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Cylindrical melamine fuse, 2-1/4 inches long, 13/16 inch diameter

Bussmann

Bussmann 17-1/2A Time Delay Melamine Fuse LPJ-I Series 600VAC 300VDC

SKU CH-EYH9-5PJW9

A 17-1/2A time-delay Class J fuse with melamine body rated 600VAC and 300VDC

  • Time-delay operation protects circuits from temporary surges
  • Indicating design shows fuse status at a glance
  • 600 V AC and 300 V DC ratings suit mixed-voltage systems
  • 300 kA AC and 100 kA DC interrupt ratings handle large fault currents
  • Melamine body with dual-element construction ensures reliable performance

Bussmann LPJ-I 17-1/2A Time-Delay Fuse

This Bussmann LPJ-I Series fuse provides 17-1/2A overcurrent protection with a 600VAC and 300VDC rating. It features a dual-element, time-delay design housed in a melamine body. An indicating function provides visual confirmation of fuse status. The cylindrical body measures 2-1/4 in length by 13/16 in diameter. It offers a high interrupt rating of 300kA at 600VAC and 100kA at 300VDC.

Check Voltage and Block Compatibility

Verify that your circuit operates within the 600VAC or 300VDC maximum ratings before installation. Confirm the existing fuse block accepts a Class J, non-rejection style fuse with a cylindrical 13/16 in diameter body. Compatible block series include CH30J, JM600, JP600, JT600, and JTN600. Ensure the available interrupting capacity meets the 300kA AC or 100kA DC requirements of your system.

For Industrial Class J Indicating Applications

This fuse suits maintenance teams needing visual indication on Class J circuits up to 600VAC. It fits panels using compatible non-rejection blocks requiring a 2-1/4 in length. Buyers needing a rejection-style block interface or a different amperage rating should look elsewhere. Those requiring a non-indicating standard fuse or a body material other than melamine will need an alternative series.

Highlights

  • Time-delay operation protects circuits from temporary surges
  • Indicating design shows fuse status at a glance
  • 600 V AC and 300 V DC ratings suit mixed-voltage systems
  • 300 kA AC and 100 kA DC interrupt ratings handle large fault currents
  • Melamine body with dual-element construction ensures reliable performance

Specifications

BrandBUSSMANN

Questions about this item

What comes in the box with the Bussmann LPJ-I Series 17-1/2A fuse and is any extra hardware needed?

The package contains the fuse itself. No additional hardware is included; a compatible Class J fuse block such as the CH30J, JM600, JP600, JT600 or JTN600 series must be sourced separately.

Which voltage rating should I select for a circuit that runs at 600 V AC?

Choose the 600 V AC rating marked on this fuse; it is also rated 300 V DC for mixed-voltage panels.

What does the 100 kA interrupt rating at 300 V DC mean when the fuse is installed?

It means the fuse can safely break a short-circuit current of up to 100 kA on a 300 V DC system without rupturing.

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