B21-61-20.0A-37252-1-V

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

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Circuit breakers are important devices in electrical engineering, used mainly to protect and control circuits in buildings, industries, and power distribution systems by breaking off the electricity supply when the current exceeds its rated capacity. The B21-61-20.0A-37252-1-V circuit breaker is a specialized type of circuit breaker that is used in various applications.The primary purpose of the B21-61-20.0A-37252-1-V circuit breaker is to interrupt the electrical supply to a circuit if the current exceeds its rated capacity. This type of circuit breaker is suitable for direct current (DC) circuits, with an interrupt capacity of 20.0A and a voltage rating of 240V/277V.The design of the B21-61-20.0A-37252-1-V circuit breaker is based on the inverse time-delay principle. This principle states that if the current in the circuit exceeds its rated capacity, the circuit breaker will open relatively quickly compared to a conventional circuit breaker that uses the same principle. This is achieved by a time-delay mechanism which causes the contacts to open at a much faster rate when the current exceeds the rated capacity.In addition to its primary purpose of preventing electrical overloads, the B21-61-20.0A-37252-1-V circuit breaker is also used to protect circuits against other types of fault or damage, such as short circuit, motor overloading, or arc flash. Furthermore, this type of circuit breaker is commonly used in applications such as DC battery circuiting systems, HVAC systems, solar photovoltaic systems, and even hybrid electric vehicles.When the current in a circuit exceeds its rated capacity, the time delay mechanism of the B21-61-20.0A-37252-1-V circuit breaker is activated and the circuit is disconnected automatically. This is achieved by first detecting the over-current and then using a discriminating relay to activate the circuit breaker. The discriminating relay compares the current value to the rated capacity of the circuit breaker and then signals the main contacts to open, triggering the mechanism to disconnect the circuit.The design of the B21-61-20.0A-37252-1-V circuit breaker is such that even when the current exceeds its rated capacity, the circuit breaker will only disconnect after a certain interval of time, allowing the controlling equipment to respond and shut down any devices which might be affected by the overload. This time delay mechanism is designed with a double series of delays, allowing the breaker to operate at its optimum performance level.In addition to its primary function of circuit protection, the B21-61-20.0A-37252-1-V circuit breaker also provides a visual indication of when it has been tripped, providing a useful warning signal when the circuit has been disconnected. Furthermore, the patented magnetic actuator technology of this type of circuit breaker guarantees a reliable break response and consistent operation.The B21-61-20.0A-37252-1-V circuit breaker is a reliable, durable, and dependable device that is suitable for use in a wide variety of applications. It is designed to protect against electrical overloads and other types of fault or damage, while also providing a visual indication when it has been tripped. Furthermore, its patented magnetic actuator technology guarantees a reliable break response and consistent operation.

The specific data is subject to PDF, and the above content is for reference