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Littelfuse

Littelfuse CCMR-3 Time-Delay Fuse 3A 600VAC 300VDC Class CC

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Littelfuse
Model Number	CCMR-3
Product Category	Time-Delay Fuse
Series	CCMR
Fuse Class	Class CC
Fuse Type	Dual-Element Time-Delay
Current Rating	3 A
AC Voltage Rating	600 VAC
DC Voltage Rating	300 VDC
AC Interrupting Rating	200 kA RMS Symmetrical
DC Interrupting Rating	20 kA
Catalog Number	CCMR003
Product Marking	CCMR 3A
Approvals	UL Listed, CSA Certified
Compliance	RoHS Compliant

Key Features

3 A Current Rating

The CCMR-3 corresponds to the documented CCMR 3 A rating, catalog number CCMR003.

600 VAC Class CC Fuse

The 3 A CCMR fuse is within the Class CC range and is rated for AC circuits up to 600 VAC.

300 VDC Rating

The 3 A rating is within the CCMR range specified for operation up to 300 VDC.

Dual-Element Time-Delay

The CCMR series uses dual-element time-delay construction designed for motor and motor branch circuit protection.

200 kA AC Interrupting Rating

The documented AC interrupting rating is 200 kA RMS symmetrical, with a 20 kA DC interrupting rating.

UL and CSA Approvals

The applicable CCMR Class CC range is UL Listed and CSA Certified, with RoHS compliance documented for the 2.5 A through 30 A range.

Applications

Motor branch circuit protection
Small motor circuit protection
Industrial control circuits
Motor control panels
Contactor protection
Heating circuits
Industrial electrical panels
General industrial circuit protection

Purchase Information

We support online purchase of the Littelfuse CCMR-3 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-3?
Littelfuse CCMR-3 is a CCMR series Class CC dual-element time-delay fuse with a 3 A current rating.

What is the current rating of CCMR-3?
The documented current rating is 3 A.

What is the AC voltage rating?
The CCMR-3 is rated for operation up to 600 VAC.

What is the DC voltage rating?
The 3 A CCMR rating is specified for operation up to 300 VDC.

Is CCMR-3 a time-delay fuse?
Yes. The CCMR series uses dual-element time-delay construction for motor and motor branch circuit protection.

What fuse class is CCMR-3?
The 3 A CCMR rating is a UL 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 is the Littelfuse catalog number for the 3 A CCMR fuse?
Littelfuse lists CCMR003 as the catalog number and CCMR 3A as the product marking.

What applications is the CCMR series intended for?
The CCMR series is specified for motor and motor branch circuit protection and is also documented for contactor, heating and general industrial protection.

What approvals apply to the CCMR-3 rating?
The applicable CCMR Class CC range is UL Listed and CSA Certified, and the 3 A rating is within the RoHS-compliant 2.5 A through 30 A range.

What should be checked before ordering CCMR-3?
Check the complete CCMR-3 model designation, 3 A current rating, required 600 VAC or 300 VDC circuit rating, Class CC requirements, interrupting rating and fuseholder specifications before purchasing.

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