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Littelfuse

Littelfuse CCMR-7 Time-Delay Fuse 7A 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-7
Product Category	Time-Delay Fuse
Series	CCMR
Fuse Class	Class CC
Fuse Type	Dual-Element Time-Delay
Current Rating	7 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	CCMR007
Product Marking	CCMR 7A
Diameter	10.3 mm
Overall Length	38.1 mm
Applicable Standard	UL 248-4 Class CC
Approvals	UL Listed, CSA Certified
Environmental	RoHS Compliant
Country of Origin	Mexico

Key Features

7 A Current Rating

The CCMR-7 corresponds to Littelfuse catalog number CCMR007 with a documented current rating of 7 A.

600 VAC Class CC Fuse

The CCMR-7 is a Class CC fuse rated for operation up to 600 VAC.

300 VDC Rating

Littelfuse specifies a 300 VDC rating for the CCMR 2/10 A through 10 A range, including the 7 A rating.

Dual-Element Time-Delay

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

High Interrupting Capacity

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

Compact Class CC Format

The CCMR-7 uses a cylindrical Class CC 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
Contactor protection
Heating circuit protection
Industrial control circuits
Motor control panels
Machine control equipment
General industrial circuit protection

Purchase Information

We support online purchase of the Littelfuse CCMR-7 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-7?
Littelfuse CCMR-7 is a CCMR series Class CC dual-element time-delay fuse with a 7 A current rating.

What is the current rating of CCMR-7?
The documented current rating is 7 A.

What is the AC voltage rating?
The CCMR-7 is rated for operation up to 600 VAC.

What is the DC voltage rating?
Littelfuse specifies 300 VDC for the CCMR 2/10 A through 10 A range, which includes CCMR-7.

Is CCMR-7 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-7?
The CCMR-7 is a Class CC fuse covered by UL 248-4.

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-7?
The fuse measures approximately 10.3 mm in diameter and 38.1 mm in overall length.

What is the Littelfuse catalog number for CCMR-7?
Littelfuse identifies the 7 A version with catalog number CCMR007 and product marking CCMR 7A.

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

What should be checked before ordering CCMR-7?
Check the complete CCMR-7 model designation, 7 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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