ABB SACE E6H 50 Air Circuit Breaker

• ABB SACE E6H 50 Air Circuit Breaker (ACB)

  1. Product Overview

  The ABB SACE E6H 50 is an Air Circuit Breaker (ACB) designed for low-voltage distribution systems to provide protection against overload, short-circuit, and earth leakage. It features high breaking capacity, adjustable electronic trip units, and advanced protection, ensuring safe and reliable operation of power systems.

  2. Technical Specifications

  • Model: SACE E6H 50

  • Type: Air Circuit Breaker (ACB)

  • Poles: 3-pole / 4-pole optional

  • Rated Current: 50 A

  • Rated Operating Voltage: 690 V AC

  • Rated Insulation Voltage: 800 V

  • Ultimate Short-Circuit Breaking Capacity (I_cu): 50 kA

  • Service Short-Circuit Breaking Capacity (I_cs): 35 kA

  • Trip Unit: Electronic adjustable protection

  • Features: Overload protection, short-circuit protection, earth leakage protection, optional remote communication

  • Mounting: Panel or draw-out type

  • Protection Rating: IP40

  • Operating Temperature: -25 °C to +55 °C

  • Standards: IEC 60947-2 / IEC 60947-6-1

  3. Advantages and Features

  1. Intelligent Protection: Electronic trip unit provides precise overload, short-circuit, and earth leakage protection.

  2. High Breaking Capacity: Reliably interrupts high short-circuit currents at rated voltage.

  3. High Monitoring Capability: Optional remote monitoring and communication modules enable smart grid management.

  4. Modular Design: Draw-out or fixed mounting allows easy maintenance and replacement.

  5. International Standard Compliance: IEC 60947 certified for global application compatibility.

  4. Typical Applications

  • Low-voltage distribution systems in industrial plants

  • Commercial and large building power distribution boards

  • Electrical substations and distribution rooms

  • Motor Control Centers (MCC)

  • Smart grid and automated distribution systems

  5. Installation and Usage Notes

  • Disconnect power before installation to ensure safety.

  • Verify breaker rated current matches the system load to prevent overload or nuisance tripping.

  • Follow wiring diagrams for correct installation to ensure normal operation.

  • Regularly inspect terminals, operating mechanisms, and electronic trip units.

  • Avoid prolonged use in high humidity, corrosive, or high-vibration environments.

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The structure and details of the product：

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