GE 218A4293P6RB

1. Overview

The GE 218A4293P6RB is a circuit breaker belonging to the GE 218 series, engineered for medium-voltage (5kV) power distribution networks. This series of circuit breakers stands out for its high reliability, straightforward operation, and easy maintenance, making it a critical protective device for industrial, commercial, and infrastructure power systems.

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2. Specifications

Parameter	Specification
Rated Voltage	5kV (Rated Operating Voltage)
Rated Current	170A (Marked by P6RB)
Number of Poles	2 Poles (Double Pole)
Insulation Type	Air-Bolted Insulation
Breaking Mode	Bolted Type (Mechanical disconnection via bolts)
Compliance Standard	IEC 60947-2

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3. Product Features

High Reliability: Adopts proven air-bolted insulation and bolted breaking technology, guaranteeing fast and effective circuit interruption under high fault current conditions.

Easy Maintenance: The bolted structural design simplifies on-site maintenance and component replacement (such as fuses), reducing downtime and labor costs.

Long Service Life: GE products are built with durable materials, delivering extended mechanical life and excellent weather resistance, suitable for long-term operation.

Strong Compatibility: Seamlessly integrates with other GE power distribution equipment, including relays and transformers, to form a complete and stable power distribution system.

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4. Structure and Components

Main Contact Assembly: Responsible for conducting and interrupting electrical current reliably.

Auxiliary Contacts (Optional): Used for signal indication or auxiliary circuit control.

Operating Mechanism: Consists of a handle, springs, and mechanical components, supporting both manual and electric operation.

Fuse Holder: Equipped in select variants to provide overload and overcurrent protection.

Enclosure: Offers robust mechanical protection and reliable electrical insulation for internal components.

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5. Applications

Industrial Power Distribution: Protects power distribution cabinets in factory workshops, warehouses, and other industrial facilities.

Commercial Buildings: Applied in main power distribution and branch circuits of shopping malls, office buildings, and other commercial premises.

Infrastructure: Safeguards power systems in critical infrastructure including airports, hospitals, and data centers.

Power Grid Distribution: Used as secondary equipment in substations and distribution stations.

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6. Installation and Maintenance

Installation

Mounting Location: Typically installed inside power distribution cabinets or boxes, with sufficient space reserved for heat dissipation.

Wiring: Follow IEC wiring standards to ensure correct phase sequence and secure, tight connections.

Mechanical Fixing: Secure the circuit breaker to the mounting base with bolts to prevent loosening during operation.

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Maintenance

Regular Inspection: Check the flexibility of the operating mechanism and inspect the handle for abnormal wear or damage.

Cleaning: Remove dust, corrosive substances, and debris from the enclosure regularly to maintain efficient heat dissipation.

Functional Testing: Perform regular opening tests to verify reliable circuit interruption under fault conditions.

Fuse Replacement: If equipped with a fuse holder, replace blown fuses promptly to restore normal protection function.

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