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Circuit Breakers

Introduction

The IALK1-39282-10 is a type of miniature circuit breaker (MCB) used primarily as an on/off switch to protect an electrical circuit from overloads and short circuits. It belongs to the IALK1 series of MCBs, developed by Schneider Electric that are rated for use at AC 50/60 Hz, 6 – 50 A and 415 VAC.

Design

The IALK1-39282-10 was designed to be a robust, reliable, and easy to install current-limiting circuit breaker. The body of the circuit breaker is made of flame retardant material and it also has a stainless steel clip to secure it in place. The circuit breaker has an operative temperature range of -5°C to +55°C and can be used with a variety of accessories like shunt trips, auxiliaries, and undervoltage releases.

Application Field

The IALK1-39282-10 is primarily used in a variety of industrial and commercial applications like controlling switching circuits, motor circuits, and HVAC systems. It is suitable for applications that require a single-pole circuit breaker with current ratings up to 50 A. It is also suitable for applications where the environment is exposed to moisture, dust and other contaminants.

Working Principle

The IALK1-39282-10 operates under the principle of thermal-magnetic operation. This means that it makes use of a thermal element in combination with an electromagnetic element to detect and limit over-currents. The thermal element is responsible for detecting low-level over-currents, while the electromagnetic element is responsible for detecting and limiting higher-level over-currents. When a fault current is detected, the circuit breaker trips and interrupts the current flow.

Conclusion

The IALK1-39282-10 is a reliable and robust miniature circuit breaker (MCB) designed to protect electrical circuits from overloads and short circuits. It is suitable for use in industrial and commercial applications with current ratings up to 50 A. It operates using the principle of thermal-magnetic operation whereby a thermal element and an electromagnetic element detect and limit over-currents.

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