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Red cylindrical fuse 10x38 mm marked 3.5A 600V

Littelfuse

Littelfuse CCMR-3-1/2 3.5A 600V Time Delay Fuse 10x38

SKU CH-72NM-JEQ9E

A 3.5 A, 600 V time-delay fuse in 10×38 mm format for circuit protection

  • TypeTest Equipment
  • Color/FinishRed
  • Item Count1 pack
  • Selling UnitBox
  • Parts3 Years
  • Labor1 Year
  • 5 A rating protects 600 V circuits
  • 10 × 38 mm form factor fits standard fuse holders
  • Time-delay action tolerates motor inrush currents
  • Littelfuse quality ensures reliable over-current protection
  • Single fuse per box simplifies replacement stocking

Application and Rating

This Littelfuse CCMR fuse is a 3.5 amp, 600 volt time-delay device built for branch-circuit protection in industrial and commercial electrical systems. It serves electricians and maintenance teams who need reliable overcurrent protection for motor starters, transformers and control circuits. Buyers needing a different amperage or a fast-acting characteristic should select another part number.

Thermal and Power Behaviour

The time-delay element tolerates temporary inrush currents from motor starts or transformer energisation without nuisance opening, while still interrupting sustained overloads and short circuits at the rated 600 volts. Normal operation produces no audible noise and the fuse body remains at safe temperatures when installed in a correctly rated holder. Continuous loads near the 3.5 amp rating will warm the element as designed.

Physical Format and Installation

The red cylindrical body measures 10 by 38 millimetres to fit standard CC-class fuse blocks and DIN-rail holders, allowing tool-less replacement in panels and machinery. A single fuse is supplied per box, so spares must be ordered separately for critical circuits. The three-year parts coverage and one-year labor term reflect the manufacturer's confidence in the construction quality.

Highlights

  • 5 A rating protects 600 V circuits
  • 10 × 38 mm form factor fits standard fuse holders
  • Time-delay action tolerates motor inrush currents
  • Littelfuse quality ensures reliable over-current protection
  • Single fuse per box simplifies replacement stocking

Specifications

BrandLittelfuse
ModelLittelfuse CCMR-3-1/2
TypeTest Equipment
Color/FinishRed
Item Count1 pack
Selling UnitBox
Parts3 Years
Labor1 Year

Questions about this item

How do I install the 10x38 mm time-delay fuse in a holder?

Align the 10x38 mm body with the clips, press firmly until both metal caps seat fully, and verify the 3.5 A 600 V rating matches the circuit before energising.

What replacement interval or spare-part planning does the 3.5 A fuse require?

The fuse is a single-use protective device; it must be replaced after any over-current event that causes it to open, and no scheduled maintenance interval applies.

What is the first limitation reached during sustained operation at rated current?

Continuous operation at 3.5 A will eventually reach the fuse’s time-delay melting characteristic, causing it to open and interrupt the circuit.

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