Allen Bradley 20BD077A3ANNACD0 PowerFlex 700

FAQ

Q1: What is the Allen-Bradley 20BD077A3ANNACD0?

A: The 20BD077A3ANNACD0 is an Allen-Bradley PowerFlex 700 AC drive designed to control the speed and torque of three-phase AC motors in industrial automation systems. It supports 480 V AC input and provides a rated output current of 77 A.

Q2: What are the horsepower and voltage ratings of this drive?

A: The drive is rated for 60 HP under normal-duty operation and 50 HP under heavy-duty operation. It operates from a 480 V AC three-phase supply and provides a variable output voltage of 0–460 V AC for compatible motors rated at 460 V AC.

Q3: Which motor control methods does the 20BD077A3ANNACD0 support?

A: The drive supports Volts per Hertz (V/Hz), Sensorless Vector Control, and Vector Control. These methods provide different levels of motor speed and torque control depending on the application and system configuration.

Q4: What communication and operator interface features are included?

A: This model is specified with a ControlNet Coaxial DPI communication module and a Human Interface Module (HIM) featuring an LCD display, full numeric keypad, and programming keys. These features support drive configuration, parameter adjustment, and monitoring through the operator interface and compatible communication network.

Q5: What are the output current and overload protection ratings?

A: The drive provides 77 A continuous output current, 98 A for one minute, and 130 A for three seconds, according to the supplied specifications. It also features Class 10 motor overload protection. Actual operating limits depend on drive configuration, load conditions, and manufacturer requirements.

Q6: Does this drive include dynamic braking hardware?

A: The supplied specifications indicate that neither a brake IGBT nor an internal brake resistor is included. Applications requiring rapid deceleration or dynamic braking may need compatible external braking equipment, subject to the drive’s configuration and manufacturer guidelines.

Q7: What are the installation and environmental requirements?

A: The drive has an IP20 / NEMA Type 1 enclosure rating and a Frame 4 construction. Its specified operating temperature is 0–50 °C, relative humidity is 5–95% non-condensing, and installation altitude is up to 1000 m without derating. Its dimensions are 758.8 × 201.7 × 220 mm (H × W × D), and its weight is approximately 24.49 kg.

Q8: What should be verified before replacing or installing this drive?

A: Verify the 480 V AC three-phase supply, motor voltage and current requirements, normal-duty or heavy-duty rating, control method, 120 V AC I/O configuration, ControlNet communication compatibility, HIM configuration, and braking requirements. Also confirm the DC bus protection thresholds, short-circuit rating, enclosure requirements, and physical mounting dimensions against the manufacturer’s documentation for the exact catalog number.

20BD077A3ANNACD0 Allen Bradley

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.