KTK-1-1/2

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KTK-1-1/2 fuses are specially designed electrical components typically used to protect circuits and wiring against the dangers of high current. These fuses are used in many industries, including construction, aerospace, and military, for a variety of applications that require the protection of expensive and complicated wiring and equipment.The KTK-1-1/2 fuse is a 1.45” diameter, nickel-plated, sheet-steel lamination surrounded by an outer tubular shell. It has 5 lugs for reliable and durable current-carrying capability. The fuse is UL listed, CSA certified, and meets applicable CE requirements. The datasheet specifies that the fuse is temperature rated to 125°C (257°F).The electrical contact ratings for the KTK-1-1/2 are UL-listed at 250VAC/100A, and the IEC-rated current carrying values are 250VAC/60A. The interrupting rating is 100 Amps at 125VAC and 10KA at 250VAC. It has a voltage rating of 300VAC and is rated for 1Ø systems. The fuse is rated for a maximum current of 100 Amps and a voltage rating of 250VAC. It is designed for use up to 140% of rated current for 1 minute and up to 160% of rated current for 1/2 minute.The working principle of the KTK-1-1/2 fuse is simple. When a fault occurs in the electrical system, the current flowing through the circuit increases beyond a safe level. The heat created from this excessive current melts a metal element inside the fuse, driving an interrupting mechanism. This break in the current flow protects the circuit and its components from damage.Additionally, the KTK-1-1/2 has a time–delay feature that adds an extra level of protection. This means that when the current demand is low but still above the rated value, the fuse has a period of delay before operating, allowing for the current to stabilize at the rated value.The KTK-1-1/2 fuse is designed to replace industry-standard T-type fuses due to its robust design and UL-listed design. Its versatile, space-saving footprint also makes it a great choice for applications where space is a premium. It is particularly ideal for panel-board applications.The KTK-1-1/2 is also well-suited for high-kA installations requiring very high currents. It is well-suited for branch-circuit protection applications that require the highest level of safety. Its low contact resistance reduces voltage drop and ensures reliable electrical performance.In summary, the KTK-1-1/2 fuse is a reliable, safe, and cost-effective electrical component designed to protect circuits and wiring from the risks of high current. Its UL-listed design ensures that it meets all relevant safety standards as well as providing robust performance and efficient protection.

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