GE 350-E-P5-G5-H-E-S-N-N-SN-D-N

1. Product Overview

GE 350-E-P5-G5-H-E-S-N-N-SN-D-N is a model in the GE 350 series feeder protection system. It is usually installed in power distribution cabinets to monitor and protect medium-voltage feeders, transformers, motors and other equipment, preventing abnormal conditions such as overcurrent, short circuit and ground fault.

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2. Key Parameters

• Operating Voltage: This model is one of the low-voltage options, with an operating voltage range usually between 24V and 48V DC.
• Enclosure Type: Equipped with a Drawout Case, which facilitates on-site inspection and maintenance.
• Indicator Lights: Since the "E" in the model stands for "No LED", the relay itself does not have a programmable LED indicator function.

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3. Product Features

• Safety and Reliability: It has a multi-redundant hardware design to ensure that the circuit can be cut off quickly and accurately in the event of a power system failure, protecting the equipment from damage.
• Modular Design: Adopting a drawout case, it is convenient for on-site quick replacement and maintenance, reducing system downtime.
• No Indicator Light Design: This model (E Order) is not equipped with indicator lights, which may be suitable for scenarios that require external monitoring or other ways to indicate status.

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4. Structure and Composition

• Relay Unit: Responsible for core current, voltage monitoring and logical judgment.
• Drawout Case: Facilitates on-site quick installation, inspection and replacement.
• Terminal Block: Used to connect input signals such as power supply, Current Transformer (CT) and Voltage Transformer (VT).

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5. Application Fields

• Distribution Network Protection: Mainly used in substations, power distribution rooms, factory workshops and other places to provide overload, short circuit and ground protection for feeders, transformers and motors.
• Power System Automation: As a key component of the power automation system, it participates in the realization of automatic monitoring and control of the distribution network.

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6. Installation and Maintenance

Installation Requirements

It is usually installed in a drawout case inside the power distribution cabinet, and needs to be connected to the power line, CT (Current Transformer) line and VT (Voltage Transformer) line. Due to its drawout structure, it is convenient for quick on-site access to the power grid.

Maintenance Notes

• Regular Inspection: Regularly check the tightness of the enclosure connections to ensure no looseness.
• Parameter Setting: Parameters need to be set according to on-site power grid conditions (such as rated current, short-circuit current).
• Replacement and Inspection: In case of failure or maintenance needs, it can be directly pulled out for replacement or inspection, minimizing power outage time.

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Xingruijia

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