GE SR469-P5-H-A20-T Motor management relay

Description

Product Overview

The GE SR469-P5-H-A20-T is a high-performance microprocessor-based motor management relay from the GE Multilin 469 series. It serves as an all-in-one protection, monitoring and control device for medium and low-voltage industrial motors. This integrated relay combines comprehensive motor fault protection, real-time operational data monitoring, programmable logic control and multi-protocol communication functions. It effectively prevents motor damage caused by electrical overload, short circuit, phase abnormality and overheating. It ensures safe, stable and continuous operation of industrial motor equipment. It is widely adopted in power plants, petrochemical industries, manufacturing factories and water treatment systems.

Traditional discrete motor protection solutions have obvious drawbacks in modern industrial scenarios. Most conventional systems use separate relays for overcurrent, grounding and temperature protection. This scattered layout leads to complex wiring, difficult debugging and poor system consistency. Besides, ordinary protection devices lack real-time data recording and intelligent fault analysis functions. They cannot support predictive maintenance and equipment health assessment. In contrast, the GE SR469-P5-H-A20-T integrates all core protection and monitoring functions in one compact unit. It adopts high-precision signal acquisition and intelligent algorithm judgment. Each device undergoes strict precision calibration, environmental aging and full-function testing before factory delivery. It has become a mainstream choice for industrial motor system upgrading, old protection device replacement and global industrial e-commerce standardized procurement.

Core Product Features & Competitive Advantages

Industrial motors are core power-consuming equipment of automated production lines. Their operational safety directly affects production stability and enterprise economic benefits. Modern industrial sites require motor protection relays to deliver full-range protection, high measurement accuracy, strong anti-interference and intelligent monitoring capabilities. As a professional high-spec motor management relay, the GE SR469-P5-H-A20-T optimizes protection logic, monitoring performance and system compatibility in all dimensions. It provides reliable full-life-cycle safety guarantee for industrial motor equipment.

• Full-Range Motor Protection Functions: Integrates overload protection, short-circuit protection, ground fault protection, over/under voltage protection and phase unbalance protection. It also supports phase reversal, phase loss and thermal overload protection. It covers almost all common motor electrical and thermal faults.
• High-Precision Data Acquisition & Monitoring: Equipped with high-sensitivity sampling circuit and 5A-level phase CT secondary matching design. It achieves accurate real-time collection of current, voltage, temperature and operational status data. It supports precise equipment condition judgment.
• Universal Wide-Range Power Supply Design: Adopts high-grade wide-voltage power module. It supports 70–265VAC and 90–300VDC universal power input with 48–62Hz frequency adaptation. It fits complex industrial power grid fluctuation environments.
• Multi-Channel Isolated Analog Output: Built-in 4 groups of standard isolated 4-20mA analog outputs. It converts motor operational parameters into standard industrial signals. It realizes seamless data docking with DCS, SCADA and upper monitoring systems.
• Intelligent Temperature Monitoring & Protection: Supports RTD temperature detection with 2°C precise hysteresis control. It accurately monitors motor winding and bearing temperature changes. It avoids equipment aging and burnout caused by overheating.
• Flexible Programmable Logic Function: Comes with customizable internal logic and multi-group configurable input and output contacts. Users can adjust protection curves and linkage logic according to on-site motor parameters. It adapts to different power and type of motor equipment.
• Complete Fault Recording & Analysis: Supports real-time fault alarm, event record and waveform recording. It stores historical operation data and fault information. It helps engineers quickly locate fault causes and optimize equipment operation strategies.
• Standard Industrial Communication Compatibility: Matches mainstream industrial communication protocols. It supports remote parameter configuration, real-time data viewing and remote fault diagnosis. It meets the construction needs of intelligent factory monitoring systems.
• Humanized LCD Display & Operation: Equipped with high-definition 40-digit LCD screen and physical numeric keypad. It displays operational data, protection status and fault codes in real time. It supports on-site quick parameter setting and status checking.
• Industrial-Grade Harsh Environment Adaptability: Adopts high-quality industrial components and optimized anti-interference circuit design. It resists electromagnetic interference, temperature fluctuation and dust pollution. It supports 7×24-hour long-term uninterrupted operation.

Detailed Segmented Technical Specifications

The GE SR469-P5-H-A20-T strictly complies with GE Multilin industrial manufacturing standards and international power equipment protection specifications. All protection performance, electrical indicators, communication parameters and environmental resistance capabilities pass professional laboratory testing and long-term industrial field verification. The classified detailed parameters below support accurate model selection, engineering design and standardized batch procurement.

3.1 Basic Product & Application Parameters

The GE SR469-P5-H-A20-T is a multifunctional microprocessor motor management relay. It focuses on full protection, real-time monitoring and intelligent control for medium and low-voltage industrial motors.

• Official Product Model: SR469-P5-H-A20-T
• Product Category: Industrial Motor Management Protection Relay
• Manufacturer: GE Multilin (General Electric)
• Core Positioning: Full-range motor fault protection, operational data monitoring and intelligent linkage control
• CT Matching Specification: 5A phase CT secondary standard configuration
• Applicable Equipment: Medium and low-voltage industrial AC motors, fan motors, pump motors and mechanical transmission motors
• Installation Method: Standard panel embedded installation
• Application Scenarios: Power generation industry, petrochemical engineering, industrial manufacturing, water treatment projects and intelligent motor control system upgrading
• Executive Standards: GE original factory specifications, IEC power protection standards and industrial EMC electromagnetic compatibility standards

3.2 Core Protection & Monitoring Parameters

Rich and accurate protection logic and high-precision monitoring performance ensure comprehensive safety supervision of industrial motor operation.

• Main Protection Functions: Overload protection, short-circuit protection, ground fault protection, overvoltage/undervoltage protection, phase unbalance protection, phase loss and phase sequence protection
• Temperature Protection Performance: RTD temperature monitoring with 2°C high-precision hysteresis control
• Voltage Transformer Ratio: Support 1.00–150.00:1 adjustable ratio, delta/star wiring configurable
• Working Speed Range: 100–7200 RPM real-time speed monitoring
• Pulse Signal Requirement: Pulse duty cycle greater than 10% for stable speed sampling
• Data Recording Function: Multi-group event recording, fault waveform capture and historical data storage

3.3 Electrical & Power Parameters

Universal power supply and stable electrical design adapt to complex industrial power supply environments and ensure long-term stable operation.

• AC Control Power Range: 70V–265VAC, 48–62Hz
• DC Control Power Range: 90V–300VDC wide adaptive voltage input
• Analog Output Specification: 4-channel isolated 4-20mA standard industrial signal output
• Signal Acquisition Accuracy: Industrial high-precision sampling, meeting power system metering and monitoring standards
• Anti-Fluctuation Ability: Built-in power filtering and anti-interference circuit, adapting to grid voltage fluctuation

3.4 Communication & Expansion Parameters

Standard industrial communication configuration and flexible expansion design support intelligent system docking and function upgrading.

• Supported Protocols: Compatible with mainstream industrial communication protocols for remote monitoring and data transmission
• Remote Functions: Remote parameter configuration, real-time data upload, remote fault query and equipment status monitoring
• Logic Expansion: Programmable internal logic, customizable protection curves and linkage modes
• System Compatibility: Fully compatible with industrial DCS, SCADA and upper computer monitoring platforms

3.5 Mechanical & Structural Parameters

Standard panel mounting structure and compact design simplify on-site installation and equipment layout.

• Display Module: 40-digit high-definition LCD display + physical numeric keypad
• Operation Interface: Intuitive key operation, supporting one-key parameter setting and fault viewing
• Installation Type: Industrial standard panel embedded installation
• Structural Feature: Integrated anti-vibration and anti-dust structure, suitable for industrial workshop long-term operation

3.6 Environmental Adaptability Parameters

After strict extreme environment simulation testing, the relay maintains full-performance stable operation in various harsh industrial working conditions.

• Operating Temperature Range: -20°C to +70°C wide-temperature stable operation
• Storage Temperature Range: -40°C to +85°C high and low temperature resistance
• Working Humidity: 5%–95% RH non-condensing humid environment adaptation
• Environmental Resistance: Resists industrial dust, mechanical vibration and strong electromagnetic interference
• Continuous Operation Capacity: Supports 7×24-hour uninterrupted full-load industrial operation

3.7 Factory Testing & Quality Certification

Every GE relay is manufactured under GE Multilin’s strict industrial quality control system. All units complete full-function protection testing, precision accuracy calibration and environmental aging screening before delivery to meet high-standard power industrial requirements.

• Core Testing Items: Protection logic accuracy test, signal acquisition calibration, power stability test, temperature cycle test and long-term aging operation test
• Quality Inspection Standard: 100% full-function test + full performance calibration + complete test data filing
• Authoritative Certification: Industrial EMC electromagnetic compatibility certification, power industry safety certification and RoHS environmental protection certification
• Field Operation Reliability: Widely deployed in global industrial power projects with ultra-low misoperation rate and stable long-term protection performance

E-commerce Sales Mode & Complete Procurement Advantages

As the core protection device of industrial motor systems, the GE adopts standardized, transparent and efficient global industrial e-commerce sales mode. It focuses on industrial motor equipment maintenance, old protection system upgrading and enterprise power equipment strategic spare parts reserve. It provides one-stop standardized procurement and full-cycle professional technical services for power engineering integrators and industrial manufacturing enterprises.

4.1 Standardized Transparent E-commerce System

All GE products adopt unified original factory production and full-process standardized testing. The whole production, performance calibration and warehousing process is fully traceable. E-commerce platforms openly display complete product datasheets, protection performance test reports and official qualification certificates. Customers can verify product authenticity, protection accuracy and system matching performance online. This transparent sales mechanism effectively avoids refurbished and inferior protective relays. It fully guarantees the safety and stability of industrial motor operation systems.

4.2 Diversified Flexible Procurement Modes

Industrial power equipment emergency replacement, daily spare parts stocking and large-scale motor system upgrading projects have different procurement cycle and quantity demands. To cover all industrial application scenarios, we provide flexible multi-dimensional procurement solutions for the GE .

• Emergency Spot Procurement: Suitable for on-site relay failure, protection abnormality and emergency replacement. Sufficient global spot inventory supports fast delivery. It helps enterprises quickly restore motor system protection functions and avoid equipment burnout and production shutdown losses.
• Small-Batch Spare Parts Stocking: Ideal for manufacturing factories, water treatment plants and petrochemical enterprises to build power equipment spare parts inventory. Pre-storing this relay improves on-site fault emergency response speed and reduces motor operational safety risks.
• Large-Batch Engineering Procurement: Provide exclusive preferential pricing and long-term framework cooperation services for large-scale industrial intelligent upgrading and motor protection system reconstruction projects. It effectively reduces overall project procurement costs and shortens equipment installation and commissioning cycles.

4.3 Full-Cycle After-Sales Service Guarantee

The motor management relay is the key safety barrier for industrial motor equipment. Its protection accuracy and operational stability directly affect production safety and equipment service life. We provide comprehensive full-cycle after-sales protection to eliminate all customer procurement risks.

• 100% Original Genuine Guarantee: All relays are brand-new original GE Multilin products with complete factory test reports and qualification documents, ensuring 100% protection performance and system compatibility.
• Professional Industrial Packaging: Adopt multi-layer anti-collision, shockproof, moisture-proof and dust-proof industrial packaging. It protects internal precision circuits and chips from damage during long-distance transportation and storage.
• 24/7 Professional Technical Support: Provide pre-sales model matching consultation, in-sales parameter configuration and installation debugging guidance, and after-sales fault diagnosis and performance calibration services.
• Long-Term Official Warranty Service: Enjoy unified official warranty coverage. Free maintenance and replacement services are provided for non-human-induced quality faults to reduce enterprise power equipment operation and maintenance costs.

Main Industrial Application Scenarios

Relying on its full-range protection functions, high-precision monitoring, universal power adaptation and strong system compatibility, the GE is widely used in core safety protection links of various industrial motor systems.

• Power Industry Motor Systems: Applied to fan and water pump motor protection in power plants. It monitors motor operational status in real time. It quickly cuts off faults to ensure stable power plant operation.
• Petrochemical Industrial Equipment: Serves as safety protection equipment for various production motors in chemical plants. It adapts to flammable, explosive and harsh industrial environments. It prevents motor failure from causing safety accidents.
• Manufacturing Production Lines: Used for protective monitoring of automated production line drive motors. It ensures continuous and stable operation of production equipment and reduces unplanned downtime.
• Old Motor Protection System Upgrading: Replaces scattered and low-precision traditional protection devices. It integrates multiple protection functions into one unit. It simplifies on-site wiring and improves the intelligent level of motor protection systems.

Product Value & Market Competitiveness

The GE solves common industry pain points of traditional motor protection solutions, such as scattered functions, single protection type, difficult debugging and lack of intelligent monitoring. It integrates full electrical and thermal protection, high-precision data acquisition, programmable logic control and multi-functional communication docking. It comprehensively improves the safety, intelligence and integration level of industrial motor protection systems.

In the global industrial power spare parts e-commerce market, the GE has outstanding differentiated competitiveness. It features all-in-one functional design, wide voltage adaptation, high monitoring accuracy and low failure rate. Combined with standardized genuine procurement, complete qualification documents and full-cycle professional after-sales services, it is the preferred core protection device for industrial motor system maintenance, intelligent upgrading and enterprise strategic spare parts reserve.