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SK-R1-FAN1-F8: Cooling Fan Kit for Rockwell PowerFlex 750 Série
SK-R1-FAN1-F8 is an inverter cooling fan kit manufactured by Allen-Bradley (Rockwell Automation), designed as an internally mounted spare part specifically for PowerFlex 750 Quadro de série 8 AC drives.
Core Specifications & Características
| Parâmetro | Descrição |
| Marca | Allen‑Bradley (Rockwell Automation) |
| Tipo de produto | Fan Kit, Inverter Heat Sink |
| Equipamento aplicável | PowerFlex 750 Quadro de série 8 AC Drive |
| Montagem | Internal Mount |
| Lifecycle Status | ACTIVE |
| Main Function | Provides forced convection cooling for the inverter section of the drive, preventing overheating of power components |
| Applicable Standards | C-TICK, KC |
| Typical Price | Approximately US$3,780–3,835 per set (varies by distributor) |
Interpretação do modelo
SK-R1: Prefix for cooling-related components in the Rockwell PowerFlex series
FAN1: Single-fan configuration (SK-R1-FAN2-F8 is the dual-fan version)
F8: Fits Frame 8 size drives
Aplicativos
This fan kit is a critical cooling component for PowerFlex 750 Quadro de série 8 drives de frequência variável, used in high-power industrial automation applications including:
Large motor speed control
Heavy machinery drive systems
Industrial production line automation
Energy and infrastructure projects
Notas
- This is an original spare part; installation and maintenance should be performed by qualified technicians.
- Must be used with exact matching PowerFlex 750 Quadro de série 8 drive models.
- Regularly inspect fan operation to ensure proper cooling system function and extend drive service life.
SK-R1-FAN1-F8 vs SK-R1-FAN2-F8
Detailed Parameter Comparison & Quadro 8 Drive Compatibility List
- Comparação de parâmetros principais
| Parâmetro | SK‑R1‑FAN1‑F8 | SK‑R1‑FAN2‑F8 | Key Difference |
| Full Product Name | PowerFlex 750 Inverter Heat Sink Fan Kit | PowerFlex 750 Internal Stirring Fan Kit with Tray | Functional purpose: primary cooling vs auxiliary airflow circulation |
| Função principal | Provides forced convection cooling for inverter power modules, preventing overheating of IGBTs and other devices | Optimizes internal airflow distribution, eliminates local hot spots, and assists the main cooling system | Cooling priority: FAN1 = primary, FAN2 = auxiliary |
| Fan Configuration | Single large centrifugal fan (R3G310‑AN48‑78) | Two small stirring fans with mounting tray | Different fan quantity and type |
| Volume de ar (CFM) | Aprox.. 1,200–1,400 CFM (ebmpapst R3G310 series, Alemanha) | Aprox.. 2 × 200 CFM (dual fan combination) | FAN1 has significantly higher airflow |
| Consumo de energia | Aprox.. 470C, 3UM, 230V e | Aprox.. 2 × 30W, 0.25A × 2, 24Em DC | FAN1 has higher power and different voltage rating |
| Mounting Location | Dedicated position for inverter heat sink | General internal mounting position with tray | Different mounting location and fixing method |
| Peso | Aprox.. 9.5 kg (20.94 lb) | Aprox.. 3.2 kg (7.05 lb) | FAN1 is heavier due to large fan |
| Frame Compatibility | Frame 8–10 (primarily Frame 8) | Quadro 8 only | FAN1 covers more frames |
| Typical Price | US$3,780–3,835/set | US$1,200–1,500/set | FAN1 is more expensive |
| Lifecycle Status | ACTIVE | ACTIVE | Both are currently available spares |
| Applicable Standards | C-TICK, KC | C-TICK, KC | Same electrical safety compliance |
| Montagem | Internal Mount | Internal Mount with tray | FAN2 is simpler to install |
- Power Ratings & Typical Models for Frame 8 Drives
2.1 Applicable Power Range
PowerFlex 750 Quadro de série 8 drives cover the following power ratings (varies by voltage):
| Tensão | Rated Power Range | Faixa atual nominal |
| 400V e | 450kW–560kW (ND/HD) | 770A–850A |
| 480V e | 400kW–500kW (ND/HD) | 740A–820A |
| 690V e | 375kW–450kW (ND/HD) | 460A–520A |
2.2 Compatible Drive Model List
SK-R1-FAN1-F8 is compatible with these PowerFlex 750 Quadro de série 8 drives:
PowerFlex 753 Série (20F prefix)
20F11NDxxxxNNNNNN (Padrão, 400/480V)
20F11TDxxxxNNNNNN (With DC Terminals, 400/480V)
20F11LDxxxxNNNNNN (Light Duty, 400/480V)
20F11HDxxxxNNNNNN (Heavy Duty, 400/480V)
PowerFlex 755 Série (20G prefix)
20G11NDxxxxNNNNNN (Padrão, 400/480V)
20G11TDxxxxNNNNNN (With DC Terminals, 400/480V)
20G11LDxxxxNNNNNN (Light Duty, 400/480V)
20G11HDxxxxNNNNNN (Heavy Duty, 400/480V)
20G1ABDxxxxNNNNNN (Common converter module, Frame 8–10)
20G1ALDxxxxNNNNNN (Common inverter module, Frame 8–10)
PowerFlex 758 Série (20P prefix, alto desempenho)
20P11NDxxxxNNNNNN (Padrão, 400/480V)
20P11TDxxxxNNNNNN (With DC Terminals, 400/480V)
General Rule: All Frame 8 PowerFlex 750 drives (753/755/758) are compatible with SK-R1-FAN1-F8; some Frame 9–10 models also apply. SK-R1-FAN2-F8 is designed exclusively for Frame 8 and is not compatible with Frame 9–10.
- Seleção & Application Recommendations
When SK-R1-FAN1-F8 is Required
All newly installed Frame 8 drives
Drives operating under Heavy Duty (alta definição) or high ambient temperature (>40°C) conditions
Replacement after inverter cooling fan failure
When SK-R1-FAN2-F8 is Recommended
Local hot spots inside the drive
High altitude (>1000eu) or enclosed cabinet installation
Need to improve internal airflow for better overall cooling efficiency
Notas de instalação
Both can be installed together for a complete “primary cooling + auxiliary airflow” solution
Installation must be performed by qualified technicians to ensure safe electrical and mechanical connections
Disconnect power and allow heat sinks to cool fully before replacement to avoid burns
Inspect fan operation and clean dust regularly (recommended every 6 meses)
Complete List of Cooling Fan Models
for Rockwell PowerFlex 750 Série
Below is the complete official list of cooling fan kits for the PowerFlex 750 série, categorized by function type and frame size, including the SK-R1 (internal core cooling components) and SK-R9 (external cooling fan kits) série.
- SK-R1 Series: Internal Core Cooling Fan Kits
1.1 Quadro 8 Specific Core Cooling Fans
| Modelo | Full Name | Descrição | Quadro | Lifecycle |
| SK‑R1‑FAN1‑F8 | PowerFlex 750 Inverter Heat Sink Fan Kit | Primary cooling: forced convection for inverter power modules, fits Frame 8–10, includes large centrifugal fan (R3G310‑AN48‑78) | Quadro 8 (Frame 9–10 compatible) | ACTIVE |
| SK‑R1‑FAN2‑F8 | PowerFlex 750 Internal Stirring Fan Kit | Auxiliary cooling: optimizes internal airflow, eliminates hot spots, includes mounting tray | Quadro 8 | ACTIVE |
| SK‑R1‑FAN2H‑F8 | PowerFlex 750 Internal Stirring Fan Kit | Auxiliary cooling: high‑performance internal stirring fan for improved circulation | Quadro 8 | ACTIVE |
| SK‑R1‑FAN4‑F8 | PowerFlex 750 IP54 Blower Assembly Kit | Protected cooling: blower system for IP54 environmental rating | Quadro 8 | ACTIVE |
| SK‑R1‑FANH1‑F8 | PowerFlex 750 Fan Harness Kit | Wiring component: dedicated harness for cooling fan electrical connection | Quadro 8 | ACTIVE |
| SK‑R1‑FUSEFAN‑F8 | PowerFlex 750 Converter Input Fuse Stirring Fan | Local cooling: stirring fan designed specifically for the converter input fuse area | Quadro 8 | ACTIVE |
1.2 Frame 9–10 Specific Cooling Fans
| Modelo | Full Name | Descrição | Quadro | Lifecycle |
| SK‑R1‑FAN1‑F9 | PowerFlex 750 Inverter Heat Sink Fan Kit | Quadro 9 primary cooling fan, same function as F8 with matched dimensions | Quadro 9 | ACTIVE |
| SK‑R1‑FAN1‑F10 | PowerFlex 750 Inverter Heat Sink Fan Kit | Quadro 10 primary cooling fan, maximum airflow configuration | Quadro 10 | ACTIVE |
| SK‑R1‑OCARTFAN‑F9 | PowerFlex 750 FR9 Option Slot Fan Tray Kit | Option area cooling: directed cooling for Frame 9 option slot (including reactors) | Quadro 9 | ACTIVE |
| SK‑R1‑OCARTFAN‑F10 | PowerFlex 750 FR10 Option Slot Fan Tray Kit | Option area cooling: directed cooling for Frame 10 option slot | Quadro 10 | ACTIVE |
- SK-R9 Series: External Cooling Fan Kits (By Protection Rating)
2.1 NEMA Type 1 / IP20 External Cooling Fans (Frame 1–7)
| Modelo | Full Name | Descrição | Quadro | Lifecycle |
| SK‑R9‑FAN11‑F1 | PowerFlex 750 Tipo 1 Heat Sink Fan Kit | Basic external cooling for Frame 1, NEMA 1 avaliado | Quadro 1 | ACTIVE |
| SK‑R9‑FAN11‑F2 | PowerFlex 750 Tipo 1 Heat Sink Fan Kit | Basic external cooling for Frame 2, NEMA 1 avaliado | Quadro 2 | ACTIVE |
| SK‑R9‑FAN11‑F3 | PowerFlex 750 Tipo 1 Heat Sink Fan Kit | Basic external cooling for Frame 3, NEMA 1 avaliado | Quadro 3 | ACTIVE |
| SK‑R9‑FAN11‑F4 | PowerFlex 750 Tipo 1 Heat Sink Fan Kit | Basic external cooling for Frame 4, NEMA 1 avaliado | Quadro 4 | ACTIVE |
| SK‑R9‑FAN11‑F5A | PowerFlex 750 Tipo 1 Heat Sink Fan Kit | Basic external cooling for Frame 5, NEMA 1 avaliado | Quadro 5 | ACTIVE |
| SK‑R9‑FAN11‑F6 | PowerFlex 750 Tipo 1 Heat Sink Fan Kit | Basic external cooling for Frame 6, NEMA 1 avaliado | Quadro 6 | ACTIVE |
| SK‑R9‑FAN11‑F7A | PowerFlex 750 Tipo 1 Heat Sink Fan Kit | Basic external cooling for Frame 7, NEMA 1 avaliado | Quadro 7 | ACTIVE |
2.2 NEMA Type 4X/12 / IP66/54 Protected External Cooling Fans (Frame 4–7)
| Modelo | Full Name | Descrição | Quadro | Lifecycle |
| SK‑R9‑FAN14‑F45 | PowerFlex 750 Type 4X Heat Sink Fan Kit | Protected external cooling for Frame 4–5, NEMA 4X/12 rated | Frame 4–5 | ACTIVE |
| SK‑R9‑FAN14‑F6 | PowerFlex 750 Type 4X Heat Sink Fan Kit | Protected external cooling for Frame 6, NEMA 4X/12 rated | Quadro 6 | ACTIVE |
| SK‑R9‑FAN14‑F7A | PowerFlex 750 Type 4X Heat Sink Fan Kit | Protected external cooling for Frame 7, NEMA 4X/12 rated | Quadro 7 | ACTIVE |
- Other Related Cooling Components
| Modelo | Full Name | Descrição | Quadro | Lifecycle |
| SK‑R9‑FAN2‑F23 | PowerFlex 750 Internal Fan Kit | General internal cooling for Frame 2–3 | Frame 2–3 | ACTIVE |
| SK‑R9‑FAN2‑F45 | PowerFlex 750 Internal Fan Kit | General internal cooling for Frame 4–5 | Frame 4–5 | ACTIVE |
| SK‑R1‑OCARTFAN‑F9 | PowerFlex 750 FR9 Option Slot Fan Tray Kit | Directed cooling for Frame 9 option slot (including reactors) | Quadro 9 | ACTIVE |
| SK‑R1‑OCARTFAN‑F10 | PowerFlex 750 FR10 Option Slot Fan Tray Kit | Directed cooling for Frame 10 option slot | Quadro 10 | ACTIVE |
- Model Naming Convention
PowerFlex 750 cooling fan models follow a unified coding system:
| Prefixo | Main Identifier | Sufixo | Significado |
| SK‑R1 | -FAN[number]-F[quadro] | -[variant] | Internal core cooling components; FAN1 = primary fan, FAN2 = stirring fan, FAN4 = IP54 blower, F[number] = tamanho do quadro |
| SK‑R9 | -FAN[number]-F[quadro] | -[variant] | External cooling fan kits; FAN11 = NEMA Type 1, FAN14 = NEMA Type 4X, F[number] = tamanho do quadro |
- Seleção & Application Guide
- Primary cooling fan is mandatory: All new PowerFlex 750 drives must be equipped with the corresponding frame-matched SK-R1-FAN1-Fx (internal primary) or SK-R9-FAN11-Fx (external primary) fan.
- Auxiliary cooling recommendation: For high ambient temperature (>40°C), high altitude (>1000eu), or enclosed cabinet installations, add SK-R1-FAN2-Fx series stirring fans.
- Protection rating matching: For outdoor or dusty environments, select SK-R9-FAN14-Fx-series NEMA 4X protected fans.
- –Frame compatibility–: SK-R1-FAN1-F8 is compatible with Frame 8–10; all other models are frame-specific.
