ABB 1SDA067057R1 Molded Case Circuit Breaker

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1. Product Overview

The ABB 1SDA067057R1 Molded Case Circuit Breaker (MCCB) is part of the ABB SACE Tmax XT series. It is a three-pole fixed-mounted circuit breaker equipped with an Ekip LS/I electronic trip unit, designed to provide reliable overload and short-circuit protection in low-voltage power distribution systems. The breaker features high breaking capacity, excellent selectivity, and long-term operational stability for industrial and commercial applications.

2. Technical Specifications

• Model: 1SDA067057R1

• Product Type: Molded Case Circuit Breaker (MCCB)

• Series: ABB SACE Tmax XT

• Frame Size: XT2N 160

• Rated Current (In): 100 A

• Rated Uninterrupted Current (Iu): 160 A

• Number of Poles: 3

• Mounting Type: Fixed

• Trip Unit: Ekip LS/I (Electronic)

  • L: Long-time overload protection

  • S: Short-time short-circuit protection

  • I: Instantaneous short-circuit protection

• Rated Operational Voltage (Ue): up to 690 V AC

• Rated Insulation Voltage (Ui): 1000 V

• Rated Impulse Withstand Voltage (Uimp): 8 kV

• Frequency: 50 / 60 Hz

• Ultimate Short-Circuit Breaking Capacity (Icu):

  • 65 kA @ 220–240 V AC

  • 36 kA @ 380–415 V AC

  • 30 kA @ 500 V AC

  • 20 kA @ 525 V AC

  • 10 kA @ 690 V AC

• Service Breaking Capacity (Ics): 100% of Icu

• Terminal Type: Front bolt terminals

• Mechanical Life: Approx. 25,000 operations

• Electrical Life: Approx. 8,000 operations

• Standards: IEC 60947-2

3. Advantages and Features

1. Accurate Electronic Protection
   The Ekip LS/I electronic trip unit ensures precise overload and short-circuit protection.

2. High Breaking Capacity
   Suitable for applications with high prospective short-circuit currents.

3. Industrial-Grade Reliability
   Designed for continuous operation with long mechanical and electrical life.

4. Good Selectivity Performance
   Supports coordination with upstream and downstream protection devices.

5. Easy Installation and Maintenance
   Fixed mounting design with front terminals simplifies panel installation.

4. Applications

• Industrial low-voltage distribution systems

• Automation control panels

• Motor feeders and equipment protection

• Commercial building power distribution

• Energy and infrastructure projects

• Water treatment and HVAC systems

• OEM switchgear and panel manufacturing

5. Installation and Usage Notes

1. Always disconnect the power supply before installation or maintenance.

2. Ensure the breaker ratings match the system voltage and current.

3. Tighten terminals according to the specified torque to avoid overheating.

4. Do not use the breaker beyond its rated breaking capacity.

5. Periodic inspection of connections and operating condition is recommended.