The GE SR750-P1-G1-S1-HI-A20-R-E-H is a high-precision rotational speed monitoring and protection relay, belonging to GE’s renowned SR750 series of industrial control products. Designed for critical rotating equipment, the GE SR750-P1-G1-S1-HI-A20-R-E-H delivers real-time speed measurement, fault detection, and emergency protection capabilities, ensuring operational safety and minimizing downtime in industrial processes. This advanced relay integrates seamlessly with magnetic pickup (VR) or Hall effect sensors, converting rotational signals into actionable data for operators and control systems. As a core component of GE’s industrial protection portfolio, the GE SR750-P1-G1-S1-HI-A20-R-E-H adheres to global industry standards such as API 670 and IEC 61508, making it suitable for safety-critical applications where equipment failure could lead to significant losses. Its user-friendly configuration and robust construction enhance system reliability while reducing integration and operational costs, solidifying the GE SR750-P1-G1-S1-HI-A20-R-E-H as a trusted solution for rotating machinery protection across diverse industries.

Dual-Sensor Compatibility: The GE SR750-P1-G1-S1-HI-A20-R-E-H supports both magnetic pickup and Hall effect sensors, offering flexibility to adapt to different equipment configurations and installation environments. This compatibility eliminates the need for sensor replacement when upgrading or retrofitting systems, reducing project costs and downtime.

Precision Measurement & Rapid Response: Equipped with advanced signal processing algorithms, the GE SR750-P1-G1-S1-HI-A20-R-E-H achieves a measurement accuracy of ±0.1% full scale, ensuring reliable speed monitoring even in high-vibration industrial settings. Its ≤10ms fault response time enables immediate activation of safety interlocks, preventing equipment damage from over-speed, under-speed, or signal loss events.

User-Friendly Configuration: The GE SR750-P1-G1-S1-HI-A20-R-E-H features intuitive front-panel DIP switches and potentiometers for setting speed thresholds, time delays, and output parameters. The bright LED digital display provides real-time speed readings and fault status indicators, allowing operators to quickly identify issues without complex diagnostic tools.

Rugged & Reliable Design: Built to withstand harsh industrial conditions, the GE SR750-P1-G1-S1-HI-A20-R-E-H has a wide operating temperature range and immunity to electromagnetic interference (EMI). Its DIN rail mounting design simplifies installation, while the durable enclosure ensures long-term performance in dusty, humid, or high-temperature environments.

Seamless System Integration: The GE SR750-P1-G1-S1-HI-A20-R-E-H’s 4-20mA analog output enables easy integration with DCS, PLC, and SCADA systems, facilitating centralized monitoring and data logging. The relay outputs can directly control emergency shutdown valves, alarms, or motor starters, forming a complete protection loop for rotating equipment.

The GE SR750-P1-G1-S1-HI-A20-R-E-H is specifically engineered for the protection of rotating machinery, making it indispensable in industries where equipment reliability is critical. In the power generation sector, it is widely used to monitor turbines, generators, and pumps, ensuring stable operation of coal-fired, hydroelectric, and renewable energy plants. The GE SR750-P1-G1-S1-HI-A20-R-E-H detects abnormal speed fluctuations in these assets, triggering shutdown procedures to prevent catastrophic failures and costly outages.

In the oil and gas industry, the GE SR750-P1-G1-S1-HI-A20-R-E-H plays a key role in upstream drilling rigs, midstream pipeline pumps, and downstream refining equipment. It monitors the speed of centrifugal compressors, gearboxes, and electric motors, protecting against equipment damage caused by process upsets or mechanical wear. The module’s SIL 2 certification ensures compliance with industry safety standards, making it suitable for hazardous areas classified as Zone 2.

The GE SR750-P1-G1-S1-HI-A20-R-E-H also finds applications in chemical plants, water treatment facilities, and manufacturing industries. In chemical processing, it safeguards mixers, agitators, and reactors, while in water treatment, it monitors pump speeds to maintain consistent flow rates. In automotive and aerospace manufacturing, it protects production line motors and conveyor systems, minimizing unplanned downtime and ensuring production continuity. Its versatility and robust performance make the GE SR750-P1-G1-S1-HI-A20-R-E-H a go-to solution for any application requiring precise rotational speed monitoring and protection.