Product image is representative; revision or series may vary. Contact us to request a specific version.
20AD027A3AYYACC0
The 20AD027A3AYYACC0 from Allen Bradley is a versatile variable frequency drive. It is suited for three-phase operations with a supply voltage of 480 V AC, providing a continuous output of 27 A.
-
We sell industrial automation parts backed by our free 2-Year DO Supply Warranty.
-
Same-day domestic and fast international shipping with UPS, FedEx, DHL, and more.
-
AMEX, Visa, MasterCard, Discover, wire transfer, net terms, and more.
-
Repairs and exchanges are available for all automation products.
- Reseller Options
Drop shipping, blind shipping, and account shipping with no extra fees.
Technical specifications for 20AD027A3AYYACC0
| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Variable frequency drive |
| Product Line | PowerFlex 70 |
| Part Number | 20AD027A3AYYACC0 |
| Weight | 20.00 lbs (9.07 kg) |
| Built-In Brake Resistor | Internal dynamic resistor (62 ohm) |
| Feedback Mode | Open-loop vector control (no encoder feedback) |
| Communication Interface | ControlNet (coaxial) |
| Control Algorithms | Sensorless vector and volts-per-Hz with slip compensation |
| Carrier Frequency Range | Selectable 2–10 kHz (up to 12 kHz in vector control) |
| Supply Voltage | 480 V AC (three-phase) |
| Continuous Output Current | 27 A at 480 V AC |
| Ramp Time Programming | Two independent accel/decel ramps, adjustable 0–3600 s |
| Analog I/O | 2 × analog inputs, 1 × analog output |
| Digital I/O | 6 × digital inputs, 2 × digital outputs |
| Protocol Support | EtherNet/IP, DeviceNet, PROFIBUS, CAN, Modbus |
| Enclosure Rating | Panel-mount IP20 / NEMA Type 1 |
| Overload Protection | NEC Class 10 motor overload and thermal trip |
| Logic Ride-Through | Minimum 0.5 s hold-up of control logic |
The Allen Bradley PowerFlex 70 series 20AD027A3AYYACC0 operates as a variable frequency drive, engineered to control three-phase motors with an input voltage of 480 V AC. This device is capable of delivering a continuous output current of 27 A, catering to demanding operational needs. It is equipped with an internal dynamic brake resistor rated at 62 ohms, which enhances dynamic braking performance. The drive's feedback mode utilizes open-loop vector control, eliminating the need for an encoder while still ensuring reliable operation.
This drive supports ControlNet coaxial interfaces. Importantly, it also offers compatibility with multiple protocols including EtherNet/IP, DeviceNet, PROFIBUS, and CAN, facilitating integration into complex systems. Two types of control algorithms—sensorless vector and volts-per-Hz, complete with slip compensation—further augment its adaptability to various motor applications.
The carrier frequency is adjustable within a range of 2 to 10 kHz, reaching up to 12 kHz when operating in vector control mode. Ramp time programming is tailored with two independent acceleration and deceleration ramps, adjustable from 0 seconds to a maximum of 3600 seconds, providing flexibility in application scenarios. This drive supports extensive I/O options, featuring two analog inputs and one analog output, along with six digital inputs and two digital outputs for diverse application integration.
Housed in a panel-mount enclosure with an IP20/NEMA Type 1 rating, the drive is well protected in various environments. Overload protection is ensured through a NEC Class 10 motor overload feature combined with a thermal trip. Logic ride-through functionality is provided for a minimum of 0.5 seconds, ensuring control logic remains operational during momentary power disturbances.
- 20A D 027 A 3 AYYACC0
- 20AD027A3AYYACCO
- 20ADO27A3AYYACC0
- 2OAD027A3AYYACC0
- 2OADO27A3AYYACCO