GBB-12-R

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GBB-12-R application field and working principle

Introduction

Fuses are a type of electrical protection device that are used in both industrial and residential applications. Generally, they are designed to protect components and circuits from over-current or short circuits. The GBB-12-R is a time-delay fuse designed for applications under 690 Volts. It offers protection against short circuits and overloads in medium voltage power systems, low voltage motors, electronic equipment, and solar cell systems. It also features a corrosion-resistant housing to ensure maximum life and performance.

Specifications

The GBB-12-R is UL and CSA certified and comes in a standard size to fit most circuit boards. It’s rated for 690 Volts (AC) and 10,000 Amps. The time delay allows it to hold up to 200 milliseconds in normal operation, and up to 500 milliseconds in over-current conditions. The GBB-12-R is also able to withstand up to 3,000 Amps in short-circuit conditions.

Application

The GBB-12-R is a versatile device designed for use in a variety of applications, including medium voltage power systems, low voltage motors, electronic equipment, and solar cell systems. Its fast-acting protection and time delay help reduce potential damage to expensive equipment.

Working Principle

The GBB-12-R operates by using fusible links that melt and disconnect the circuit once excessive current flows through it. It has an internal bi-metallic strip that senses the thermal energy generated from increasing current levels. Once the strip is heated past a certain point, it bends and disconnects the circuit. This process happens quickly and automatically to protect the circuit from further damage.

Advantages

The primary advantage of a time-delay fuse like the GBB-12-R is that it offers protection against short circuits and overloads, while at the same time providing circuit isolation in the event of an overload. The design also allows for faster response times and improved reliability which helps reduce costly system downtime. The GBB-12-R also features a corrosion-resistant housing, which helps extend the life and performance of the device.

Limitations

Despite its benefits, the GBB-12-R is not suitable for all applications. It is important to carefully consider the power requirements of the application and the environment it will be used in before selecting a fuse. Additionally, due to its fast-acting protection, it is not recommended for use in sensitive electronic equipment.

Conclusion

The GBB-12-R is a fast-acting time-delay fuse designed for use in both industrial and residential applications. It offers protection against short circuits and overloads in medium voltage power systems, low voltage motors, electronic equipment, and solar cell systems. It also features a corrosion-resistant housing to ensure maximum life and performance. However, it’s important to consider the power requirements of the application and the environment before selecting this device.

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