209-3-25521-15

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Circuit Breakers: 209-3-25521-15 Application Field and Working Principle

Circuit breakers are devices used in electrical systems designed to protect against short circuits, overloads, and other hazardous conditions. Circuit breakers are found in many different industries, including residential, commercial, and industrial applications. This article will focus on the 209-3-25521-15 circuit breaker, discussing its application field and its working principle.The 209-3-25521-15 is an electric circuit breaker designed for infrequent operation. It provides overload and short circuit protection for branch circuits, including single phase and 3-pole applications. The 209-3-25521-15 is suitable for residential, commercial, and industrial applications and is suitable for use on 120/240V AC circuits. It is rated for up to 30A current.The 209-3-25521-15 has two distinct modes of operation: manual and automatic. In manual mode, the circuit breaker is manually opened and closed using a toggle switch. In automatic mode, the 209-3-25521-15 will open and close automatically in response to a predetermined current threshold, providing protection to the circuit from overloads and short circuits. The 209-3-25521-15 also features a test button, which allows its current threshold to be tested.The 209-3-25521-15 has a design based on two simple concepts: inverse time-delay and thermal overloads. Inverse time-delay is a type of current protection which acts as an overcurrent-based safeguard. It works by measuring the incoming current and if it exceeds the breaker\'s predetermined maximum current, the breaker will trip and open. Thermal overload protection works by measuring the heat generated by the current and if it exceeds the breaker\'s threshold, the breaker will trip and open as well.In summary, the 209-3-25521-15 is an electric circuit breaker designed for infrequent operation and suitable for residential, commercial, and industrial applications. It provides overload and short circuit protection and has two modes of operation: manual and automatic. The 209-3-25521-15 operates on a design based on two simple concepts: inverse time-delay and thermal overload. It is rated for up to 30A current and features a test button for testing the current threshold.

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