IULBXK1-34021-4

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Circuit breakers are one of the most important components of electrical systems. Their main purpose is to protect electrical systems by quickly breaking the circuit when there is an overload or short circuit.

The IULBXK1-34021-4 is a type of circuit breaker manufactured by Siemens. It is typically used for protection of medium and low-voltage circuits. This particular device can handle operating voltages of up to 690 volts and has a short circuit rating of up to 10kA.

The IULBXK1-34021-4 is a trip-free design, meaning that it can be manually operated or trip triggered without any force. It can be used with an automatic trip unit installed inside the breaker or a separate remote monitoring device. Additionally, it is CSA certified and can be used in most North American locations.

The basic function of the IULBXK1-34021-4 is to break the circuit if there is an overload or short circuit detected. This is achieved by means of an internal trip unit, which senses the current in the circuit and trips the breaker if it exceeds the maximum rated current. It also features a thermal-magnetic trip unit, which provides additional protection against overloads and short circuits.

The IULBXK1-34021-4 also features a trip curve, which allows the user to adjust the current handling properties of the breaker. This feature is especially useful for applications where power requirements are frequently changing, such as hospitals or data centers. The user can adjust the trip curve by means of a knurled knob or a rotary switch, which is located on the front of the breaker.

The IULBXK1-34021-4 is ideal for applications where safety is a priority. It ensures that any overcurrent or short circuit is quickly detected and removed from the system, preventing any further damage or harm. This makes it especially suitable for use in hospitals, industrial installations, and other critical applications.

In summary, the IULBXK1-34021-4 is a trip-free circuit breaker suitable for a wide range of applications. It is CSA certified and features a thermal-magnetic trip unit for additional protection against overloads and short circuits. The adjustable trip curve allows the user to customize the current handling properties of the breaker for changing power requirements. Overall, it is an excellent choice for safety-critical applications.

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