Molded Case Breakers 2 Pole Ac Mccb

CNKA, a leading manufacturer from China, offers wholesale 2-pole AC MCCBs that serve as protective switches. These breakers integrate components such as contacts, arc extinguishing chambers, releases, and operating mechanisms within a plastic casing. Their compact design typically means that maintenance is minimal, making them ideal for branch protection.

There are two main types of overcurrent releases: thermal magnetic and electronic. Thermal magnetic molded case circuit breakers provide basic protection with two functions: overload long delay and short-circuit instantaneous. On the other hand, electronic molded case circuit breakers offer more advanced protection with four functions: overload long delay, short-circuit short delay, short-circuit instantaneous, and ground fault. Some electronic models may also include regioselectivity interlocking functions. Most molded case circuit breakers are manually operated, though some come with motor operating mechanisms.

CNKA molded case breakers 2 pole ac mccb Parameter (Specification)

CNKA molded case breakers 2 pole ac mccb Classification

Low-voltage circuit breakers can be categorized based on the extinguishing medium they use:

1. Air Circuit Breakers (also known as air switches) utilize air as the medium for extinguishing the arc.

2. Inert Gas Circuit Breakers (also known as inert gas switches) employ inert gases to extinguish the arc.

3. Oil Circuit Breakers (also known as oil switches) use oil as the arc extinguishing medium.

CNKA molded case breakers 2 pole ac mccb Details

CNKA molded case breakers 2 pole ac mccb Dimensions

CNKA molded case breakers 2 pole ac mccb FAQ

Q: What is the use of a motor protection circuit breaker?
A: CNKA Motor Circuit Breakers are designed to protect motor branch circuits by integrating the functions of low voltage circuit breakers and thermal overload relays. They provide protection against overloads, phase loss, and short circuits, while also supporting safe wiring practices.

Q: How do I choose a motor protection circuit breaker?
A: When selecting a motor protection circuit breaker, it’s crucial to consider the motor’s overload capacity and the fact that its starting current can be several times higher than its rated current.