209-3-25521-6

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Circuit breakers are among the most important components in electrical power systems. They are designed to protect electrical circuits from overloads, short circuits, and ground faults, and are used to control or protect electrical devices in residential, industrial and commercial applications. The 209-3-25521-6 is one type of circuit breaker.

The 209-3-25521-6 circuit breaker is a three-pole, molded-case circuit breaker with a voltage rating of 240 volts and a current rating up to 63 amps. It is UL listed for residential, light commercial, and industrial applications. This type of circuit breaker is often used in residential and commercial applications, such as in lighting circuits, air conditioning, and refrigeration.

The 209-3-25521-6 has two moving parts, a contactor and a trip unit. The contactor is a switch-like mechanism with three contacts that open and close when power is applied or removed from the circuit. The trip unit is a relay-type device that disconnects the circuit when it senses a fault or overload. The contactor and trip unit work together to provide overload protection and short-circuiting protection in the electrical circuit.

The 209-3-25521-6 also includes a thermal-magnetic trip unit, which responds to both temperature and current levels. This trip unit has two adjustable settings: a long-delay or adjustable calibration setting and a short-delay or fixed calibration setting. The long-delay setting is used to reduce nuisance trips caused by transient overloads, such as those caused by turning on lights and appliances in a circuit. The short-delay setting is used to quickly trip the circuit when it senses a high current.

The 209-3-25521-6 circuit breaker also includes a visible test switch, which is used to test the operation of the trip unit. This switch is used to make sure that the trip unit is working properly and resets the circuit breaker after it has tripped.

The 209-3-25521-6 circuit breaker is a reliable and durable device that is designed to provide years of trouble-free service. It is designed to meet or exceed safety and performance standards set by Underwriters Laboratories (UL) and other organizations. It is also engineered to be compatible with many brands of electrical equipment and systems.

The 209-3-25521-6 circuit breaker is a proven and reliable safety device and has been used in residential, commercial and industrial applications for many years. It is easy to install and can provide years of trouble-free service. It is an important part of any electrical system and is essential for protecting people and property from electrical hazards.

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