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ATQR Series / Class CC / Transformer Duty

Take control of fault currents headed for your control transformer.

ATQR small-dimension fuses feature time delay characteristics ideally suited for the high inrush currents of control transformers, solenoids, and similar inductive loads. The newest member of our Amp-trap 2000® family of fuses - ATQR fuses provide superior protection for the branch circuits of electrical distribution systems.

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Brochure
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Features

  • Time delay for control transformer inrush loads without nuisance opening
  • Highly current limiting for low peak let-thru current
  • Rejection-style design prevents replacement errors (when used with recommended fuse blocks)
  • High-visibility orange label ensures instant recognition, and simplifies replacement
  • Metal embossed date and catalog number for traceability and lasting identification
  • Fiberglass body provides dimensional stability in harsh industrial settings
  • High grade silica filler ensures fast arc quenching and high current limitation
Ratings
  • AC: 1/10 - 30A, 600VAC, 200kA I.R.
  • AC: 1/10 - 30A, 300VDC, 100kA I.R.
Approvals
  • UL Listed to Standard 248-4
  • CSA Certified to Standard C22.2 No. 248.4
  • DC Listed to UL Standard 198L
  • Some ratings RoHS Compliant
Applications
  • Control Transformers
  • Solenoids
  • Inductive Loads
  • Lighting, Heating & General-purpose Loads

Ferraz ATQR Series Fuse Selection

AMPERE RATING CATALOG NUMBER   AMPERE RATING 2-1/2CATALOG NUMBER   AMPERE RATING CATALOG NUMBER   AMPERE RATING CATALOG NUMBER
1/10 ATQR1/10   8/10 ATQR8/10   2-8/10 ATQR2-8/10   7-1/2 ATQR7-1/2
1/8 ATQR1/8   1 ATQR1   3 ATQR3   8 ATQR8
3/16 ATQR3/16   1-1/8 ATQR1-1/8   3-2/10 ATQR3-2/10   9 ATQR9
2/10 ATQR2/10   1-1/4 ATQR1-1/4   3-1/2 ATQR3-1/2   10 ATQR10
1/4 ATQR1/4   1-4/10 ATQR1-4/10   4 ATQR4   12 ATQR12
3/10 ATQR3/10   1-1/2 ATQR1-1/2   4-1/2 ATQR4-1/2   15 ATQR15
4/10 ATQR4/10   1-6/10 ATQR1-6/10   5 ATQR5   17-1/2 ATQR17-1/2
1/2 ATQR1/2   1-8/10 ATQR1-8/10   5-6/10 ATQR5-6/10   20 ATQR20
6/10 ATQR6/10   2 ATQR2   6 ATQR6   25 ATQR25
3/4 ATQR3/4   2-1/4 ATQR2-1/4   6-1/4 ATQR6-1/4   30 ATQR30
      2-1/2 ATQR2-1/2   7 ATQR7      
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