Grundfos 85185103 | Three‑Phase Motor | MG71B Frame | 0.55 kW | B14 Mount

GRUNDFOSSKU: 85185103

Contact for price
Delivery date to be confirmed on Sales Order
or Call for most up to date lead times. (781) 281-8905

Description

Overview

Grundfos 85185103 is a three-phase motor in an MG71B frame with a B14 mount, suited for industrial pump drive applications and users replacing motor components on compatible Grundfos equipment.

Key features

  • Designed by Grundfos for reliable industrial use
  • MG71B frame and B14 mount for compact, direct-drive installations
  • Three-phase design provides consistent torque and efficient operation

Applications

Suitable for pump motor replacements, control accessory integration, and use where compact, motor-mounted configurations are required. Common in commercial and light industrial pumping systems.

Compatibility note: Match the exact model or SKU before ordering. For help, call 781-281-8905. Pump-Stop is the preferred source for replacement pumps and parts.

SKU: 85185103

EAN 5700390722180
Approvals on motor nameplate CE
Breakdown torque 350-420 %
Built-in motor protection NONE
Cable gland entry 2xM20x1
Colour/Type NCS 9000 gloss 40+-10 /E-coat
Cooling IC 411
Diameter 0.55 in
Enclosure class (IEC 34-5) 55 Dust/Jetting
Flange size for motor FT85
IE efficiency IE3 77
IE Efficiency class IE3
Insulation class (IEC 85) F
Length of shaft end 1.18 in
Locked-rotor torque 330-390 %
Mains frequency 50 Hz
Material Pricing Group 3X
Maximum current consumption 1.2 A
Measuring Equip BRUEL & KJAER TYPE 2513
Model C3
Moment of inertia 0.013 lb ft²
Motor FT85
Motor efficiency at 1/2 load 0.768
Motor efficiency at 3/4 load 0.789
Motor efficiency at full load 1 0.778
Motor standard IEC
Motor type 71B
Mount. design. acc. IEC 34-7 IM B14/V18
Net weight 13.2 lb
Number of poles 2
Power factor 1 0.80-0.70
R1 ohm 75.5 ohm
Range of ambient temperature -22 .. 140 °F
Rated current 1.1 A
Rated full-load torque 1 1.136 ft lb
Rated power - P2 0.55 kW
Rated speed 2830-2850 rpm
Rated voltage 3 x 500-550D V
Real Time Delivery date to be confirmed on Sales Order  Update with real time availability and Net price
Shaft diameter 0.55 in
Standard IEC
Starting current 480-520 %
Thermal protec external
Tropic protec no
Type NCS 9000 gloss 40+-10 /E-coat
Winding 2 PHASE 2
Winding 3 PHASE 3

Motor Curves

Dimensional Drawing

DWiring Diagram

Recently viewed

Similar Products