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A shunt trip is an electrical circuit’s equivalent of a heroic maneuver. Consider a circuit breaker to be a guard for your electrical system. Its purpose is to keep things from going crazy if there is too much power present.
Enter the shunt trip, which functions similarly to the guard’s remote control. When you push a button on this remote, a particular coil inside it becomes energized and generates a magnetic field. This magnetic field communicates with the circuit breaker and nudges it, saying, “Hey, time to take a break!”
The circuit breaker receives the signal and says, “Alrighty, shutting down now!” It just opens its connections and cuts off the electricity flow. This comes in handy when you need to rapidly turn off the power from a distance. Consider it a safety switch that you can activate even if you aren’t directly next to the breaker.
In other words, a shunt trip is a remote-controlled means to cause a circuit breaker to trip by utilizing a magnetic magic trick. It’s useful for keeping things secure without having to go around flipping switches.
Are you looking for Shunt Trip parts? We made a video inside our Switchgear and Circuit Breaker Parts Warehouse. This particular video is about Siemens/Allis Chalmers MA Series circuit breaker parts. Below is a little more about a shunt trip for a MA-this breaker’s specifications.
Voltage Rating: The “4.76KV” indicates the voltage rating of the circuit breaker. It suggests that the breaker is designed to handle systems with a voltage of 4.76 kilovolts (kV).
Current Rating: The “1200A” indicates the current rating of the circuit breaker. It suggests that the breaker can carry a continuous current of up to 1200 amperes without tripping.
Operating Mechanism: The “EO/DO” likely refers to the operating mechanisms of the circuit breaker. “EO” stands for “Electrical Operation,” meaning the breaker can be controlled remotely using an electrical signal. “DO” stands for “Manual Operation,” indicating that there’s a manual mechanism to operate the breaker as well.
This video is about Siemens/Allis Chalmers MA Series circuit breaker parts. Below is a little more about this breaker’s specifications. Voltage Rating: The “4.76KV” indicates the voltage rating of the circuit breaker. It suggests that the breaker is designed to handle systems with a voltage of 4.76 kilovolts (kV).
Current Rating: The “1200A” indicates the current rating of the circuit breaker. It suggests that the breaker can carry a continuous current of up to 1200 amperes without tripping. Operating Mechanism: The “EO/DO” likely refers to the operating mechanisms of the circuit breaker. “EO” stands for “Electrical Operation,” meaning the breaker can be controlled remotely using an electrical signal. “DO” stands for “Manual Operation,” indicating that there’s a manual mechanism to operate the breaker as well.
Interrupting Capacity: This specification refers to the maximum fault current that the circuit breaker can safely interrupt without causing damage. It’s crucial for ensuring the protection of the electrical system. Tripping Characteristics: Different circuit breakers can have various tripping characteristics, such as instantaneous, short-time delay, and long-time delay trips. These settings determine how quickly the breaker will trip in response to different levels of fault currents.
Physical Dimensions: The physical size and dimensions of the circuit breaker are important to ensure that it fits within the designated switchgear or electrical enclosure. Environmental Ratings: These ratings indicate the operating conditions the circuit breaker is designed for. This includes factors such as temperature range, humidity, altitude, and indoor/outdoor usage.
Accessories: Circuit breakers can come with various accessories like shunt trips, auxiliary switches, ground fault protection, and more. These accessories enhance the functionality and safety of the breaker. Standards Compliance: The circuit breaker should meet relevant industry standards, such as those set by organizations like ANSI, IEC, or IEEE.
Documentation: The manufacturer should provide detailed documentation that includes installation instructions, operation guidelines, maintenance procedures, and troubleshooting information. For accurate and updated information on the MA-250C Allis-Chalmers 1200A 4.76KV EO/DO Air Circuit Breaker, reach out to the manufacturer directly or consulting official product manuals and specifications.
BCS Switchgear is an industry leader in new and obsolete electrical control and distribution equipment. Since 1997, BCS has been servicing customers to extend electrical life of low and medium voltage electrical power equipment.
Cody can be reached by email: [email protected]
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