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Littelfuse

Littelfuse CCMR-2 Class CC Fuse 2A 600VAC 300VDC Time-Delay

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Littelfuse
Model Number	CCMR-2
Product Category	Class CC Fuse
Series	CCMR
Fuse Type	Dual-Element Time-Delay Fuse
Current Rating	2 A
AC Voltage Rating	600 VAC
DC Voltage Rating	300 VDC
Fuse Class	Class CC
AC Interrupting Rating	200 kA RMS Symmetrical
AC Self-Certified Interrupting Rating	300 kA
DC Interrupting Rating	20 kA
Dimensions	10.3 × 38.1 mm
Applicable Standard	UL 248-4 Class CC
UL Listing	UL Listed, File E81895
CSA Certification	CSA Certified, File LR29862
Environmental Compliance	RoHS Compliant

Key Features

2 A Current Rating

The CCMR-2 has a documented current rating of 2 A within the Littelfuse CCMR Class CC fuse series.

600 VAC and 300 VDC

The 2 A CCMR configuration is rated for circuits up to 600 VAC and 300 VDC.

Dual-Element Time-Delay

The CCMR series combines dual-element construction with time-delay characteristics for motor and industrial circuit protection.

Class CC Format

The CCMR-2 uses the compact Class CC format with dimensions of approximately 10.3 × 38.1 mm.

Current-Limiting Construction

The CCMR series provides current-limiting protection for circuits requiring Class CC fuse characteristics.

High Interrupting Ratings

The documented ratings include 200 kA RMS symmetrical AC interrupting capacity and 20 kA DC interrupting capacity.

Applications

Motor protection
Motor branch circuits
Contactor protection
Heating circuits
Industrial control circuits
Class CC branch circuits

Purchase Information

We support online purchase of the Littelfuse CCMR-2 Class CC 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-2?
Littelfuse CCMR-2 is a 2 A dual-element time-delay Class CC fuse from the CCMR series.

What is the current rating of CCMR-2?
The documented current rating is 2 A.

What is the AC voltage rating of CCMR-2?
The documented AC voltage rating is 600 VAC.

What is the DC voltage rating of CCMR-2?
The documented DC voltage rating is 300 VDC.

Is CCMR-2 a time-delay fuse?
Yes. The CCMR series uses dual-element time-delay construction.

What fuse class is CCMR-2?
The CCMR-2 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, with a 300 kA self-certified rating.

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

What are the dimensions of CCMR-2?
The CCMR Class CC fuse format measures approximately 10.3 mm in diameter and 38.1 mm in length.

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

Is CCMR-2 suitable for Class CC fuse circuits?
CCMR-2 is a Class CC fuse; verify the required current rating, voltage rating and equipment protection requirements for the specific circuit before selection.

What should be checked before ordering CCMR-2?
Check the CCMR-2 model requirement, 2 A current rating, required 600 VAC or 300 VDC rating, Class CC format, 10.3 × 38.1 mm dimensions and circuit protection requirements before purchasing.

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