ABB 1SDA051234R1 Molded Case Circuit Breaker

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1. Product Overview

The ABB 1SDA051234R1 Molded Case Circuit Breaker is a key protective device in ABB low-voltage distribution systems, providing overload, short-circuit, and under-voltage protection. The breaker features a modular design suitable for industrial, commercial, and residential distribution systems. It offers high breaking capacity, strong reliability, and ease of operation, effectively ensuring the safety of electrical equipment and personnel.

2. Technical Specifications

• Model: 1SDA051234R1

• Product Type: Molded Case Circuit Breaker

• Rated Current: 32 A

• Poles: 3 Poles

• Rated Voltage: AC 400 V

• Short-Circuit Breaking Capacity: 10 kA

• Ultimate Breaking Capacity: Icu = 10 kA, Ics = 6 kA

• Tripping Characteristic: Type C

• Mounting: DIN rail / Panel mount

• Operating Temperature: –25 ℃ to +70 ℃

• Degree of Protection: IP20

• Standards: IEC 60947-2 / CE / UL

3. Advantages and Features

1. High-Reliability Protection
   Accurate overload and short-circuit protection ensures electrical system and equipment safety.

2. High Breaking Capacity
   Short-circuit breaking capacity up to 10 kA, suitable for industrial and commercial applications.

3. Modular Design
   DIN rail or panel mounting allows easy system layout and maintenance.

4. Ease of Operation
   Simple handle operation with mechanical interlock and status indication.

5. Wide Application
   Suitable for low-voltage distribution boards, control cabinets, factories, and building electrical systems.

4. Applications

• Industrial distribution systems

• Commercial building distribution panels

• Electrical protection for machinery

• Automation production line power protection

• Power and energy management systems

5. Installation and Usage Notes

1. Ensure the rated current of the breaker matches the system load before installation.

2. Perform wiring and installation with power disconnected for safety.

3. Avoid installing directly in humid or corrosive environments; provide protective measures if necessary.

4. Regularly check the breaker status and operation to ensure long-term safety.

5. Do not modify or disassemble the breaker to avoid compromising protection functions.