The GE SR469-P5-HI-A20 is a digital overcurrent relay controller designed for protection and control applications in electrical power systems.

**Product Name:**

GE SR469-P5-HI-A20 Digital Overcurrent Relay

**Product Description:**

The GE SR469-P5-HI-A20 is a microprocessor-based overcurrent relay designed to provide reliable protection against overcurrent conditions in medium to high-voltage power systems. It offers advanced features for accurate current measurement, time coordination, and fault detection.

**Product Parameters:**

– **Nominal Frequency:** 50/60 Hz
– **Operating Voltage:** Typically 120 V DC, optional 125 V DC
– **Power Consumption:** Less than 10 W
– **Operating Temperature:** -40°C to +70°C (-40°F to +158°F)
– **Storage Temperature:** -40°C to +85°C (-40°F to +185°F)
– **Communication Protocols:** RS485, Modbus RTU
– **Analog Inputs:** Current and voltage inputs

**Specifications:**

– **Protection Functions:** Overcurrent protection, directional overcurrent, sensitive earth fault (SEF) protection, thermal overload protection
– **Accuracy:** High accuracy in current measurement (typically better than 1%)
– **Relay Outputs:** Configurable relay outputs for trip and alarm signals
– **Event and Fault Recording:** Built-in event and fault recording capabilities
– **Control Interface:** Front panel display and keypad for local operation, optional remote communication interface

**Product Use:**

The GE SR469-P5-HI-A20 is typically used in substations, industrial power distribution systems, and renewable energy installations to protect equipment such as transformers, generators, motors, and feeders from overcurrent conditions that could lead to damage or operational disruptions. It is particularly suitable for applications requiring precise coordination, high-speed operation, and reliable performance in varying environmental conditions.

This digital overcurrent relay controller helps ensure the stability and safety of electrical networks by promptly detecting and isolating faults, thereby minimizing downtime and reducing the risk of equipment damage.