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Cylindrical ceramic fuse, 1 1/2 in long, 13/32 in diameter

Bussmann

Bussmann PV-12A10F 12A 1000V DC Cylindrical Fuse

SKU CH-BKY7-3S2TH

A 12 A fast-acting cylindrical fuse rated for 1000 V DC with a 33 kA interrupt rating, compliant with UL 2579 and IEC 60269-6 for photovoltaic circuit protection

  • Fast-acting protection clears faults quickly
  • 12 A rating matches typical PV string currents
  • 1000 V DC rating suits high-voltage solar arrays
  • 33 kA interrupt rating handles large fault currents
  • Certified to UL 2579, IEC 60269-6, CSA, CCC standards

Solar Fuse 12A 1000V DC

The Bussmann PV-12A10F is a cylindrical solar fuse rated at 12 amps and 1000 volts DC. It belongs to the PV-F series and carries a Class gPV designation for photovoltaic circuit protection. The fuse is fast-acting with a single ceramic element and a 33 kA interrupt rating at the rated voltage.

Photovoltaic String Protection

This fuse suits installers protecting PV string conductors or combiner boxes where a 12 A, 1000 V DC rating matches the system design. It is not for buyers who need an indicating fuse for visual fault confirmation or a rejection-style body that prevents incorrect insertion. The non-rejection cylindrical format requires compatible holders.

Sustained Overload Behaviour

Under sustained overcurrent the ceramic body and single element clear the fault quickly thanks to the fast-acting characteristic. The 33 kA interrupt rating at 1000 V DC ensures safe interruption even during high available fault current. Standards compliance includes UL 2579, IEC 60269-6, CSA and CCC for the 1 to 15 A range.

Highlights

  • Fast-acting protection clears faults quickly
  • 12 A rating matches typical PV string currents
  • 1000 V DC rating suits high-voltage solar arrays
  • 33 kA interrupt rating handles large fault currents
  • Certified to UL 2579, IEC 60269-6, CSA, CCC standards

Specifications

BrandEATON BUSSMANN

Questions about this item

Does my fuse holder need to accept a 13/32 inch diameter by 1-1/2 inch long cylindrical body?

Yes, the fuse body measures 13/32 inch in diameter and 1-1/2 inch in length, so the holder must match those dimensions.

Will this 1000 V DC Class gPV fuse coordinate with legacy 1000 V DC fuses in the same combiner box?

It carries a 33 kA interrupt rating at 1000 V DC and meets UL 2579 and IEC 60269-6, providing coordination with other gPV-class fuses at that voltage.

How can I confirm the fuse is intact after installation without an indicator flag?

Because the fuse is non-indicating, use a multimeter to check for continuity across the end caps after the circuit is de-energised.

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