20F11ND065AA0NNNNN PowerFlex 753 AC Drive 37kW 50HP 65A 480V

Overview

The AB PowerFlex 753 AC Drive 20F11ND065AA0NNNNN – General-purpose economical model, NEMA open cabinet design, three-phase, 380–480V, 37kW (50HP), 50/60Hz V/F open-loop, EMC filter, common-mode choke coil jumper removed. Hardware integrated STO safety torque shutdown circuit. Embedded logic. Air-cooled cooling. With fan aging warning and diagnosis. Dimensions: height 537 mm × width 267 mm × depth 266 mm. Weight: 14.2 kg.

Specification

Item	Specification
Brand	AB
Series	PowerFlex 753 General Purpose AC Drive
Catalog Number	20F11ND065AA0NNNNN
Frame Size	Frame 4
Input Supply	3‑Phase 380–480V AC ±10%, 50/60Hz, 6‑Pulse Rectifier with Pre‑charge Circuit
Continuous ND Output Current	65 A
ND 110% Overload (1 min)	71.5 A
Continuous HD Output Current	52 A
HD 150% Overload (3 sec)	78 A
Normal Duty Motor Rating	37 kW / 50 HP
Heavy Duty Motor Rating	30 kW / 40 HP
Output Voltage	0 ~ 480 V 3‑Phase PWM
Output Frequency Range	0 ~ 650 Hz
Adjustable Carrier Frequency	2 kHz ~ 16 kHz
Control Modes	V/F Open Loop, Sensorless Vector (SVC), Closed‑Loop Vector (with encoder option card)
Supported Motors	Induction Motor, Permanent Magnet Synchronous Motor
Encoder Interface	No onboard port, optional encoder card required
I/O Signal Level	24V DC Digital Inputs & Relay Outputs, STO Safe Torque Off hardware circuit
EMC Filter	Built‑in standard EMC filter, common mode choke jumper removed
Dynamic Brake IGBT	Integrated inside drive
Internal Brake Resistor	Not equipped, external resistor required
HIM Configuration	Blank cover, no factory HIM keypad
PCB Coating	Non‑conformal coated
Cooling System	Forced air cooling, replaceable fan assembly, fan life predictive diagnostic
Enclosure Rating	IP20 / IP00, NEMA Open Type
Operating Temperature	0 ~ 50 °C full load without derating; derating required above 50 °C
Altitude Derating	No derating ≤1000 m altitude
Onboard Communication	No built‑in Ethernet; optional EtherNet/IP, DeviceNet, Profibus add‑on cards
Built‑in Functions	DeviceLogix embedded logic, PID, multi‑speed, S‑curve ramp, DC braking, fault log, parameter copy
Protections	Overcurrent, Overvoltage, Undervoltage, Module Overtemp, Motor Overload, Ground Fault, Phase Loss, Output Short Circuit, Stall Protection, STO Fault
Installation	Side‑by‑side zero stack cabinet mounting
Overall Dimensions (W×H×D)	267 mm × 537 mm × 266 mm
Net Weight	14.2 kg
Shipping Weight	Approx. 15.8 kg
Product Status	Active / In production

FAQ 

1.20F11ND065AA0NNNNN – Which types of motor control modes does it support?

The

• V/F (volt/hertz) open-loop control
• Speed sensorless vector control (SVC)
• Encoder closed-loop flux vector control (requires an encoder add-on card to be enabled)
• Compatible with both asynchronous induction motors and permanent magnet synchronous motors as load types.

2.What are the overall length, width, depth and net weight of Model 20F11ND065AA0NNNNN?

Supported. The

• Overall machine dimensions (Frame 4, IP20 air-cooled open type, units in mm)
• Width: 222 mm × Height: 474 mm × Depth: 212 mm
• Weight parameters: 13.61 kg

3.What is the working voltage of the 20F11ND065AA0NNNNN terminal, and does it have an STO safety circuit?

The

• IO terminal operating voltage: 24V DC
• Digital input, transistor output, and relay circuit all adopt 24V DC signals. The driver comes with a built-in +24V power terminal for external sensors and switches to obtain power.
• STO safety circuit: Equipped with a hardware-level STO safety torque shutdown circuit.
• Dual-channel hardware STO safety terminals. The two STO signals are mutually checked. Once triggered, the power module output is directly blocked, and the motor torque is cut off, used for emergency stop, safety door, and other safety scenarios.

.

4.What is the protection level of the 20F11ND065AA0NNNNN inverter and the standard of the cabinet?

The

• Protection level: IP20 / IP00
• Cabinet standard: NEMA/UL Open Type (open cabinet)
• It can only be installed inside a sealed control cabinet and must not be exposed directly to water splashes, high dust, or outdoor environments.

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