ABB Molded Case Circuit Breaker 1SDA054141R1 T4L320 PR221DS-LSI R320 FF 3P 10061965

1. Product Overview

   The ABB T4L series MCCBs are designed for applications requiring reliable overload and short-circuit protection in low-voltage electrical systems. These breakers are part of the Tmax family, known for their compact design, high performance, and versatility in various electrical systems.

2. Functional Features

   • The T4L series offers a range of current ratings to accommodate different loads and system requirements.
   • They feature advanced tripping mechanisms, including thermal-magnetic and electronic trip units, for selective coordination and precise fault detection.
   • The breakers provide a visible indication of the on/off status and support a variety of accessories for enhanced functionality.

3. Technical Specifications

   • The series is rated for AC systems with voltages up to 690V and frequencies of 50/60 Hz.
   • Current ratings vary across the series to match different load requirements, with breaking capacities up to 100 kA.
   • The T4L MCCBs comply with international standards such as IEC 60947-2, ensuring reliability and safety.

4. Advantages Analysis

   • Compact Design: The T4L series offers a space-saving solution that is ideal for applications with limited panel space.
   • High Breaking Capacity: Capable of interrupting high levels of fault currents, ensuring safety in fault conditions.
   • Safety: The breakers are designed with safety in mind, incorporating features that prevent unauthorized operation and protect against electrical faults.
   • Reliability: Engineered for consistent performance and long service life in various environmental conditions.

5. Application Scenarios

   • Ideal for use in motor control centers, distribution boards, and switchgear where reliable protection is essential.
   • Commonly used in applications such as HVAC systems, industrial machinery, and power distribution for commercial buildings and infrastructure.
   • The T4L series is also suitable for backup power systems and renewable energy applications where electrical safety is critical.

The ABB T4L series molded case circuit breakers provide a comprehensive solution for circuit protection in a variety of applications, ensuring the safety and reliability of electrical systems.