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Allen Bradley

Allen Bradley 2090-UCSR-A300 Active Shunt Regulator

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ManufacturerAllen Bradley

Part number2090-UCSR-A300

Wattage 300W

Voltage 200V

Amperage 10.5A

Type Active Shunt Regulator

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Active shunt regulation 300W capacity 200V operating rating 10.5A current handling Protects drive electronics Improves motion stability

Product description

The Allen-Bradley 2090-UCSR-A300 is an Active Shunt Regulator designed to manage regenerative energy in servo drive systems. It features a 300W capacity and operates at 200V, with a current handling of 10.5A. This compact, solid-state module connects directly to compatible Ultra 3000, Ultra 5000, and DSD-series drives.

This shunt regulator's primary function is to absorb excess regenerative energy generated during motor deceleration, thereby protecting the drive's DC bus from overvoltage conditions. It is commonly used in fast-cycle motion systems such as indexing, robotics, and applications with high-inertia loads, enhancing overall system reliability and motion stability.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 2090-UCSR-A300. We provide reliable surplus automation components to keep your systems running efficiently. Trust Stanlo for your essential Kinetix accessory needs.

Technical specifications

Wattage	300W
Voltage	200V
Amperage	10.5A
Type	Active Shunt Regulator
Compatibility	Kinetix, DSD, Ultra 3000/5000 drives
Features	Absorbs regenerative energy, Protects DC bus

Common applications

Servo Drive Systems

Robotics

Indexing Applications

High-Inertia Loads

Motion Control

Compatible systems

Ultra 3000 drives Ultra 5000 drives DSD-series drives Kinetix series drives

Also known as

Allen Bradley Shunt Module, Kinetix Shunt

Replaces / compatible with

This active shunt regulator is compatible with Allen-Bradley Kinetix accessory family, DSD-series drives, and Ultra 3000/5000 drive systems.

Technical note

Expert tip

This module is designed to absorb excess regenerative energy, crucial for high-cycle motion applications where deceleration generates significant back EMF.

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Frequently asked questions

How does the Allen Bradley 2090-UCSR-A300 protect the drive's DC bus?

The Allen Bradley 2090-UCSR-A300 Active Shunt Regulator absorbs excess regenerative energy during motor deceleration. This prevents the drive's DC bus from experiencing overvoltage conditions, thereby protecting the drive's internal electronics and ensuring stable operation.