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Littelfuse

Littelfuse CCMR-3-1/2 Time-Delay Fuse 3.5A 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-3-1/2
Product Category	Time-Delay Fuse
Series	CCMR
Fuse Class	Class CC
Fuse Type	Dual-Element Time-Delay
Current Rating	3-1/2 A (3.5 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
Approvals	UL Listed, CSA Certified

Key Features

3.5 A Current Rating

The CCMR-3-1/2 has a current rating of 3-1/2 ampere, equivalent to 3.5 A.

600 VAC Class CC Fuse

The CCMR-3-1/2 is part of the CCMR Class CC fuse series and is rated for circuits up to 600 VAC.

300 VDC Rating

The 3.5 A rating falls within the CCMR range specified for operation up to 300 VDC.

Dual-Element Time-Delay

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

High Interrupting Capacity

The CCMR series has a 200 kA RMS symmetrical AC interrupting rating and a 20 kA DC interrupting rating.

Compact Class CC Format

The CCMR 0 to 30 A dimensional format 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 circuits
Industrial electrical panels
General industrial circuit protection

Purchase Information

We support online purchase of the Littelfuse CCMR-3-1/2 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-3-1/2?
Littelfuse CCMR-3-1/2 is a CCMR series Class CC dual-element time-delay fuse rated at 3.5 A.

What is the current rating of CCMR-3-1/2?
The current rating is 3-1/2 A, equivalent to 3.5 A.

What is the AC voltage rating?
The CCMR-3-1/2 is rated for operation up to 600 VAC.

What is the DC voltage rating?
The 3.5 A CCMR rating falls within the range specified for operation up to 300 VDC.

Is CCMR-3-1/2 a time-delay fuse?
Yes. The CCMR series uses dual-element time-delay construction intended for motor and motor branch circuit protection.

What fuse class is CCMR-3-1/2?
The CCMR-3-1/2 is a Class CC fuse.

What is the AC interrupting rating?
The CCMR series has a documented AC interrupting rating of 200 kA RMS symmetrical.

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

What are the dimensions of CCMR-3-1/2?
The CCMR 0 to 30 A dimensional format measures approximately 10.3 mm in diameter and 38.1 mm in overall length.

What applications is the CCMR series intended for?
The CCMR series is intended for motor and motor branch circuit protection and is also used in industrial control and branch circuit applications.

What approvals apply to the CCMR series?
The applicable CCMR Class CC range is UL Listed and CSA Certified.

What should be checked before ordering CCMR-3-1/2?
Check the complete CCMR-3-1/2 model designation, 3.5 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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