0.5 A Current Rating
The KLDR1/2 corresponds to the 1/2 A rating in the Littelfuse KLDR Class CC fuse series.
Littelfuse KLDR1/2 Class CC Fuse 0.5A 600VAC 300VDC Time-Delay
Available in stock (1000)
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Technical Specifications
| Brand | Littelfuse |
| Model Number | KLDR1/2 |
| Product Category | Class CC Fuse |
| Series | KLDR |
| Fuse Type | Time-Delay Fuse |
| Current Rating | 0.5 A |
| AC Voltage Rating | 600 VAC |
| DC Voltage Rating | 300 VDC |
| Fuse Class | Class CC |
| AC Interrupting Rating | 200,000 A RMS Symmetrical |
| DC Interrupting Rating | 20,000 A |
| Dimensions | 10.3 × 38.1 mm |
| Body Material | Melamine |
| Cap Material | Nickel-Plated Bronze |
| Manufacturer Catalog Number | KLDR.500 |
| Product Marking | KLDR 1/2A |
| UL Listing | UL Listed, File E81895 |
| CSA Certification | CSA Certified, File LR29862 |
| Environmental Compliance | RoHS Compliant |
Key Features
600 VAC and 300 VDC
The KLDR series is rated for circuits up to 600 VAC and 300 VDC.
Time-Delay Characteristics
The KLDR series uses time-delay characteristics for inductive components with high magnetizing currents during energization.
Class CC Construction
The fuse uses the compact Class CC format with dimensions of approximately 10.3 × 38.1 mm.
High Interrupting Ratings
The documented interrupting ratings are 200,000 A RMS symmetrical on AC circuits and 20,000 A on DC circuits.
Inductive Circuit Protection
The KLDR series is specified for protection of control transformers, solenoids and similar inductive components.
Applications
- Control transformer protection
- Solenoid circuit protection
- Inductive component protection
- Industrial control circuits
- Motor control circuits
- Class CC branch circuits
Purchase Information
We support online purchase of the Littelfuse KLDR1/2 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 KLDR1/2?
Littelfuse KLDR1/2 is the 1/2 A time-delay Class CC fuse configuration in the KLDR series.
What is the current rating of KLDR1/2?
The documented current rating is 1/2 A, equivalent to 0.5 A.
What is the manufacturer catalog number for this rating?
Littelfuse lists the 1/2 A KLDR configuration under catalog number KLDR.500 with product marking KLDR 1/2A.
What is the AC voltage rating?
The documented AC voltage rating for the KLDR series is 600 VAC.
What is the DC voltage rating?
The documented DC voltage rating for the KLDR series is 300 VDC.
Is KLDR1/2 a time-delay fuse?
Yes. The KLDR series is specified as a time-delay Class CC fuse series.
What is the AC interrupting rating?
The documented AC interrupting rating is 200,000 A RMS symmetrical.
What is the DC interrupting rating?
The documented DC interrupting rating is 20,000 A.
What are the dimensions?
The KLDR 0-30 A fuse format measures approximately 10.3 mm in diameter and 38.1 mm in length.
What applications are specified for the KLDR series?
Littelfuse specifies the KLDR series for control transformers, solenoids and similar inductive components with high magnetizing currents.
Can KLDR fuses be used in motor branch circuits?
Littelfuse specifies KLDR fuses for motor branch circuits containing IEC or NEMA rated motor controllers or contactors when the fuse time-delay characteristics meet the application requirements.
What should be checked before ordering KLDR1/2?
Check the KLDR1/2 marking, 1/2 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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