• FRS-R Time Delay Fuse - icon
  • FRS-R Time Delay Fuse - icon
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Cooper Bussmann FRS-R Time Delay Fuses

Dual-element, Time Delay Fuses Range from 10 to 400 Amps

CB-FRS-R-3
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What's special about these fuses?

  • Provides motor overload, ground fault and short-circuit protection so that your devices are protected from potentially irreparable damage.
  • Sturdy units will hold an overload up to five times greater than its ampere rating for a minimum of ten seconds giving you peace of mind and security.
  • Protect your costly and valuable motors against burnout from single phasing on three phase systems.
  • Click for More Features

The FRS-R fuses from Cooper Bussmann have a full range of amperages that allow you to select the load you need for maximum over current protection.

Part # IMG Amps Dimensions Weight Price
CB-FRS-R-3 FRS-R Time Delay Fuse 3 5"L x 0.80" W 0.15 lb
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CB-FRS-R-10 FRS-R Time Delay Fuse 10 5"L× 0.81"W 0.15 lb
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CB-FRS-R-15 FRS-R Time Delay Fuse 15 5"L × 0.81"W 0.15 lb
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CB-FRS-R-20 FRS-R Time Delay Fuse 20 5"L × 0.81"W  0.15 lb
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CB-FRS-R-30 FRS-R Time Delay Fuse 30 5"L × 0.81"W 0.15 lb
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CB-FRS-R-70 FRS-R Time Delay Fuse 70 7.88"L × 1.34"W 0.41 lb
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CB-FRS-R-100 FRS-R Time Delay Fuse 100 7.88"L × 1.34"W 0.41 lb
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CB-FRS-R-125 FRS-R Time Delay Fuse 125 9.63"L × 1.84"W 1.05 lbs
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CB-FRS-R-150 FRS-R Time Delay Fuse 150 9.63"L × 1.84"W 1.05 lbs
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CB-FRS-R-175 FRS-R Time Delay Fuse 175 9.63"L × 1.84"W 1.05 lbs
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CB-FRS-R-200 FRS-R Time Delay Fuse 200 9.63"L × 1.84"W 1.05 lbs
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CB-FRS-R-250 FRS-R Time Delay Fuse 250 11.63"L × 2.59"W 2.35 lbs
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CB-FRS-R-300 FRS-R Time Delay Fuse 300 11.63"L × 2.59"W 2.35 lbs
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CB-FRS-R-400 FRS-R Time Delay Fuse 400 11.63"L × 2.59"W 2.35 lbs
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The versatility of these fuses make them ideal for use in circuits that are subject to surge currents such as those caused by motors, transformers and other inductive components.

  • Compact size provides an overall cost savings because you can use smaller and less expensive switches, panels and fuses.
  • An excellent and easy to use tool avoids blackouts caused by circuit overload.
  • The overload element of the fuse provides protection against low level currents.
  • Time delay feature allows you to use lesser fuse ampere ratings that cost less than non-time-delay fuses for an overall labor savings.

    • Ratings:

  • UL Listed, Std. 248-12, Class RK5, Guide JDDZ, File E4273 (PDF) PDF
  • CSA Certified, C22.2 No. 248.12, Class 1422-02, File 53787 (PDF) PDF

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  • FRS-R Datasheet (PDF) PDF
  • Curve Sheet (PDF) PDF

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    Item Dimensions
    L x W    		 Max AC
    Voltage    		 Max DC
    Voltage    		 Amperage
    Rating    		 AC
    Interrupting
    Ratings    		 DC
    Interrupting
    Ratings    		 Time
    Delay
    CB-FRS-R-10 5"× 0.81" 600 300 10 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-15 5" × 0.81" 600 300 15 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-20 5" × 0.81"  600 300 20 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-30 5" × 0.81" 600 300 30 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-70 7.88" × 1.34" 600 300 70 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-100 7.88" × 1.34" 600 300 100 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-125 9.63" × 1.84" 600 300 125 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-150 9.63" × 1.84" 600 300 150 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-175 9.63" × 1.84" 600 300 175 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-200 9.63" × 1.84" 600 300 200 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-250 11.63" × 2.59" 600 300 250 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-300 11.63" × 2.59" 600 300 300 200000 at 600V 20000 at 300V Yes
    CB-FRS-R-400 11.63" × 2.59" 600 300 400 200000 at 600V 20000 at 300V Yes
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