Allen-Bradley 20F1AND125AN0NNNNN | PowerFlex 753 Vector Control Drive

Need advanced control for a demanding motor? This Allen-Bradley drive is engineered for precision. The 20F1AND125AN0NNNNN delivers 100 HP (75 kW) with superior vector control. It accepts 380-480V AC 3-phase input. Perfect for applications requiring tight speed and torque regulation.

Standout Features for Demanding Applications

• Superior Motor Control: Offers sensorless vector (SVC) and full closed-loop vector control for high performance.
• High Overload Capacity: Handles 150% overload for 3 seconds to manage start-up surges.
• Wide Ambient Range: Operates reliably in environments up to 50°C.
• Ready for Expansion: Three option slots let you add safety, feedback, or communication features.
• Built-in EMC Filter: Reduces electrical noise for cleaner operation in sensitive plants.

Complete Product Specifications

Brand & Model: Allen-Bradley 20F1AND125AN0NNNNN
Series: PowerFlex 753 Variable Frequency Drive (VFD)
Input Voltage: 380-480V AC, 3-Phase, 50/60 Hz
DC Bus Voltage: ~650 V DC
Output Current: 125 Amperes
Output Power: 75 kW (100 HP Normal Duty), 75 HP Heavy Duty
Overload Capacity: 150% for 3 sec, 110% for 60 sec
Control Modes: V/Hz, Sensorless Vector Control (SVC), Closed-Loop Vector (with optional encoder feedback card)
Enclosure: Open Type (IP00/IP20, must be installed in a cabinet)
Cooling: Fan-Forced Air
Braking: Dynamic Braking Transistor Not Included (must be added as an option if required)
Operator Interface: No built-in keypad (requires separate HIM or software)
Standard Filter: Built-in EMC Filter (shipped with jumper "OFF"/active)
Expansion Slots: 3 Ports for optional modules
Ambient Temperature: 0°C to 50°C (32°F to 122°F) for operation
Approximate Weight: 56.7 kg (125 lbs)

Installation & Configuration Guide

1. Install the 20F1AND125AN0NNNNN drive vertically in a clean, ventilated industrial cabinet.
2. Connect the 3-phase 380-480V AC power to the input terminals.
3. Wire your motor to the drive's output terminals (U, V, W). For vector control with feedback, install an optional encoder card and wire the motor encoder.
4. If dynamic braking is needed for fast stops, you must purchase and install an external braking transistor and resistor kit.
5. Use the three option slots to add necessary cards (e.g., Encoder Feedback, Safe Torque Off, Ethernet/IP).
6. Configure the drive using software (Studio 5000, CCW) via a USB connection. Select the appropriate control mode (V/Hz, SVC, or Vector with Feedback) for your application.
7. Perform an autotune procedure with the motor connected (but unloaded) for optimal vector control performance.

Professional FAQ & Answers

What are the main advantages of vector control modes?
Sensorless Vector Control (SVC) provides excellent low-speed torque and speed regulation without an encoder. Closed-loop vector (with an encoder) offers the highest precision for applications like synchronization or tension control.

When would I need to add a dynamic braking kit?
Add a braking transistor and resistor if your application requires frequent fast stops, involves an overhauling load (like a down-hill conveyor), or has high inertia. This protects the drive by dissipating regenerated energy.

How do I use the built-in EMC filter?
The drive ships with the filter active (jumper "OFF"). This is correct for most installations to meet electromagnetic compatibility standards. Only change this setting if guided by a detailed site EMC plan.

Can this drive be used on a 400V European supply?
Yes. The 380-480V AC input range is perfect for global voltages, including common 400V and 480V systems. Ensure the supply voltage stays within this range.

What's the best way to program it without a keypad?
Using a laptop with Rockwell's free Connected Components Workbench (CCW) software is efficient. It allows you to save configuration files, which is great for backing up settings or duplicating setups across multiple drives.

Package Contents & Warranty

You will receive one new Allen-Bradley 20F1AND125AN0NNNNN PowerFlex 753 Drive. All our products are covered by a straightforward 12-month replacement warranty for your peace of mind.

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