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Cylindrical glass fuse with silver end caps

Fluke

Fluke 203403/11A Multimeter Fuse 11A 1000V Fast-Acting Cylindrical

SKU CH-CNK0-MD3C4

A fast-acting 11 A, 1000 V cylindrical multimeter fuse with a 20 kA interrupt rating and CE, RoHS, UL Recognized compliance

  • Protects DMM circuits up to 1000 V with 11 A fast-acting fuse
  • Interrupts 20 kA fault current at 1000 V AC for high-energy safety
  • Cylindrical 1-1/2 in x 13/32 in body fits Fluke and Bussmann DMM holders
  • Meets CE, RoHS and UL Recognized standards for regulatory compliance
  • Melamine body material provides heat-resistant insulation during overload events

Fluke 11A 1000V Multimeter Fuse

This Fluke replacement fuse is rated at 11 amps and 1000 volts for both AC and DC circuits. It uses a fast-acting, cylindrical melamine body measuring 1-1/2 inches long by 13/32 inches in diameter. The fuse carries a 20kA interrupt rating at 1000V AC and meets CE, RoHS and UL Recognized standards.

For DMM protection, not high-current mains

Technicians replacing a blown fuse in a Fluke or Bussmann DMM series meter will find the correct fit and safety rating here. It is a single-element, non-indicating component designed specifically for multimeter input protection. Buyers needing branch-circuit breakers, panel-mounted devices or visual fault indication should look at different product types.

11A 1000V rating with 20kA interrupt

The decisive specification is the 11 ampere, 1000 volt rating combined with a 20kA interrupting capacity at 1000V AC. This combination ensures the fuse can safely clear high-energy faults inside a digital multimeter. Verify that the meter's service manual calls for this exact amperage, voltage and interrupt rating before installing.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 78% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameFLUKE

Questions about this item

What multimeter series does this 11 A 1000 V fuse fit?

It is listed as equivalent to Fluke DMM and Bussmann DMM series fuses.

Will this fast-acting fuse protect older meters that originally used a slower fuse?

Yes, it replaces the original fuse; the fast-acting element and 20 kA interrupt rating meet or exceed the protection of the slower fuse.

How can I confirm the fuse is intact after installing it?

Measure continuity across the cylindrical body with another meter; a low resistance reading shows the element is good.

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