Product Overview
The Allen-Bradley 20F1AND125AN0NNNNN is a variable frequency drive (VFD) from the PowerFlex 753 series, engineered for precise motor control in demanding industrial applications. This unit operates on a 380–480 V, 3-phase input supply and delivers a nominal output current of 125 A. It supports both normal duty (100 HP / 75 kW) and heavy duty (75 HP) ratings, making it a versatile choice for a wide range of motor control tasks.
Designed with reliability in mind, the drive features fan-forced air cooling and an open IP00/IP20 enclosure, ensuring effective thermal management in most industrial environments. The built-in line filter (with jumper off) helps mitigate electrical noise, while the absence of an operator panel and braking transistor allows for flexible integration into larger control systems.
Technical Specifications
Below are the key technical parameters for the Allen-Bradley 20F1AND125AN0NNNNN, sourced directly from the manufacturer's data:
| Specification |
Value |
| Manufacturer |
Allen-Bradley |
| Product Type |
Variable Frequency Drive |
| Product Line |
PowerFlex 753 |
| Part Number |
20F1AND125AN0NNNNN |
| UPC |
884951167940 |
| Weight |
125.00 lbs (56.70 kg) |
| Overload Capacity |
150% for 3 s, 110% for 60 s |
| Cooling Method |
Fan-forced air |
| Enclosure Type |
Open, IP00/IP20 |
| Line Filter |
Built-in, jumper off |
| Braking Transistor |
Not built-in |
| Operator Panel |
None supplied |
| Control Modes |
V/Hz, SVC, vector with feedback |
| Expansion |
3 option ports |
| Ambient Operating Range |
0–50 °C |
| Input Supply |
380–480 V, 3-phase |
| DC Bus Voltage |
~650 V |
| Power Rating (ND) |
100 HP / 75 kW |
| Power Rating (HD) |
75 HP |
| Output Current |
125 A |
Key Features & Benefits
-
Robust Overload Capability: Handles 150% overload for 3 seconds and 110% for 60 seconds, protecting against transient load spikes.
-
Flexible Control Modes: Supports V/Hz, SVC, and vector with feedback, enabling precise speed and torque control for various applications.
-
Expandable Design: Three option ports allow for communication modules, I/O expansion, or feedback cards, making it adaptable to changing system requirements.
-
Wide Ambient Range: Operates reliably in temperatures from 0 to 50 °C, suitable for most industrial environments.
-
Integrated Line Filter: Reduces electromagnetic interference, improving system stability.
Industry Applications
The Allen-Bradley 20F1AND125AN0NNNNN is ideal for applications requiring reliable variable-speed motor control. Common use cases include:
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Conveyor Systems: Provides smooth acceleration and deceleration, reducing mechanical stress and improving throughput.
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Pumps and Fans: Delivers energy savings by adjusting motor speed to match demand, while maintaining precise flow or pressure control.
-
Machine Tools: Enables precise spindle speed control, enhancing machining accuracy and surface finish.
With its 100 HP normal duty rating and 125 A output, this drive is well-suited for medium-to-large industrial machinery.
Installation & Setup Guidance
Proper installation is critical for optimal performance. Follow these guidelines:
-
Mounting: Install in a clean, dry location with adequate clearance for airflow. The IP00/IP20 open enclosure requires protection from dust and moisture.
-
Wiring: Use appropriately sized conductors for the 125 A output. Ensure the input supply matches the 380–480 V, 3-phase requirement.
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Line Filter Jumper: The built-in line filter is shipped with the jumper off. If the filter is not needed, leave it off; if required, install the jumper per the manual.
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Cooling: Maintain ambient temperature within 0–50 °C. Ensure the fan intake and exhaust are unobstructed.
Maintenance & Reliability
Regular maintenance ensures long service life and minimizes downtime. Key practices include:
-
Inspect Cooling Fans: Check fans periodically for dust buildup or wear, as fan failure can lead to overheating.
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Verify Connections: Tighten power and control wiring connections annually to prevent loose connections.
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Monitor Ambient Temperature: Ensure the operating environment stays within the specified 0–50 °C range.
-
Check Overload Settings: Confirm that the overload parameters (150% for 3 s, 110% for 60 s) match your application's requirements.
Compatibility & Integration
The PowerFlex 753 series is designed for seamless integration into existing control systems. The 20F1AND125AN0NNNNN supports multiple control modes and offers three expansion ports for adding communication modules or I/O. This flexibility allows it to work with various PLCs and industrial networks, though specific protocols depend on the option modules installed. Always verify compatibility with your existing system architecture before purchasing.
Selection Guide & Purchasing Advice
Before ordering the Allen-Bradley 20F1AND125AN0NNNNN, confirm your application's voltage, current, and power requirements. Check that the 380–480 V input and 125 A output match your motor specifications. Also, consider whether you need an operator panel or braking resistor, as these are not included. For expert assistance, PLC Source PRO is your trusted supplier for genuine industrial automation parts. Contact us to ensure this drive meets your specific needs.