0675.300DRT4P

Package / Case:	Cartridge, Non-Standard (Axial)
DC Cold Resistance:	1.171 Ohms
Size / Dimension:	0.154" Dia x 0.433" L (3.90mm x 11.00mm)
Color:	--
Operating Temperature:	--
Approvals:	CSA, UL
Melting I²t:	0.0322
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Through Hole
Series:	675
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	300mA
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

A 0675.300DRT4P is a type of fuse, which is designed to protect electrical systems from overloads. This type of fuse is typically used in applications where high current capacity is needed, such as in industrial systems, automotive, and marine applications. The 0675.300DRT4P is a fast-acting, medium voltage, time-delay style fuse. The fuse features a non-resettable thermal element that triggers the fuse to open after it has been subjected to a sustained period of current overload.

Application Field

The 0675.300DRT4P fuse can be used in a variety of applications, but is most commonly found in medium voltage systems and in automotive, industrial, and marine applications. The fuse is a great choice for applications where it is necessary to protect the system from large current loads. It is especially suited for applications where the overload current limits may not be known.In an automotive application, the 0675.300DRT4P can be used to protect the entire electrical system in the car from overloads on the main power supply line. The fuse is especially effective in protecting the starter motor, alternator, and any other electrical components that may draw large amounts of current when starting or running. The fuse is also helpful in protecting the starter motor and other critical components from short circuits that occur due to exposed wiring or a faulty connection.The 0675.300DRT4P is also suitable for use in industrial applications, such as manufacturing plants and hazardous locations where a reliable form of short circuit protection is essential. The fuse is also great for marine applications, where the motion of the boat and the water can expose the electrical components to large amounts of current. The fuse helps to protect the system from overloads and electrical surges from the water.

Working Principle

The 0675.300DRT4P fuse works on a simple principle. When the current in the circuit exceeds the rated current, the thermal element of the fuse is triggered, and the fuse opens, breaking the circuit and protecting the system from overload. The time-delay feature of the fuse ensures that the fuse doesn’t open too quickly, allowing the system to handle transient spikes in current.The fuse is designed with a non-resettable thermal element. This means that once the fuse has opened, it cannot be reset and will need to be replaced. This helps to prevent the circuit from becoming overloaded and to ensure that the electrical system is safeguarded against any further damage.The fuse is designed to be used in medium voltage systems, ranging from 250V to 600V. Its temperature rating is 105°C (221°F), and its current rating is 30A. The fuse has a typical operating time of 1 - 2 seconds, and it is UL listed and CSA certified.

Conclusion

The 0675.300DRT4P fuse is a fast-acting, medium voltage, time-delay fuse. It is ideal for applications where high current capacity is needed and it is necessary to protect the system from large current loads. The fuse is suitable for use in automotive, industrial, and marine applications, and has a current rating of 30A and a temperature rating of 105°C (221°F). The non-resettable thermal element of the fuse ensures that the circuit is protected from overloads and short circuits.

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