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ABB T4N250 PR221DS-LSI R250 FF 3P Circuit Breaker
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ABB 1SVR011700R0000 Automation Module
ABB 1SVR011700R0000 Automation Module

ABB T4N250 PR221DS-LSI R250 FF 3P Circuit Breaker

Product Overview
The ABB T4N250 PR221DS-LSI R250 FF 3P is a high-performance circuit breaker designed for reliable protection and control in electrical distribution systems. It integrates advanced protection functions to safeguard against overloads, short circuits, and ground faults, ensuring the safety and efficiency of electrical installations.

Technical Specifications

  • Model: T4N250 PR221DS-LSI R250 FF 3P
  • Poles: 3P (Three-Phase)
Category:
Description
  • Rated Current: 250A
  • Rated Voltage: Up to 690V AC
  • Breaking Capacity: 25kA (at 415V)
  • Protection Functions:
    • Overload protection (L)
    • Short-circuit protection (S)
    • Ground fault protection (I)
  • Trip Unit: PR221DS-LSI Electronic Trip Unit
  • Operating Mechanism: Spring-operated, trip-free design
  • Terminal Type: Front-connected terminals
  • Mounting: DIN rail or panel-mounted
  • Compliance Standards: IEC 60947-2, UL 489, CCC, CE

Functional Characteristics

  • Advanced Protection: The PR221DS-LSI trip unit provides precise and adjustable protection settings for overload, short-circuit, and ground fault conditions, ensuring optimal safety for electrical equipment.
  • Selectivity and Coordination: The circuit breaker supports selective coordination with other protective devices in the system, minimizing downtime and preventing unnecessary power outages.
  • High Breaking Capacity: With a breaking capacity of 25kA, it can effectively interrupt high fault currents, protecting the electrical network from damage.
  • Modular Design: The modular design allows for easy installation, maintenance, and expansion, making it suitable for various applications.
  • Status Indication: The circuit breaker is equipped with status indicators to provide clear visual feedback on its operational state, facilitating quick diagnostics and troubleshooting.

Application Scenarios

  • Industrial Plants: Used in industrial facilities for the protection of motors, pumps, and other electrical equipment against overloads and short circuits.
  • Commercial Buildings: Ideal for use in commercial buildings such as offices, shopping malls, and hotels to ensure the safety and reliability of the electrical distribution system.
  • Data Centers: Provides critical protection for data center power distribution systems, ensuring uninterrupted operation of servers and networking equipment.
  • Renewable Energy: Suitable for use in solar and wind power generation systems to protect inverters and other components from electrical faults.
  • Infrastructure Projects: Used in infrastructure projects such as airports, railways, and water treatment plants to safeguard electrical installations against potential hazards.
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