PP11-51F-15.0A-32291-3-V

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Circuit breakers are essential components in an electrical system. The PP11-51F-15.0A-32291-3-V is an example of one such circuit breaker.

A circuit breaker is a device used to protect electrical equipment from the damaging effects of overcurrent. In the event of a short circuit or other fault that triggers excessive current draw, the breaker will trip, disconnecting the power supply. In this way, the breaker will prevent the overflow of current, preventing damage to the electrical system and unnecessary downtime.

The PP11-51F-15.0A-32291-3-V is a 15.0 amp single pole thermal-magnetic circuit breaker that provides protection against low levels of overcurrent and short circuits. This breaker is UL 489 listed, which means it is suitable for use in 277VAC, 3-phase systems. In addition, this breaker has a variety of UL1077 supplemental protectors, allowing it to be used in a wide range of applications. The PP11-51F-15.0A-32291-3-V is designed to operate within a specific temperature and voltage range, minimizing the risk of system damage or overheating.

The PP11-51F-15.0A-32291-3-V employs a common type of circuit breaker known as a thermal-magnetic breaker. Thermal-magnetic breakers use a combination of thermal and magnetic forces to operate and protect the circuit. The thermal element is essentially a bimetallic strip that will expand when exposed to heat, causing the breaker to trip when it approaches its maximum rated current. The magnetic element consists of a metal plunger surrounded by an electromagnetic coil. When current flows through the coil, a force is created that forces the plunger into the bimetallic strip, further expanding it. This combination of forces is used to precisely control the level of current passing through the circuit, providing effective protection against overcurrent.

For certain applications such as AC motor circuits, it may be necessary to use a specialized type of breaker such as a magnetic-only breaker. This type of breaker is designed to detect and trip on overloads that the thermal element alone may not be able to detect. In such cases, the PP11-51F-15.0A-32291-3-V can be used in conjunction with a magnetic-only breaker to provide additional protection against overloads.

Overall, the PP11-51F-15.0A-32291-3-V is an excellent choice for a variety of applications where maximum protection against overcurrent is required. With its UL 489 rating and wide range of UL1077 supplemental protectors, this versatile circuit breaker is sure to provide exceptional performance in a variety of settings.

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