966 UPS 50-80/4 F B wet-rotor circulator pump, 3/4 HP, 460V three-phase, 60 Hz. Bronze housing with stainless steel impeller, 2-inch DIN flanged connections, 80 dm (26.2 ft) maximum head. Two-speed operation with external thermal protection. Suitable for closed-loop hydronic heating and chilled water systems.

Approvals

CCSAUS,IAPMO

Built-in motor protection

CONTACT

Connect code

F

Cos phi

0.66

Cos phi in speed 2

0.78

Current in speed 2

0.72 A

Current in speed 3

1.22 A

Density

983.2 kg/m³

Density (lb/ftBi)

61.35

Enclosure class (IEC 34-5)

X4D

Impeller

Stainless steel

Insulation class (IEC 85)

H

Liquid temperature range (°C)

-10 - 120

Mains frequency

60 Hz

Max. power input

640 W

Maximum head

80 dm

Maximum operating pressure (bar)

10

Model

C

Number of poles

4

Pipe connection

GF 50

Port-to-port length

292 mm

Power input in speed 2

450 W

Pressure rating for connection

PN 10

Product name

UPS 50-80/4 F B

Product no

96404966

Pump housing

Bronze

Pumped liquid

Water

Range of ambient temperature (°C)

0 - 40

Rated voltage

3 x 460 V

Relay

without relay

Selected liquid temperature (°C)

60

Speed no

2

Temperature range (F)

14 .. 248

Terminal box position

1.30H

Thermal protec

external

Type of connection

DIN

Winding resistance

79.0 - 104.0 ohm