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Littelfuse

Littelfuse CCMR-20 Class CC Fuse 20A 600VAC 500VDC Time-Delay

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$37.14 10 pcs / pack

Avg. unit price ≈ $3.71 / pc

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Littelfuse
Model Number	CCMR-20
Product Category	Class CC Fuse
Series	CCMR
Catalog Number	CCMR020
Fuse Type	Time-Delay
Fuse Class	Class CC
Current Rating	20 A
AC Voltage Rating	600 VAC
DC Voltage Rating	500 VDC
AC Interrupting Rating	200 kA
DC Interrupting Rating	20 kA
Fuse Size	10.3 × 38.1 mm
Fuse Family	POWR-PRO
UL Classification	UL Class CC
CSA	CSA Certified
Environmental Compliance	RoHS Compliant

Key Features

20 A Current Rating

The CCMR-20 corresponds to Littelfuse CCMR020 with a documented current rating of 20 A.

600 VAC and 500 VDC

The 20 A CCMR fuse is rated at 600 VAC and 500 VDC.

Time-Delay Operation

The CCMR series uses a time-delay characteristic designed to accommodate motor starting currents while providing circuit protection.

Class CC Configuration

The CCMR020 is a UL Class CC fuse in a compact 10.3 × 38.1 mm cartridge format.

Current-Limiting Design

The CCMR series is current-limiting and is specified for motor and motor branch circuit protection applications.

Interrupting Capacity

The documented interrupting ratings are 200 kA for AC applications and 20 kA for DC applications.

Applications

Motor branch circuit protection
Small motor protection
Industrial control panels
Motor control circuits
Industrial machinery circuits
Current-limiting circuit protection

Purchase Information

We support online purchase of the Littelfuse CCMR-20 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-20?
Littelfuse CCMR-20 corresponds to the CCMR020 Class CC time-delay fuse with a documented current rating of 20 A.

What is the current rating of CCMR-20?
The documented current rating is 20 A.

What is the AC voltage rating of CCMR-20?
The documented AC voltage rating is 600 VAC.

What is the DC voltage rating of CCMR-20?
The documented DC voltage rating for this CCMR rating is 500 VDC.

Is CCMR-20 a time-delay fuse?
Yes. Littelfuse classifies the CCMR series as time-delay fuses.

What fuse class is CCMR-20?
CCMR020 is classified as a UL Class CC fuse.

What is the AC interrupting rating?
The documented AC interrupting rating is 200 kA.

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

What are the dimensions of CCMR-20?
The CCMR 0-30 A format has an overall length of 38.1 mm and a maximum body diameter of approximately 10.3 mm.

What applications are specified for CCMR fuses?
Littelfuse identifies motor and motor branch circuit protection among the primary applications for the CCMR series.

What should be checked when selecting a fuse holder?
Verify that the fuse holder or fuse block supports Class CC fuses and meets the required current, voltage and circuit protection specifications.

What should be checked before ordering CCMR-20?
Check the CCMR-20 model reference or CCMR020 catalog number, 20 A current rating, 600 VAC or 500 VDC requirement, Class CC configuration, time-delay characteristic and circuit protection requirements before purchasing.

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