Description
The Grundfos 85904388 (ML80AA) is a Grundfos Accessory / Spare Part / Control. Genuine Grundfos accessory, control component, spare part, or sensor.
Genuine Grundfos Part
OEM component engineered and manufactured to Grundfos specifications. Maintains pump performance and warranty coverage.
Full Traceability
Genuine Grundfos parts carry manufacturer traceability from production through delivery. No counterfeit risk.
Authorized Source
PumpStop is an authorized Grundfos distributor. All parts are genuine — not aftermarket, not surplus.
Confirm Compatibility
Always verify part number against your pump model number and serial number before ordering. Contact PumpStop for parts identification assistance.
Technical Support Available
PumpStop technical team can identify correct parts from pump nameplate data, serial number, or model code. Call (781) 281-8905 or chat.
Contact for Availability
Parts availability varies. Contact PumpStop to confirm stock, lead time, and pricing before placing an order.
| Model Number | 85904388 |
| Product Series | ACC |
| Series Description | Grundfos Accessory / Spare Part / Control |
| Electrical | Verify supply voltage, phase, and frequency match nameplate before installation. |
| Temperature limits | Do not exceed max fluid temperature per nameplate. Exceeding limits damages seals and motor insulation. |
| Dry running | Do not run dry. ACC pumps use the pumped fluid to lubricate the shaft seal. Dry running destroys the seal within seconds. Install dry-run protection on all automatic installations. |
| Maintenance | Refer to the Grundfos Installation and Operating Manual (IOM) for correct installation, commissioning, and maintenance. Contact PumpStop for documentation. |
- EAN
- 5710629536808
- Approvals on motor nameplate
- CE
- Breakdown torque
- 370-440 %
- Built-in motor protection
- NONE
- Cable gland entry
- 2xM20x1
- Colour/Type
- NCS 9000 gloss 40+-10 /E-coat
- Cooling
- TEFC
- Diameter
- 0.75 in
- Enclosure class (IEC 34-5)
- 55 Dust/Jetting
- Flange size for motor
- FT100
- IE efficiency
- IE3 80
- IE Efficiency class
- IE3
- Insulation class (IEC 85)
- F
- Length of shaft end
- 1.57 in
- Locked-rotor torque
- 330-390 %
- Mains frequency
- 50 Hz
- Material Pricing Group
- 3X
- Maximum current consumption
- 3.65/2.10 A
- Model
- H3
- Moment of inertia
- 0.019 lb ft²
- Motor
- FT100
- Motor efficiency at 1/2 load
- 0.817
- Motor efficiency at 3/4 load
- 0.827
- Motor efficiency at full load 1
- 0.807
- Motor standard
- IEC
- Motor type
- 80AA
- Mount. design. acc. IEC 34-7
- IM B14/V18
- Net weight
- 17.6 lb
- Number of poles
- 2
- Power factor 1
- 0.81-0.71
- R1 ohm
- 7.95 ohm
- Range of ambient temperature
- -22 .. 140 °F
- Rated current
- 3.30/1.90 A
- Rated full-load torque 1
- 1.549 ft lb
- Rated power - P2
- 0.75 kW
- Rated speed
- 2840-2870 rpm
- Rated voltage
- 3 x 220-240D/380-415Y V
- Real Time
- Delivery date to be confirmed on Sales Order Update with real time availability and Net price
- Shaft diameter
- 0.75 in
- Standard
- IEC
- Starting current
- 580-620 %
- Thermal protec
- external
- Tropic protec
- no
- Type
- NCS 9000 gloss 40+-10 /E-coat
- Winding 2
- PHASE 2
- Winding 3
- PHASE 3
Dimensional Drawing
Wiring Diagram