C60N

What is the purpose of a miniature circuit breaker?

A miniature circuit breaker is designed to automatically interrupt electrical flow to protect an electrical circuit from damage caused by excess current, typically resulting from an overload or short circuit. Its function is to detect a fault condition and interrupt current flow to prevent wire damage, fire, or electrical hazards.

Can this circuit breaker be used for both AC and DC applications?

Yes, the Schneider C60N miniature circuit breaker is suitable for both alternating current (AC) and direct current (DC) applications, providing versatility in its use across different electrical systems.

What does the 'C' curve classification mean for this circuit breaker?

The 'C' curve classification indicates the tripping characteristics of the circuit breaker. It is designed to trip at current levels of 5 to 10 times its rated current, making it suitable for commercial and industrial applications with moderate inrush currents, such as small transformers, lighting, and control circuits.

How can I determine the correct amperage rating for my application?

To determine the correct amperage rating, you should calculate the total expected current load of the circuit and choose a circuit breaker with a rated current that meets or exceeds this load without being too high, which could compromise protection.

What is the breaking capacity of this circuit breaker?

The breaking capacity of the circuit breaker varies depending on the voltage level of the system. It is capable of interrupting fault currents up to 10 kA at 415 V AC, which is a common specification for many industrial applications.

Is the circuit breaker padlockable for safety purposes?

Yes, the circuit breaker features a provision for padlocking, which allows for locking the device in the off position to ensure safety during maintenance or when it is necessary to secure the circuit against unauthorised operation.

What is the typical mechanical and electrical durability for this circuit breaker?

The typical mechanical durability is rated for 20,000 cycles, and the electrical durability is rated for 10,000 cycles, indicating the longevity and reliability of the circuit breaker under normal operating conditions.

How does the thermal-magnetic trip unit technology work?

Thermal-magnetic trip unit technology in the circuit breaker utilises two distinct mechanisms for interrupting current flow: a bimetallic strip for thermal protection against prolonged overloads, and an electromagnetic device for quick response to short circuits, providing comprehensive protection.

What is the significance of the IP20 protection rating?

The IP20 protection rating signifies that the circuit breaker is protected against solid objects larger than 12.5 mm but is not protected against water. It is suitable for indoor use where it is not exposed to moisture.

Can this circuit breaker be used for isolation purposes?

Yes, the circuit breaker is suitable for isolation purposes, conforming to EN/IEC 60947-2 standards, which means it can be used to ensure a circuit is completely de-energised for service or maintenance.