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Allen-Bradley 25B-A011N104

Allen-Bradley 25B-A011N104 Specification

Way
3-Phase Input

Rated Operation Voltage
480V AC

Cover Material
Plastic

Rated Current
11 A

Protection Level
IP20, NEMA/Open Type

Control System
V/Hz, Sensorless Vector, Closed Loop with Encoder Card

Current Rating
11 A

Operating Voltage
380-480V AC

Rated Insulation Voltage
600V AC

Cooling System
Fan Cooling

Connectivity Type
EtherNet/IP, RS-485, Modbus RTU

Components
Control Board, Display, Keypad, Terminal Block

Thickness
Standard as per manufacturer

Base Material
Durable Plastic

Cabinet Material
High-grade Plastic

Protection Class
Class I

Panel Type
Variable Frequency Drive Panel

Features
Safe Torque Off, Removable Terminal Blocks, Integral Communication

Product Type
PowerFlex 525 AC Drive

Material
Plastic, Metal Components

Surface Finish
Matte

Standard
IEC 61800-5-1, UL, cUL, CE

Surface Color
Black and Grey

Rated Voltage
480V AC

Frequency (MHz)
50/60 Hz

Maximum Output Current
11 A

Dimension (L*W*H)
152 mm x 100 mm x 172 mm

Application
Motor Control, Industrial Automation

IP Rating
IP20

Display Type
LED/LCD Display

Mounting Type
Panel Mount

Communications Option Card
Supported (sold separately)

Programming Interface
Integrated Keypad and USB

Output Frequency Range
0-400 Hz

Brake Chopper
Built-in

Enclosure Type
Open

Input Voltage Range
323-528V AC

Short Circuit Protection
Yes

Weight
3.1 kg

Ambient Operating Temperature
-20C to +50C

Overload Capacity
150% for 60 seconds

Motor Power
5.5 kW (7.5 HP)

Allen-Bradley 25B-A011N104 Trade Information

Minimum Order Quantity
1 Unit

Delivery Time
1 Week

Allen-Bradley 25B-A011N104 About

Key Specifications

Power Rating: 3 HP (2.2 kW) for both normal and heavy-duty applications.
Input Voltage: 200240V AC, Single-phase.
Output Current: 11 Amperes.
Frame Size: Frame B, featuring a compact design for panel mounting.
Enclosure Type: IP20 NEMA / Open Type. [1, 2, 3, 4, 5, 6, 7]

Advanced Features

Connectivity: Includes embedded EtherNet/IP for seamless network integration and USB programming capabilities.
Safety: Integrated Safe Torque Off (STO), certified at SIL2/PLd Cat 3, which allows for safer maintenance without removing full power from the drive.
Motor Control: Supports multiple modes including Volts per Hertz (V/Hz), Sensorless Vector Control (SVC), closed-loop velocity vector control, and permanent magnet motor control.
Hardware: Equipped with a standard interface module and an internal Brake IGBT for dynamic braking. This specific model (indicated by the 'N' in the part number) does not include an internal EMC filter.

Advanced Motor Control Solutions

The Allen-Bradley 25B-A011N104 delivers versatile motor management with support for V/Hz, sensorless vector, and closed-loop encoder-based control modes. This flexibility makes it ideal for a wide array of industrial setups requiring precision and reliability, boosting operational efficiency.

Rugged and Easy-to-Install Design

With an enclosure rated at IP20 and a robust plastic-metal construction, this drive is built for tough environments. Panel mounting ensures seamless integration into new or existing control cabinets, and removable terminal blocks make installation and maintenance straightforward.

Comprehensive Connectivity and User Interface

Equipped with integral communications, including EtherNet/IP, RS-485, and Modbus RTU, the 25B-A011N104 offers versatile integration options. The intuitive keypad and clear LED/LCD display facilitate quick programming and status monitoring, streamlining the commissioning process.

FAQ's of Allen-Bradley 25B-A011N104:

Q: How can I program the Allen-Bradley 25B-A011N104 VFD?

A: Programming the 25B-A011N104 is straightforward with its integrated keypad and USB port. The drive allows direct parameter setting via the keypad or connection to a PC for configuration using Allen-Bradley software, ensuring a user-friendly setup experience.

Q: What are the main benefits of using this drive for motor control?

A: This drive provides precise motor speed and torque control, high overload capacity (150% for 60 seconds), multiple protection features, and broad communication compatibility. These benefits enhance equipment safety, efficiency, and facilitate integration into modern automation systems.

Q: When is it necessary to use an additional communications option card?

A: An additional communications option card is required if your specific application demands enhanced connectivity beyond the built-in EtherNet/IP, RS-485, or Modbus RTU protocols. The card can be acquired separately to extend compatibility.

Q: Where should the Allen-Bradley 25B-A011N104 be installed?

A: It is designed for panel mounting in industrial environments. Ensure the installation location supports an ambient operating temperature between -20C to +50C and provides adequate ventilation for fan cooling.

Q: What is the process for wiring the VFD to a three-phase power supply?

A: Connect the input terminals to a 3-phase AC supply in the range of 323-528V. Output terminals should be connected to the motor. Refer to the user manual for detailed wiring diagrams and follow standard safety procedures during installation.

Q: How does the built-in brake chopper function in motor applications?

A: The built-in brake chopper efficiently manages excess energy generated during rapid motor deceleration by dissipating it via external braking resistors. This feature enables controlled and safe stopping of high-load motors, extending system longevity.

Q: What protection features does the Allen-Bradley 25B-A011N104 offer?

A: The VFD includes short circuit protection, IP20 ingress protection, overload capacity safeguards, and Safe Torque Off functions-all of which contribute to operational safety and compliance with international standards.