1. Product Overview

2. Key Specifications

3. Product Features

• Modular Design: Adopts a modular structure, enabling easy replacement and upgrade of accessories, which effectively reduces maintenance costs.
• Compact Structure: Features a molded case construction, resulting in a small size and light weight, making it ideal for installation in space-constrained environments.
• High Reliability: Complies with the IEC 60947-2 standard and boasts a rated short-circuit breaking capacity of up to 36kA, which can effectively protect downstream electrical equipment against overload and short-circuit faults.
• User-Friendly Operation: Equipped with an ergonomically designed handle for smooth and flexible manual operation, paired with clear indicator lights for intuitive status monitoring.

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4. Structure and Components

• Molded Case: Constructed from high-strength plastic, providing reliable insulation and protective performance.
• Main Contact System: Consists of the circuit breaker body and internal contact components, including springs, magnetic conductive sheets, and other core parts.
• Operating Mechanism: Comprises a control handle, spring mechanism, and return spring, supporting manual on/off control of the circuit breaker.
• Thermal-Magnetic Protection Device: Generally includes adjustable overload trip units and instantaneous trip units, designed to detect abnormal current conditions and trigger protection actions.
• Auxiliary Circuits (Optional): Equipped with interfaces for optional accessories such as current transformers (CT) and indicator lights, expanding functional applicability.

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5. Application Areas

• Industrial Power Distribution: Applicable to equipment rooms, factory distribution boards, motor control centers (MCC), and other industrial power distribution scenarios.
• Commercial Buildings: Suitable for main distribution boxes in office buildings, shopping malls, and other commercial facilities.
• Residential Buildings: Used in distribution boxes for residential quarters and power systems for large-scale residential properties.
• Other Scenarios: Ideal for various electrical equipment requiring medium-current protection.

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6. Installation and Maintenance Recommendations

Installation Guidelines

• Install the circuit breaker in a dry, well-ventilated environment to ensure stable long-term operation.
• Select DIN rail mounting or panel mounting based on actual application needs, and ensure secure and firm fixation to avoid loosening during operation.

Maintenance Tips

• Regular Inspections: Conduct a comprehensive annual inspection, including visual appearance checks, handle operation flexibility tests, and indicator light function verification.
• Cleaning and Upkeep: Regularly remove dust and dirt from the circuit breaker casing, and keep ventilation vents unobstructed to prevent overheating.
• Accessory Replacement: Always use genuine original accessories for replacement to avoid performance degradation, malfunctions, or safety hazards caused by inferior accessories.