2907489

Series:	TMC 8
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal Magnetic
Current Rating:	13A
Voltage Rating - AC:	277V
Voltage Rating - DC:	60V
Number of Poles:	1
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	DIN Rail

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Circuit breakers are a vital component of any electrical system. Without proper circuit breakers, electrical circuits can experience short-circuits or even electrical fires. The 2907489 application field and working principle is an important part of understanding how to install and maintain the safety of your circuit breakers.

What is 2907489 2907489 is a thermal-magnetic trip unit designed for use in industrial, commercial, and residential applications. It is designed to protect against over-currents and short-circuits. The device features a self-monitoring, highly precise, and thermally responsive electronic overload protection and provides superior time-delay performance. It also has the advantage of allowing precise override control with timed or instantaneous reset. This product is UL 489 Listed and certified to cULus (Canada only). Application FieldThe 2907489 circuit breaker is suitable for a variety of applications and is commonly used in industrial, commercial, and residential settings. This type of circuit breaker is great for overclocking protection and short-circuit protection in high horsepower motor applications. It is also suitable for motor control, air conditioning, and Crane lift systems.Working PrincipleThe 2907489 circuit breaker utilizes a thermal-magnetic trip unit which is essentially a combination of a thermal element and a magnetic element to protect against overloads and short-circuits. The thermal element is designed to detect heat generated by current overloads and then tripping the breaker as soon as the overcurrent is detected. The magnetic element is to detect sudden spikes in current and trip the breaker before the thermal element has time to react.Safety FeaturesThe 2907489 circuit breaker is equipped with numerous safety features to ensure the safety of the circuit. The breaker has an overload reset timer to prevent repeated trips due to prolonged overloads and a lockout feature to prevent the breaker from being reset if the device has reached its maximum trip time. It also has a time-delay feature which ensures that the breaker will not trip due to a momentary power surge or inrush current. All these features help ensure that the breaker is providing maximum protection for the circuit.ConclusionThe 2907489 application field and working principle are essential for anyone looking to install or maintain the safety of their circuit breaker. With its thermal-magnetic trip unit, it provides superior overload and short-circuit protection and its numerous safety features offer additional protection from power surges and current overloads. By understanding how the 2907489 works and its various applications, you can ensure that your circuit is protected from potential damage and maintained safely.

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