Panel Mount Fuse Holder for 6x30mm Glass Ceramic Tube Fuses 20A 250V AC DC
Heavy-duty panel mount fuse holder for standard 6x30mm glass & ceramic tube fuses. Rated 20A, 250V AC / 125V DC, Bakelite UL94-V0 flame retardant housing, phosphor bronze terminals. Front-side fuse change for power supplies, industrial instruments and audio equipment circuit protection.
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Panel Mount Fuse Holder for 6x30mm Glass & Ceramic Tube Fuses
This heavy‑duty panel‑mount fuse holder is specially designed for standard 6×30 mm glass and ceramic tube fuses, widely used for AC‑DC circuit over‑current protection on power supplies, industrial instruments, audio equipment and household appliances.
Constructed with Bakelite base rated UL‑94V‑0 flame retardant, phosphor bronze terminals ensure stable electrical contact and long service life. It features M16*1.0 panel mounting thread for easy cabinet / enclosure panel installation. No need to open equipment housing when replacing fuses; just unscrew the cap from front side to swap 6×30 mm glass or ceramic fuse tubes conveniently.
Excellent electrical performance: 3000 VAC withstand voltage, contact resistance below 5 mΩ and insulation resistance above 100 MΩ guarantee reliable safety performance for your devices. Rated for 20 A, 250 V AC / 125 V DC, split current 50 A for short‑circuit protection.
Note: Product specifications subject to change without prior notice.
Key Electrical Specifications
| Fuse Compatibility | R3-52 6 x 30 mm glass / ceramic tube fuse |
| Rated Current | 20 A |
| Rated Voltage | 250 V / 125 V (AC / DC) |
| Split Current | 50 A |
| Withstand Voltage | 3000 VAC |
| Contact Resistance | < 5 mΩ |
| Insulation Resistance | > 100 MΩ |
| Housing Base Material | Bakelite (UL‑94V‑0) |
| Terminal Material | 0.5 mm phosphor bronze |
| Panel Mount Thread | M16*1.0 |
Mechanical & Material Features
- Panel‑through mounting with M16*1.0 thread, quick installation on cabinet enclosures
- UL‑94V‑0 Bakelite base, flame‑retardant for high‑safety circuit protection
- 0.5 mm phosphor bronze terminals, low contact resistance, long service lifespan
- Front‑side fuse replacement, no need to disassemble device housing
- Fit standard 6×30 mm glass and ceramic fuse tubes
Application Scenarios
- Switching power supplies & battery chargers
- Industrial control instruments
- Audio & speaker equipment
- Household electrical appliances
- Other AC‑DC over‑current protection circuits
Frequently Asked Questions
What size fuse fits this panel‑mount fuse holder?
This holder accepts standard 6×30 mm glass and ceramic tube fuses. It works with both glass‑body and ceramic‑body 6×30 fuses for circuit over‑current protection.
What is the maximum rated current and voltage for this fuse holder?
Rated current is 20A. Rated voltage is 250V AC and 125V DC. Its split current reaches 50A for short‑circuit protection in power circuits.
What is the panel mounting thread size?
The panel‑mount thread is M16*1.0. It is designed for through‑panel installation on equipment cabinets and enclosures.
What material is the fuse holder housing made of?
The base housing is Bakelite with UL‑94V‑0 flame‑retardant rating. Terminals are 0.5 mm phosphor bronze for stable electrical contact.
What are the insulation and withstand voltage performance?
Withstand voltage is 3000 VAC. Insulation resistance is greater than 100 MΩ, and contact resistance is less than 5 mΩ for reliable long‑term operation.
Can I replace the fuse without opening equipment housing?
Yes. You only need to unscrew the cap from the front panel side to swap fuses, no need to open the back of cabinet or equipment enclosure.
What typical applications use this 6×30 panel fuse holder?
Commonly used for power supplies, industrial instruments, audio devices, battery chargers and household appliances for AC‑DC over‑current protection.
