ABB SACE PR122/P-LSIG Trip Unit

Overview

The ABB SACE PR122/P-LSIG is a trip unit used in SACE Emax low-voltage air circuit breakers. These breakers protect and control electrical systems across various applications.

Key Features and Functions

• LSIG Protection:
  The PR122/P-LSIG offers comprehensive protection functions:

  • L (Long-time protection): Provides overload protection with inverse time characteristic.
  • S (Short-time protection): Offers short-circuit protection with definite or inverse time characteristic.
  • I (Instantaneous protection): Delivers high-speed short-circuit protection.
  • G (Ground-fault protection): Safeguards against ground faults.

• Adjustable Settings:
  Users can customize protection by adjusting current thresholds and time delays based on application requirements.

• Communication Capabilities:
  Some versions support communication protocols, enabling remote monitoring and control.

• Advanced Features:
  Depending on the model, additional features may include:

  • Zone Selective Interlocking: Ensures coordinated protection in multi-breaker systems.
  • Load Shedding: Prevents system overload by selectively disconnecting non-essential loads.
  • Metering Functions: Measures electrical parameters such as current, voltage, and power.

Applications

• Power distribution systems
• Industrial plants
• Commercial buildings
• Data centers
• Renewable energy installations

Technical Specifications

• Product ID: PR122/P-LSIG
• Dimensions: 100 mm x 100 mm x 50 mm
• Weight: 1 kg
• Suitable For: E1, E2, E3, E4, E6
• Standards: IEC
• Certifications: CE Declaration of Conformity

Key Features

• Overcurrent Protection: Protects against overcurrent situations.
• Compatibility: Works seamlessly with ABB Emax circuit-breakers.
• Compact Design: Easy to install and integrate into systems.
• High Performance: Ensures reliable and efficient operation.