Allen Bradley 20DC043A0EYNANCNK 480V AC Frequency Converter

Overview

The Allen-Bradley Power Flex 700S 20DC043A0EYNANCNK is a compact AC variable frequency controller featuring Phase II high-performance vector control. It is designed for three-phase operation within the range of 380–480V AC, with an IP20 protection rating and a NEMA Open cabinet. The PCB is coated with a triple protection anti-corrosion layer. It has a USB debugging interface and a Frame F10 design with dual axial flow fans for forced air cooling. It is wall-mounted for panel installation and does not support DIN rails.

Specification

Parameter Category	Parameter Item	Specification
Basic Info	Series	PowerFlex 700S High Performance AC Drive
Manufacturer	Rockwell Automation Allen‑Bradley
Full Model	20DC043A0EYNANCNK
Frame Size	Frame F10
Voltage Class	3‑Phase 380–480V AC (Nominal 400V, 6‑Pulse Rectifier)
Electrical Ratings	Rated Continuous Output Current	43 A
Normal Duty (ND) Power	22 kW / 30 HP, 110% continuous, 150% × 60s
Heavy Duty (HD) Power	18.5 kW / 25 HP, 150% continuous, 200% × 3s
Output Frequency Range	0 ~ 400 Hz
PWM Carrier Frequency	2/4/6/8/10 kHz Adjustable, Default 4 kHz
Max Output Voltage	Match Input Line Voltage (0~480V)
Max Efficiency	97.5%
Power & EMC	Dynamic Brake IGBT	Built‑in (External Brake Resistor Required)
EMC Filter	Factory Built‑in Class 2 Input EMC Filter (CE Compliant)
Motion & Control	Control Platform	Phase II High Performance Vector Control
Embedded Motion Controller	DriveLogix 5730 Onboard (Position / Sync / Cam / Electronic Gear)
Supported Motor Control Modes	V/F Scalar, Sensorless Induction Vector, Closed‑Loop Induction Vector, PM Closed‑Loop Vector (Opt Encoder Card)
Encoder Feedback	Support Incremental, Sin/Cos, Resolver (Optional 20‑750‑ENC Series)
Debug Port	Onboard USB Port (Program Without Main Power)
Optional Fieldbus Cards	EtherNet/IP, ControlNet, DeviceNet, Profibus‑DP
Onboard IO Terminal	Digital Inputs	8 Isolated 24V DC DI
Digital Outputs	4 Transistor DO
Analog Inputs	2 Channels (±10V / 4–20mA)
Analog Outputs	2 Channels
Mechanical & Cooling	Enclosure Rating	IP20, NEMA Open Type
Cooling System	Built‑in Dual Axial Fan Forced Air Cooling, Fan Life Diagnostic
Zero Stack Mount	Supported below 45℃ Ambient Temp
Mounting Method	Wall Panel Mount (Optional Bracket for DIN Rail)
Environmental Specs	Operating Temp	0℃ ~ +50℃; Derating above 50℃
Storage & Transport Temp	-40℃ ~ +70℃
Relative Humidity	5% ~ 95% RH, Non‑condensing
Full Power Altitude	≤1000 m, Derate 1% per 100 m above 1000 m
Vibration / Shock	1g (1–200Hz), Shock 10g
Certifications	UL/cUL, CE, RoHS, Class 2 EMC
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Overtemp, Ground Fault, Output Short, Phase Loss, Stall, Encoder Loss, Brake Circuit Fault, DriveLogix Fault
Typical Applications	CNC Spindle, Winder/Unwinder, Crane Hoist, Multi‑Axis Sync Production Line, Printing Machine, Metal Drawing, Precision Positioning Conveyors

FAQ 

1.Which four motor control modes can be supported by the 20DC043A0EYNANCNK inverter with Phase II control?

The

• V/F scalar control
• Asynchronous motor sensorless vector control
• Asynchronous motor encoder closed-loop vector control
• Permanent magnet synchronous motor closed-loop vector control

2.20DC043A0EYNANCNK belongs to which series of frequency converters by Rockwell?

Supported. The It belongs to the Allen-Bradley PowerFlex 700S series of high-performance closed-loop vector frequency converters (20D product line, equipped with Phase II advanced vector control, and featuring the built-in DriveLogix motion control core).

3.What are the specifications of the 20DC043A0EYNANCNK chassis and the overall protection IP rating of the entire machine?

The

• Frame specification: Frame F10 (No. 10 frame)
• Overall IP protection level: IP20. It can only be installed inside the control cabinet for use.

4.What is the standard installation method for 20DC043A0EYNANCNK? Does it natively support DIN rails?

The

• Standard installation method: Wall-mounted panel installation. Fixed holes are reserved at the four corners of the body. Screws are used to directly lock it onto the back plate of the control cabinet.
• DIN rail compatibility: It does not come with its own DIN rail clips. The body does not have an integrated rail latch. If a 35mm standard DIN rail is to be installed, a dedicated installation bracket accessory must be selected separately to achieve rail fixation..

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