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Description
Grundfos — World's Largest Pump Manufacturer · Bjerringbro, Denmark
99553406 · Grundfos Accessory / Spare Part / Control
The Grundfos 99553406 (KPG.28.50.10.T.60.23.E.46) is a Grundfos Accessory / Spare Part / Control. Genuine Grundfos accessory, control component, spare part, or sensor. Nominal performance: 11000US gpm at 10.83ft. Rated 460V, 3.0-Phase, 60 Hz.
Power
50HP
Voltage
460V
Phase
3.0-Phase
Max Flow
11000US gpm
Max Head
10.83ft
Max Pressure
145.04psi
Grundfos
World's largest pump manufacturer — engineering and manufacturing in 17 countries since 1945
Industrial Grade
Built and tested to IEC and NEMA standards
Authorized Distributor
Genuine Grundfos product — full manufacturer warranty coverage
Expert Support
Technical help available — call (781) 281-8905 or chat
Why This Product
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 Information — 99553406
Series: ACC
Impeller Material: Stainless steel
Housing Material: Cast iron
Technical Specifications
| Model Number | 99553406 |
| Product Series | ACC |
| Series Description | Grundfos Accessory / Spare Part / Control |
| Power | 50HP |
| Voltage | 460V |
| Phase | 3.0-Phase |
| Frequency | 60 Hz |
| Motor Speed | 700rpm |
| Motor Protection | PTO/PT100 |
| Motor Efficiency | 87.5% |
| Insulation Class | F |
| Protection Class (IP) | IP68 |
| Nominal Flow | 11000US gpm |
| Nominal Head | 10.83ft |
| Max Operating Pressure | 145.04psi |
| Max Ambient Temperature | 104°F |
| Inlet Connection | 20.8inch |
| Outlet Connection | 27.5inch |
| Pipe Standard | ANSI |
| Impeller Material | Stainless steel |
| Housing Material | Cast iron |
| Approvals / Certifications | CE, EAC |
Important Notices
| Electrical | Verify supply voltage, phase, and frequency match nameplate before installation: 460V, 3.0-Phase, 60 Hz. |
| Temperature limits | Do not exceed max fluid temperature per nameplate or max ambient temperature 104°F. 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. |
Documentation
✓ Installation and Operating Manual (IOM) — ACC Series
✓ Product Data Sheet — 99553406
✓ Service Manual and Spare Parts List
Need the IOM, data sheet, or spare parts list? Contact PumpStop and we'll send it over.
Before You OrderConfirm model code, voltage, phase, and frequency match your installation. For sizing help, spare parts, or documentation, call (781) 281-8905 or chat with PumpStop.
- EAN
- 5713830935767
- Actual impeller diameter
- 18.5 in
- Approvals
- CE
- Breakdown torque
- 1060 Nm
- Built-in motor protection
- PTO/PT100
- Cable type
- PNCT-S
- Connection
- 27.5 inch
- Cos phi 1/1
- 74
- Cos phi 1/2
- 59
- Cos phi 3/4
- 69
- Density
- 62.29 lb/ft³
- Diameter
- 18.5 in
- Enclosure class (IEC 34-5)
- IP68
- Gross weight
- 3070.0 lb
- Housing
- Cast iron
- Impeller
- Stainless steel
- Insulation class (IEC 85)
- F
- Length of power cable
- 10 m
- Length of sensor cable
- 10 m
- Mains frequency
- 60 Hz
- Max starts per hour
- 15
- Max. Particle
- 125 mm
- Maximum ambient temperature
- 104 °F
- Maximum current consumption
- 71.7 A
- Maximum flow
- 3290 m³/h
- Maximum head
- 13.78 ft
- Maximum operating pressure
- 10 bar
- Minimum flow
- 1855 m³/h
- Moisture switch
- Y
- Moment of inertia
- 348.8 lb ft²
- Motor efficiency at 1/2 load
- 0.852
- Motor efficiency at 3/4 load
- 0.86
- Motor efficiency at full load 1
- 0.875
- Net weight
- 2560.0 lb
- No. of blades
- 3
- Number of poles
- 10
- Number of power cables
- 1
- Power 1
- 42.3 kW
- Power cable type
- PNCT-S
- Power input P1
- 42.3 kW
- Product family
- KPG
- Pump housing
- Cast iron
- Pumped liquid
- Water
- Rated flow
- 11000 US gpm
- Rated head
- 10.83 ft
- Rated power - P2
- 37 kW
- Rated speed
- 700 rpm
- Rated voltage
- 3 x 460 V
- Real Time
- Delivery date to be confirmed on Sales Order Update with real time availability and Net price
- Selected liquid temperature
- 68 °F
- Service factor
- 1.15
- Size of inlet connection
- 20.8 inch
- Size of outlet connection
- 27.5 inch
- Starting current
- 359 A
- Switch
- Y
- Type
- PNCT-S
- Type of connection
- ANSI
- Type of impeller
- Propeller
Dimensional Drawing
Wiring Diagram
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