ABB 07KR91 GJR5250000R0303

Product Overview

ABB 07KR91 GJR5250000R0303 is an industrial relay module from ABB, belonging to its famous Relion® series or relay protection product line. Designed for power system automation, equipment protection and control, the module features high precision, reliability and modularity, and is suitable for medium and low voltage distribution networks.

Product Description

Model Analysis:

07KR91: represents the product sub-series or function code.

GJR5250000R0303: ABB internal code, including version number, configuration code or production batch information.

Key Features:

Protection function: ABB 07KR91 GJR5250000R0303 supports overcurrent, short circuit, ground fault and other protection functions.

Communication interface: ABB 07KR91 GJR5250000R0303 supports industrial protocols, which is easy to integrate into SCADA systems.

Modular design: can be expanded with additional function modules.

Environmental adaptability: wide temperature range (-25°C to +70°C), compliant with industrial EMC standards.

Product details

Input/output:

Voltage/current input range.

Relay output contact capacity.

Power supply: usually 24V DC or 110-240V AC/DC.

Certification standards: in compliance with international safety standards such as IEC 60255, UL 508, etc.

Application areas

Power system:

Transformer, busbar, feeder protection in distribution networks.

Auxiliary equipment monitoring of power plants.

Industrial automation:

Motor protection and control.

Power distribution cabinets in manufacturing.

Infrastructure:

Backup power protection for critical facilities such as data centers and hospitals.

Notes

Compatibility: Compatibility with existing ABB systems needs to be confirmed.

Configuration tool: ABB-specific software is usually required for parameter setting.