ABB 1SDA054420R1 Molded Case Circuit Breaker

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Product Overview:
The ABB 1SDA054420R1 is an industrial-grade molded case circuit breaker (MCCB) designed to protect electrical circuits and equipment from overload, short circuit, or undervoltage faults. Featuring high-performance trip mechanisms and reliable contacts, it provides fast interruption and high mechanical durability, making it a key component for electrical safety in industrial, commercial, and distribution systems.

Technical Specifications:

• Model: 1SDA054420R1

• Type: Molded Case Circuit Breaker (MCCB)

• Poles: 3

• Rated Operating Voltage: 690 V AC

• Rated Current: 40 A

• Breaking Capacity: 10 kA

• Operating Temperature: -25–60°C

• Mounting: DIN rail or panel mount

• Protection Level: IP20

• Certification: CE, IEC 60947-2

Advantages and Features:

1. High Reliability: Industrial-grade design ensures long-term stable operation.

2. Overload and Short-Circuit Protection: Effectively protects circuits and equipment.

3. Fast Interruption: Quickly cuts off fault currents, reducing potential damage.

4. Long Life Design: High mechanical life suitable for frequent operation.

5. Easy Installation: Supports DIN rail or panel mounting for versatile distribution systems.

Applications:

• Electrical circuit protection in industrial plants

• Commercial building distribution systems

• Motor and equipment protection

• Factory automation control systems

• Low-voltage distribution cabinets and control panels

Precautions:

1. Ensure rated current and voltage match the load before installation.

2. Avoid long-term use in high humidity, high temperature, or corrosive environments.

3. Regularly inspect breaker condition and terminal connections to ensure safety.

4. Do not disassemble or modify the circuit breaker without authorization to prevent compromising performance and safety.

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