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The 20DD156A3ENNARNNN is an adjustable frequency AC drive engineered by Allen-Bradley. This unit is designed to handle a 480V AC input across three phases, with a maximum normal-duty current of 156 amps, making it suitable for heavy-duty applications.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD156A3ENNARNNN |
| Weight | 150.00 lbs (68.04 kg) |
| Voltage | 480V AC |
| Phases | 3 |
| 480V Input Amps | 156 |
| Enclosure | IP20, NEMA Type 1 |
| Human Interface Machine | Full Numeric LCD |
| Documentation | Quick Start Guide |
| Brake | No |
| Bus Undervoltage Trip | Adjustable |
| Heat Sink Thermistor | Monitored by microprocessor overtemp trip |
| Logic Control Ride-Thru | 0.25 sec., drive not running |
| Power Ride-Thru | 15 milliseconds at full load |
Designed for industrial efficiency, the 20DD156A3ENNARNNN adjustable frequency AC drive by Allen-Bradley operates effectively at 480 volts AC within three-phase configurations. This unit accommodates a maximum normal-duty current rating of 156 amps, providing robust performance capabilities for various applications.
The drive is housed in an enclosure rated at IP20, which aligns with NEMA Type 1 standards, ensuring suitable protection in the intended environment. Interaction with the system is facilitated through a full numeric LCD, enabling users to monitor and control parameters accurately.
Regarding operational safety, the 20DD156A3ENNARNNN includes an adjustable bus undervoltage trip feature to safeguard against voltage fluctuations. Although it does not incorporate a braking system, its heat sink thermistor is diligently monitored by an embedded microprocessor that activates an overtemperature trip if conditions exceed safe limits.
This model is equipped with logic control ride-thru capability, allowing the drive to maintain function for 0.25 seconds when it is not actively running. Furthermore, it can endure transient conditions for up to 15 milliseconds under full load, contributing to its reliability in various demanding scenarios. The 20DD156A3ENNARNNN drive is suitable for a diverse range of industrial automation needs.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD156A3ENNARNNN Ser A | 20DD156A3ENNARNNN/A, Series A, Rev A | |
| Don't see your particular revision? Contact us now. | ||