12 A Current Rating
The CCMR-12 corresponds to the 12 A rating within the Littelfuse CCMR Class CC fuse series.
Littelfuse CCMR-12 Time-Delay Fuse 12A 600VAC 250VDC Class CC
Available in stock (2000)
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$6.19
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Technical Specifications
| Brand | Littelfuse |
| Model Number | CCMR-12 |
| Product Category | Time-Delay Fuse |
| Series | CCMR |
| Fuse Class | Class CC |
| Fuse Type | Dual-Element Time-Delay |
| Current Rating | 12 A |
| AC Voltage Rating | 600 VAC |
| DC Voltage Rating | 250 VDC |
| AC Interrupting Rating | 200 kA RMS Symmetrical |
| DC Interrupting Rating | 20 kA |
| Catalog Number | CCMR012 |
| Product Marking | CCMR 12A |
| Diameter | 10.3 mm |
| Overall Length | 38.1 mm |
| Applicable Standard | UL 248-4 Class CC |
| Approvals | UL Listed, CSA Certified |
Key Features
600 VAC Class CC Fuse
The CCMR-12 is rated for AC circuits up to 600 VAC and uses the compact Class CC cartridge format.
250 VDC Rating
The CCMR-12 supports DC circuit applications up to its documented 250 VDC rating.
Dual-Element Time-Delay
Dual-element time-delay construction is designed to accommodate temporary starting currents while providing overcurrent protection.
High Interrupting Capacity
The documented interrupting ratings are 200 kA RMS symmetrical for AC circuits and 20 kA for DC circuits.
Compact Cartridge Format
The Class CC cartridge measures approximately 10.3 mm in diameter and 38.1 mm in overall length.
Applications
- Motor branch circuit protection
- Small motor circuit protection
- Contactor protection
- Heating circuit protection
- Industrial control circuits
- Motor control panels
- Machine control equipment
- General industrial circuit protection
Purchase Information
We support online purchase of the Littelfuse CCMR-12 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-12?
Littelfuse CCMR-12 is a CCMR series Class CC dual-element time-delay fuse with a 12 A current rating.
What is the current rating of CCMR-12?
The current rating is 12 A.
What is the AC voltage rating?
The CCMR-12 is rated for operation up to 600 VAC.
What is the DC voltage rating?
The CCMR-12 is rated for operation up to 250 VDC.
Is CCMR-12 a time-delay fuse?
Yes. It is a dual-element time-delay fuse from the Littelfuse CCMR series.
What fuse class is CCMR-12?
CCMR-12 uses the Class CC fuse format and is covered by UL 248-4.
What is the AC interrupting rating?
The documented AC interrupting rating is 200 kA RMS symmetrical.
What is the DC interrupting rating?
The documented DC interrupting rating is 20 kA.
What are the dimensions of CCMR-12?
The fuse measures approximately 10.3 mm in diameter and 38.1 mm in overall length.
What is the catalog number for the 12 A CCMR fuse?
The 12 A CCMR model is identified by catalog number CCMR012 and product marking CCMR 12A.
What applications are suitable for CCMR series fuses?
Typical applications include motor branch circuits, contactors, heating circuits, industrial controls and machine control equipment.
What should be checked before ordering CCMR-12?
Check the CCMR-12 model designation, 12 A current rating, required 600 VAC or 250 VDC circuit rating, Class CC format, interrupting requirements, dimensions and the specifications of the intended fuseholder before purchasing.
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