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Littelfuse

Littelfuse CCMR-8 Time-Delay Fuse 8A 600VAC 250VDC Class CC

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$6.19

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Littelfuse
Model Number	CCMR-8
Product Category	Time-Delay Fuse
Series	CCMR
Fuse Class	Class CC
Fuse Type	Dual-Element Time-Delay
Current Rating	8 A
AC Voltage Rating	600 VAC
DC Voltage Rating	250 VDC
AC Interrupting Rating	200 kA RMS Symmetrical
DC Interrupting Rating	20 kA
Diameter	10.3 mm
Overall Length	38.1 mm
Approvals	UL Listed, CSA Certified

Key Features

8 A Current Rating

The CCMR-8 provides a documented current rating of 8 A for industrial circuit protection applications.

600 VAC Class CC

The fuse uses the compact Class CC format and is rated for AC circuits up to 600 VAC.

250 VDC Rating

The 8 A CCMR rating supports DC circuit applications up to 250 VDC.

Dual-Element Time-Delay

Dual-element time-delay construction supports applications with temporary starting currents such as motor circuits.

High Interrupting Ratings

The documented interrupting ratings are 200 kA RMS symmetrical on AC circuits and 20 kA on DC circuits.

Compact Cartridge Size

The Class CC cartridge measures approximately 10.3 mm in diameter and 38.1 mm in overall length.

Applications

Motor branch circuit protection
Small motor circuit protection
Industrial control circuits
Motor control panels
Contactor protection
Heating circuit protection
Machine control equipment
Industrial electrical panels

Purchase Information

We support online purchase of the Littelfuse CCMR-8 Time-Delay Fuse. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.

Frequently Asked Questions

What is Littelfuse CCMR-8?
Littelfuse CCMR-8 is a CCMR series Class CC dual-element time-delay fuse with an 8 A current rating.

What is the current rating of CCMR-8?
The current rating is 8 A.

What is the AC voltage rating?
The CCMR-8 is rated for operation up to 600 VAC.

What is the DC voltage rating?
The 8 A CCMR fuse is rated for operation up to 250 VDC.

Is CCMR-8 a time-delay fuse?
Yes. It is a dual-element time-delay fuse from the Littelfuse CCMR series.

What fuse class is CCMR-8?
The CCMR-8 uses the Class CC fuse format.

What is the AC interrupting rating?
The documented AC interrupting rating is 200 kA RMS symmetrical.

What is the DC interrupting rating?
The documented DC interrupting rating is 20 kA.

What are the dimensions of CCMR-8?
The fuse measures approximately 10.3 mm in diameter and 38.1 mm in overall length.

Can CCMR-8 be used in motor circuits?
The CCMR series is designed for motor and motor branch circuit protection where time-delay characteristics are required.

What applications are suitable for the CCMR series?
Typical applications include motor branch circuits, industrial controls, contactors, heating circuits, machine controls and industrial electrical panels.

What should be checked before ordering CCMR-8?
Check the CCMR-8 model designation, 8 A current rating, required 600 VAC or 250 VDC rating, Class CC format, interrupting requirements, dimensions and the specifications of the intended fuseholder.

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