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Littelfuse

Littelfuse CCMR-4 Time-Delay Fuse 4A 600VAC 300VDC 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-4
Product Category	Time-Delay Fuse
Series	CCMR
Fuse Class	Class CC
Fuse Type	Dual-Element Time-Delay
Current Rating	4 A
AC Voltage Rating	600 VAC
DC Voltage Rating	300 VDC
AC Interrupting Rating	200 kA RMS Symmetrical
DC Interrupting Rating	20 kA
Diameter	10.3 mm
Overall Length	38.1 mm
Catalog Number	CCMR004
Product Marking	CCMR 4A
Approvals	UL Listed, CSA Certified

Key Features

4 A Current Rating

The CCMR-4 corresponds to the documented 4 A CCMR rating with catalog number CCMR004.

600 VAC Class CC Fuse

The CCMR-4 is a Class CC fuse rated for operation up to 600 VAC.

300 VDC Rating

The 4 A CCMR rating is specified for operation up to 300 VDC.

Dual-Element Time-Delay

The CCMR series uses dual-element time-delay construction designed to withstand sustained starting currents associated with small motors.

High Interrupting Capacity

The documented interrupting ratings are 200 kA RMS symmetrical at the AC rating and 20 kA at the DC rating.

Compact Class CC Format

The CCMR-4 uses a cartridge format measuring 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
Machine control equipment
Industrial electrical panels
Automation equipment circuits
Branch circuit overcurrent protection

Purchase Information

We support online purchase of the Littelfuse CCMR-4 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-4?
Littelfuse CCMR-4 is a CCMR series Class CC dual-element time-delay fuse with a 4 A current rating.

What is the current rating of CCMR-4?
The documented current rating is 4 A.

What is the AC voltage rating?
The CCMR-4 is rated for operation up to 600 VAC.

What is the DC voltage rating?
The 4 A CCMR rating is specified for operation up to 300 VDC.

Is CCMR-4 a time-delay fuse?
Yes. The CCMR series uses dual-element time-delay construction and is designed for motor and motor branch circuit protection.

What fuse class is CCMR-4?
The CCMR-4 is a Class CC fuse.

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-4?
The documented dimensions are approximately 10.3 mm in diameter and 38.1 mm in overall length.

What is the Littelfuse catalog number for CCMR-4?
Littelfuse identifies the 4 A rating with catalog number CCMR004 and product marking CCMR 4A.

What applications is the CCMR series designed for?
The CCMR series is designed for motor and motor branch circuit protection, including circuits subject to sustained motor starting currents.

What should be checked before ordering CCMR-4?
Check the complete CCMR-4 model designation, 4 A current rating, required 600 VAC or 300 VDC circuit rating, Class CC requirements, interrupting rating, dimensions and fuseholder specifications before purchasing.

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