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Littelfuse

Littelfuse CCMR-1 Class CC Fuse 1A 600VAC 300VDC Time-Delay

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$6.19

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Littelfuse
Model Number	CCMR-1
Product Category	Class CC Fuse
Series	CCMR
Fuse Type	Dual-Element Time-Delay Fuse
Current Rating	1 A
AC Voltage Rating	600 VAC
DC Voltage Rating	300 VDC
UL Class	Class CC
AC Interrupting Rating	200 kA RMS Symmetrical
Self-Certified AC Interrupting Rating	300 kA
DC Interrupting Rating	20 kA
Dimensions	10.3 × 38.1 mm
UL Standard	UL 248-4
UL Listing	UL Listed, File E81895
CSA Certification	CSA Certified, File LR29862
Environmental Compliance	RoHS Compliant

Key Features

1 A Current Rating

The CCMR-1 has a documented current rating of 1 A within the Littelfuse CCMR fuse series.

600 VAC and 300 VDC

The 1 A CCMR fuse is rated for 600 VAC and 300 VDC applications.

Dual-Element Time-Delay

The CCMR series uses dual-element time-delay characteristics designed to withstand sustained motor starting currents.

Class CC Format

The CCMR-1 falls within the UL Class CC range and is covered by UL 248-4.

Current-Limiting Design

The CCMR series provides current-limiting protection for motor and motor branch circuits.

10.3 × 38.1 mm Size

The 1 A CCMR fuse uses the compact 10.3 × 38.1 mm Class CC fuse format.

Applications

Motor circuit protection
Motor branch circuit protection
Industrial control panels
Small motor circuits
Electrical equipment protection
600 VAC Class CC fuse circuits

Purchase Information

We support online purchase of the Littelfuse CCMR-1 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-1?
Littelfuse CCMR-1 is a 1 A dual-element time-delay fuse from the CCMR series for Class CC applications.

What is the current rating of CCMR-1?
The documented current rating is 1 A.

What is the AC voltage rating of CCMR-1?
The documented AC voltage rating is 600 VAC.

What is the DC voltage rating of CCMR-1?
The documented DC voltage rating for this CCMR current range is 300 VDC.

What fuse class is CCMR-1?
The CCMR-1 is within the UL Class CC range covered by UL 248-4.

Is CCMR-1 a time-delay fuse?
Yes. Littelfuse identifies the CCMR series as dual-element time-delay fuses.

What is the AC interrupting rating?
The documented AC interrupting rating is 200 kA RMS symmetrical, with a 300 kA self-certified rating from Littelfuse.

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

What are the dimensions of CCMR-1?
The 0–30 A CCMR fuse format measures approximately 10.3 mm in diameter and 38.1 mm in length.

What applications are specified for the CCMR series?
Littelfuse specifies the CCMR series for motor and motor branch circuit protection, including circuits with sustained motor starting currents.

Which fuse holders are specified for this current range?
Littelfuse lists L60030C series fuse blocks, LPSC and LFPSC dead-front fuse holders, and 571 and 572 series panel-mount fuse holders for the 0.2–30 A CCMR range.

What should be checked before ordering CCMR-1?
Check the CCMR-1 model marking, 1 A current rating, required 600 VAC or 300 VDC rating, Class CC requirements, physical dimensions and circuit protection requirements before purchasing.

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