Protection Relay
REF630-TBFNAAAEAAAZDACAXA ABB REF630 Feeder Protection and Control
The REF630-TBFNAAAEAAAZDACAXA ABB REF630 Feeder Protection and Control relay is a high-performance protection and control device designed for reliable feeder protection in medium-voltage power distribution systems. It is part of ABB’s Relion® 630 series, developed for advanced substation automation and industrial power networks where dependable protection and monitoring are essential.This relay provides integrated protection, control, monitoring, and measurement functions for overhead lines and cable feeders operating in radial, looped, or meshed distribution networks. It continuously monitors electrical parameters such as current, voltage, and frequency to detect abnormal operating conditions including overcurrent, earth faults, and voltage disturbances, ensuring rapid fault isolation and improved system reliability.
RS422020-AA ABB Three-Phase Overvoltage and Undervoltage Relay SPAU 130C
The RS422020-AA ABB Three-Phase Overvoltage and Undervoltage Relay SPAU 130C is a dependable protection relay designed to monitor voltage conditions in three-phase electrical systems and protect equipment from abnormal voltage levels. Manufactured by ABB, a global leader in electrical protection and automation technologies, this relay plays a vital role in maintaining the stability and safety of power distribution systems.This relay continuously supervises the voltage levels within a three-phase power network and detects conditions where voltage exceeds safe operating limits or falls below acceptable thresholds. By identifying overvoltage and undervoltage situations, the relay helps prevent damage to transformers, motors, and other critical electrical equipment that may be affected by unstable voltage conditions.
RS493001-MA ABB Type SPAE010 High Impedance Protection Relay
The RS493001-MA ABB Type SPAE010 High Impedance Protection Relay is a specialized protection relay designed to provide reliable high-impedance differential protection for electrical power systems. It is commonly used for restricted earth-fault protection in transformers, generators, and motors within substations and industrial power networks.This relay detects earth-fault conditions by monitoring differential current levels and initiating protective actions when abnormal faults occur. Its high-impedance design helps maintain stability during current transformer saturation, ensuring dependable and selective protection of critical electrical equipment.
RS611006-AA ABB Combined Overcurrent and Earth-fault Relay
The RS611006-AA ABB Combined Overcurrent and Earth-fault Relay is a reliable protection device designed to provide efficient protection for electrical power systems by detecting both overcurrent and earth-fault conditions. Manufactured by ABB, a global leader in power and automation technologies, this relay is engineered to safeguard electrical equipment and distribution networks against abnormal current conditions that may lead to equipment damage or system failure.This relay continuously monitors the current flowing through electrical circuits and quickly identifies conditions where the current exceeds safe operating limits or when leakage to ground occurs. By detecting these faults promptly, the RS611006-AA helps initiate protective actions that isolate the affected section of the electrical network, preventing further damage and ensuring the safety of connected equipment.
SBFNAAACAAAZFZNBXD ABB Feeder Protection & Control REF630
The SBFNAAACAAAZFZNBXD ABB Feeder Protection & Control REF630 is a high-performance protection and control relay designed to provide reliable protection for feeders in electrical distribution networks. As part of the advanced ABB Relion® protection and control series, the REF630 relay is engineered to ensure secure and efficient operation of medium-voltage power systems used in utilities, substations, and industrial power distribution environments.This feeder protection relay continuously monitors electrical parameters within the power network to detect abnormal conditions such as overcurrent, earth faults, and other electrical disturbances. When fault conditions occur, the relay rapidly initiates protective actions to isolate the affected feeder, helping prevent equipment damage and ensuring continuity of power supply across the system.
SPAJ141C-AA ABB Overcurrent and Earth-Fault Relay SPAJ 141C
The SPAJ141C-AA ABB Overcurrent and Earth-Fault Relay SPAJ 141C is a protection relay designed to safeguard electrical distribution systems from overcurrent and earth-fault conditions. It continuously monitors current levels and quickly responds to abnormal faults to protect electrical equipment and maintain system stability.This relay is widely used in substations and industrial electrical installations where dependable protection against current faults is essential for maintaining safe and efficient operation of power networks.
UR-6CH GE Multilin UR Digital I/O Module
The UR-6CH GE Multilin UR Digital I/O Module is a reliable input/output expansion module designed for use with GE Multilin Universal Relay (UR) series protection systems. It provides digital input and output functionality required for communication between protection relays and external control equipment in electrical power systems.This module allows the relay system to receive status signals and send control commands for monitoring and protection operations within substations and industrial power networks. Its dependable performance ensures efficient system control and reliable signal processing in protection applications.
UR-6NH GE Multilin UR Digital I/O Module
The UR-6NH GE Multilin UR Digital I/O Module is a reliable input and output interface module designed for the GE Multilin Universal Relay (UR) series protection systems. It provides digital communication between the protection relay and external equipment used in electrical power systems.This module enables the relay to receive status signals and send control commands to devices such as alarms, fans, valves, and other control equipment within substations and industrial power networks. The module includes multiple digital inputs and outputs that help improve system monitoring and operational control.
UR-8LH GE Multilin UR CT/VT Module
The UR-8LH GE Multilin UR CT/VT Module is a specialized input module designed for use with GE Multilin Universal Relay (UR) series protection systems. This module plays a crucial role in acquiring accurate current and voltage signals from current transformers (CTs) and voltage transformers (VTs), allowing the protection relay system to perform precise monitoring, protection, and control functions within electrical power systems.The module enables reliable measurement of electrical parameters required for protection schemes such as overcurrent protection, differential protection, and voltage monitoring. By delivering accurate CT and VT signal inputs to the relay system, the GE Multilin UR-8LH Module ensures dependable fault detection and system analysis, helping maintain the stability and safety of electrical networks.
UR-SHA GE Multilin UR Redesigned Power Supply Module
The UR-SHA GE Multilin UR Redesigned Power Supply Module is a high-performance power supply unit designed specifically for the GE Multilin Universal Relay (UR) Series. This module provides reliable power to the relay system and its associated dry contact inputs, ensuring stable operation of protection and control equipment used in substations and industrial power systems.The UR-SHA module is part of the redesigned UR-SH generation, developed to improve performance, reliability, and efficiency compared with earlier power supply modules. It supports a high-voltage input range and delivers increased output power while reducing heat generation, resulting in improved operational efficiency and longer service life.
UR-SLA GE Multilin UR Power Supply Module
The UR-SLA GE Multilin UR Power Supply Module is a dependable power supply unit designed for the GE Multilin Universal Relay (UR) series protection systems. It provides stable and reliable power required for the proper operation of relay modules used in electrical protection and monitoring applications.This module ensures continuous power delivery to the relay system, supporting reliable performance in substations and industrial power distribution environments. Its robust design allows seamless integration within GE Multilin UR relay assemblies used for protection and control functions.
