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China Manufacturers ICHYTI Wholesale molded case breakers 2 pole ac mccb is a protective switch that integrates components such as contacts, arc extinguishing chambers, releases, and operating mechanisms into a plastic casing. Due to its compact structure, maintenance is generally not considered and is suitable for branch protection. There are two types of overcurrent releases: thermal magnetic and electronic.
The thermal magnetic molded case circuit breaker is a non-selective circuit breaker that only provides two protection methods: overload long delay and short-circuit instantaneous; Electronic molded case circuit breakers provide four protection functions: overload long delay, short circuit short delay, short circuit instantaneous, and ground fault. Some electronic molded case circuit breakers can also have regioselectivity interlocking function. Most molded case circuit breakers are manually operated, while a few are equipped with motor operating mechanisms.
Product Model |
YTTM1-125 ・ |
Pole |
2P |
Colour |
White |
Rated Current (A) |
32, 40, 63, 80, 100, 125 |
Rated Working Voltage(V) |
400 |
Rated Insulated Voltage(V) |
660 |
Limiting Short Circuit Breaking Capacity(kA) |
25 |
Operating Short Circuit Breaking Capacity(kA) |
19 |
Characteristic Curve |
C |
Standard |
IEC60947-2 |
Frequency |
50/60HZ |
According to the different extinguishing media, low-voltage circuit breakers can be divided into three categories: air circuit breakers (also known as air switches), which use air as the extinguishing medium; Inert gas circuit breakers (also known as inert gas switches) use inert gas as the arc extinguishing medium; Oil circuit breakers (also known as oil switches) use oil as the arc extinguishing medium.
Q: What is the use of motor protection circuit breaker?
A: CHYT Motor circuit breakers are designed to ensure the safety of motor branch circuits by combining the functions of low voltage circuit breakers and thermal overload relays. These devices protect against overloads, phase loss, and short circuits, while also allowing for secure wiring practices.
Q: How do I choose a motor protection circuit breaker?
A: When selecting a circuit breaker for motor protection, it is important to consider two key characteristics of the motor: its overload capacity and the fact that its starting current is typically several times greater than its rated current.