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  • ABB 1SDA054347R1 Molded Case Circuit Breaker — Product Description

    1. Product Overview

    The ABB 1SDA054347R1 is a high-performance molded case circuit breaker (MCCB) designed for overload, short-circuit, and under-voltage protection in low-voltage distribution systems. It features high breaking capacity, reliable tripping characteristics, and a modular design. It is suitable for industrial, commercial, and infrastructure applications, with a variety of optional accessories for remote monitoring, alarm outputs, and system integration.

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    2. Technical Specifications

    • Model: 1SDA054347R1

    • Type: Molded Case Circuit Breaker (MCCB)

    • Rated Current (In): 160 A

    • Poles: 3P (Three-pole)

    • Ultimate Short-Circuit Breaking Capacity (Icu): 36 kA / 400 V AC

    • Rated Operational Voltage (Ue): 690 V AC

    • Trip Type: Adjustable thermal-magnetic trip (B, C, D type selectable)

    • Mechanical Life: ≥ 10,000 operations

    • Electrical Life: ≥ 4,000 operations

    • Protection Class: IP20

    • Mounting: Panel or base mounting

    • Operation: Manual handle ON/OFF

    • Accessory Compatibility: Auxiliary contacts, alarm contacts, remote operation modules

    • Operating Temperature: -25°C ~ +60°C

    • Weight: ~18–20 kg

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    3. Features & Advantages

    1. Reliable protection

       • Accurate tripping for overload and short-circuit currents

       • Complies with IEC/EN 60947-2 standards

    2. High breaking capacity

       • Maximum short-circuit breaking capacity up to 36 kA, suitable for high fault currents

    3. Modular and flexible

       • Compatible with auxiliary contacts, alarm modules, and remote operation modules

       • Easy system expansion and monitoring

    4. Easy operation

       • Manual handle operation, intuitive and user-friendly

       • Quick panel or base mounting

    5. Long service life and low maintenance

       • High mechanical and electrical life

       • Built-in self-diagnostic functions reduce maintenance cost

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    4. Typical Applications

    • Industrial distribution systems

    • Low-voltage protection for commercial and large buildings

    • Protection for motors, pumps, fans, and compressors

    • Low-voltage protection in power plants and substations

    • Automation production lines and energy management systems

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    5. Precautions

    • Ensure rated current matches the load before installation

    • Installation and wiring must be done with power off

    • Avoid prolonged use in humid, corrosive, or high-temperature environments

    • Regularly inspect handle and terminals to ensure good contact

    • Optional accessories can enhance remote monitoring and alarm functionality

    • Set parameters according to application and load characteristics

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