20 A Current Rating
The CCMR-20 corresponds to Littelfuse CCMR020 with a documented current rating of 20 A.
Littelfuse CCMR-20 Class CC Fuse 20A 600VAC 500VDC Time-Delay
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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
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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