Allen-Bradley 25B-A011N104 PowerFlex 525 Variable Frequency Drive (VFD) With Good Price In Stock
Product Overview of 25B-A011N104
The PowerFlex® 520-Series AC drive delivers an innovative design that is remarkably versatile and can accommodate systems ranging from standalone machines to simple system integration. The PowerFlex 523 drive provides general purpose control for applications ranging up to 30 HP and 22 kW. The PowerFlex 525 drive provides maximum flexibility and performance ranging up to 30 HP and 22 kW.
The 25B-A011N104 adjustable frequency drive is an Allen-Bradley/Rockwell Automation PowerFlex 525 series adjustable frequency drive. Its input voltage rating is 200 to 240 Volts AC 1-phase voltage and its output voltage rating is 0 to 230 Volts AC 3-phase voltage. The 25B-A011N104 adjustable frequency drive has a Size B frame and a standard interface but no filter. Its output current rating is 11 Amps and its output power rating is 3 Horsepower. The 25B-A011N104 adjustable frequency drive’s output power rating is the same for both normal duty and heavy-duty applications.
PowerFlex 520-Series AC Drives Feature of 25B-A011N104
Modular Design
• Detachable control module and power module allow simultaneous configuration and installation.
• Each drive has a standard control module used across the entire power range.
• MainsFree™ configuration allows you to simply connect your control module to a PC with a standard USB cable
and quickly upload, download, and flash the drive with new settings.
• Support for accessory cards without affecting footprint. (PowerFlex 523 drives support one, PowerFlex 525 drives support two)
Packaging and Mounting
• Installation can be quick and easy using the DIN rail mounting feature on A, B, and C frame drives. Panel mounting
is also available, providing added flexibility.
• Zero Stacking™ is allowed for ambient temperatures up to 45 °C, saving valuable panel space.
• Integral filtering is available on all 200V and 400V ratings, providing a cost-effective means of meeting EN61800-3
Category C2 and C3 EMC requirements. External filters provide compliance to EN61800-3 Category C1, C2, and
C3 EMC requirements for all PowerFlex 520-Series ratings.
• An optional IP 30, NEMA/UL Type 1 conduit box is easily adapted to the standard IP 20 (NEMA Type Open)
product, providing increased environmental ratings.
Optimized Performance
• Removable MOV to ground provides trouble-free operation when used on ungrounded distribution systems.
• A relay pre-charge limits inrush current.
• Integral brake transistor, available on all ratings, provides dynamic braking capability with simple low cost brake resistors.
• A jumper to switch between 24V DC sink or source control for control wiring flexibility.
• Dual Overload Rating available for drives above 15 HP/11 kW. Normal duty: 110% overload for 60 seconds or 150% for 3 seconds.
Heavy duty: 150% overload for 60 seconds or 180% overload (200% programmable) for 3 seconds provides robust overload protection.
• Adjustable PWM frequency up to 16 kHz ensures quiet operation.
PowerFlex 520-Series AC Drive Advanced Features of 25B-A011N104
Control Performance
• Variety of motor control options, including:
• Volts per hertz (V/Hz)
• Sensorless Vector Control (SVC)
• Closed loop velocity vector control (PowerFlex 525 drives only)
• Permanent Magnet motor control (PowerFlex 525 drives only)
• Variety of Positioning Control, including:
• PointStop™ stops motor load in a consistent position without encoder feedback
• Closed loop feedback with an optional encoder card (PowerFlex 525 drives only)
• Point-to-point positioning mode (PowerFlex 525 drives only)
• Integral PID functionality enhances application flexibility (PowerFlex 523 drives have one PID loop, PowerFlex 525 drives have two PID loops)
Technical Specifications for 25B-A011N104
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 25B-A011N104 |
| Series | PowerFlex 525 Drive |
| Voltage | One Phase, 240VAC |
| Output Current | 11 Amperes |
| Enclosure Type | IP20 NEMA / Open Type |
| Interface Module | Standard |
| Frame Size | Frame B |
| EMC Filtering Options | No Filter |
About 25B-A011N104
The 25B-A011N104 is an AC drive which is manufactured by Rockwell Automation. It is from the PowerFlex 525 series of AC drives. These drives operate on an input voltage of 200 to 240 Volts AC with a single-phase AC power supply. The drive has a power output of 3 Horsepower or 2.2 kW. The output current rating of the drive is 11 Amps. The 25B-A011N104 drive has various control options which include volts per hertz control, sensorless vector control, closed loop velocity vector control, and positioning control. The drive measures 7.08 inches in height, 3.42 inches in width, and 6.77 inches in depth. The 25B-A011N104 can be mounted on DIN rails and it is recommended to keep a minimum clearance of 1.96 inches at the top and the bottom for the air to flow.
The ambient operating temperature for the drive is -20 to 50 degrees Celsius. The 25B-A011N104 is used in various open loop and closed loop speed regulation applications. The drive supports an embedded port for Ethernet for integration into the Logix environment and to connect over the Ethernet networks. It also has an LCD module which displays a scrolling text for easily understanding and operation. There is a relay precharge logic built into the drives which prevents the inrush currents. The detachable control module and power module allow installation and configuration simultaneously. There is also an integral RS485/DSI communication module which enables the drives to be used in a multi-drop network configuration. It comes in an IP20 NEMA open enclosure with a standard interface module.
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Windy Wang
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