20 A Current Rating
The FLQ-20 has a documented current rating of 20 A within the Littelfuse FLQ midget fuse series.
Littelfuse FLQ-20 Midget Fuse 20A 500VAC 300VDC Time-Delay
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Technical Specifications
| Brand | Littelfuse |
| Model Number | FLQ-20 |
| Product Category | Midget Fuse |
| Series | FLQ |
| Fuse Type | Time-Delay Supplemental Fuse |
| Current Rating | 20 A |
| AC Voltage Rating | 500 VAC |
| DC Voltage Rating | 300 VDC |
| AC Interrupting Rating | 10 kA |
| DC Interrupting Rating | 10 kA |
| Dimensions | 10.3 × 38.1 mm |
| Body Style | Cylindrical |
| Body Material | Melamine |
| Terminal Type | Ferrule |
| Visual Indication | Non-Indicating |
| Environmental Compliance | RoHS Compliant |
Key Features
500 VAC and 300 VDC
The FLQ-20 is rated for circuits up to 500 VAC and 300 VDC.
Time-Delay Characteristics
The FLQ series uses time-delay characteristics for supplemental protection of circuits subject to temporary inrush currents.
10 kA Interrupting Rating
The documented interrupting rating is 10 kA for both AC and DC applications within the specified voltage ratings.
10.3 × 38.1 mm Format
The FLQ-20 uses a cylindrical midget fuse body measuring approximately 10.3 mm in diameter and 38.1 mm in length.
Ferrule Terminals
The fuse uses ferrule terminations and a non-indicating cylindrical construction.
Applications
- Control power transformers
- Solenoid circuits
- Circuits with high inrush currents
- Small motor supplemental protection
- Industrial control circuits
- 500 VAC midget fuse circuits
Purchase Information
We support online purchase of the Littelfuse FLQ-20 Midget 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 FLQ-20?
Littelfuse FLQ-20 is a 20 A time-delay supplemental midget fuse from the FLQ series.
What is the current rating of FLQ-20?
The documented current rating is 20 A.
What is the AC voltage rating of FLQ-20?
The documented AC voltage rating is 500 VAC.
What is the DC voltage rating of FLQ-20?
The documented DC voltage rating is 300 VDC.
Is FLQ-20 a time-delay fuse?
Yes. The FLQ series is specified as a time-delay supplemental fuse series.
What is the interrupting rating of FLQ-20?
The documented interrupting rating is 10 kA for AC and DC circuits within the specified voltage ratings.
What are the dimensions of FLQ-20?
The fuse measures approximately 10.3 mm in diameter and 38.1 mm in length.
What terminal type does FLQ-20 use?
The FLQ-20 uses ferrule terminals.
Does FLQ-20 have a visual indicator?
No. The FLQ-20 is a non-indicating fuse.
What applications are specified for the FLQ series?
The FLQ series is specified for supplemental protection of control power transformers, solenoids, circuits with high inrush currents and small motors.
Is FLQ-20 intended for motor branch-circuit protection?
Littelfuse describes FLQ fuses as supplemental protection devices and directs motor branch-circuit applications to appropriate Class CC fuses.
What should be checked before ordering FLQ-20?
Check the FLQ-20 model marking, 20 A current rating, required 500 VAC or 300 VDC rating, 10.3 × 38.1 mm dimensions, ferrule termination and circuit protection requirements before purchasing.
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