Industrial B-501QT Trip Unit Microcontroller Module

Description:

The URC B-501QT Trip Unit Microcontroller is designed for use in electronic trip systems to provide protection, monitoring, and control functions for low-voltage power distribution equipment. Commonly installed in circuit breaker assemblies and protective relay systems, the URC B-501QT Trip Unit Microcontroller processes electrical fault conditions to support safe and reliable operation of critical power infrastructure. Maintenance teams, electricians, and system integrators use the URC B-501QT Trip Unit Microcontroller for replacement, retrofit, and continued support of existing protection systems to minimize downtime and maintain operational integrity.

Applications:

The URC B-501QT Trip Unit Microcontroller is commonly used in switchgear assemblies, power distribution systems, and industrial electrical installations requiring electronic overcurrent protection and breaker control capabilities. Preowned units are often sourced to maintain legacy equipment, support system repairs, and ensure dependable protection of electrical assets in critical applications using the URC B-501QT Trip Unit Microcontroller.

Technical Specifications:

• Manufacturer Part Number (MPN): B-501QT
• Brand: URC
• Product Type: Trip Unit Microcontroller
• Condition: Preowned
• Series: AC-PRO Trip Unit
• Device Type: Electronic trip unit control module
• Primary Function: Circuit breaker protection and control
• Compatible Equipment: AC-PRO electronic trip systems
• Protection Applications: Overcurrent monitoring and trip initiation
• Installation Environment: Switchgear and power distribution equipment
• Mounting Type: Internal breaker assembly installation
• Typical Applications: Industrial and commercial electrical systems
• Service Use: Replacement and retrofit applications

Common Replacements:

• URC B-501Q Trip Unit Microcontroller
• URC B-502QT Trip Unit Microcontroller
• URC B-501QT-AC Trip Unit Microcontroller