3JS 1-R TR

Package / Case:	2AG, 5mm x 15mm (Axial)
DC Cold Resistance:	0.19 Ohms
Size / Dimension:	0.217" Dia x 0.591" L (5.50mm x 15.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cURus, PSE
Melting I²t:	5.93
Breaking Capacity @ Rated Voltage:	100A AC, 150A DC
Mounting Type:	Through Hole
Series:	3JS
Response Time:	Slow
Voltage Rating - DC:	140V
Voltage Rating - AC:	350V
Current Rating:	1A
Fuse Type:	Cartridge, Glass
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to 3JS 1-R TR Fuses

3JS 1-R TR fuses are a network protection device used in critical applications. The device is composed of two parts: an electronics fuse and a mechanical actuator. It is designed to detect fault currents and provide overcurrent protection when the current deviation exceeds the set trip value.

Application Field

3JS 1-R TR fuses are commonly used in electric power transmission systems, power distribution systems, and electronic circuits. The device is used to protect the system from over-currents, short circuits, and circuit malfunctions. The device can also be used as a safety interlock to prevent loss of power during power disturbances and in the event of a power surge.

Working Principle

The 3JS 1-R TR fuse works by measuring the current flowing in a circuit. When a current deviation exceeds the set trip value, an internal switch in the fuse trips, shutting off the current to the circuit. The trip point of the device can be set to different levels.The device has a wide range of applications, from detecting small-scale overcurrents to large-scale short circuits. When a fault current occurs, the device trips quickly, reducing the risk of power outages and serious damage to the system. The device is also designed to fail safely, ensuring that power is not lost when a device trips.

Advantages

The 3JS 1-R TR fuse offers a number of advantages, including:

• Fast and accurate trip action
• Low cost
• Robust construction
• Easy to install and maintain
• No need for external relay control
• High accuracy and repeatability

The fuse can also be used in a wide range of circuits and applications. The device is able to detect different types of over-currents and short circuits, making it suitable for many different applications.

Conclusion

3JS 1-R TR fuses are an essential piece of safety equipment, providing overcurrent and short-circuit protection for critical circuits and applications. The device is easy to install and maintain, and provides reliable and accurate protection at an affordable cost. The device is also designed to fail safely, ensuring that power is not lost when a device trips.

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