Ceramic Fuse Manufacturer for OEM & Wholesale
Source ADL ceramic bolt-down fuses from TONFUL Electric for power distribution and equipment assemblies. Compare three series covering 30–700A across the catalog, then share your required voltage, current rating, mounting dimensions and order quantity.
Ceramic Fuse Product Range
Choose the construction and rating that match your assembly. The three series below use white ceramic and copper; available voltage options and dimensions differ by series.

ADL-C Ceramic Fuse
40–600A · 32 / 48 / 72 / 125V options. Slim ceramic body, copper terminals and open fork mounting ends. Overall length: 82mm.

ADL-H Ceramic Fuse
30–500A · 500V catalog rating. Box-shaped white ceramic housing with copper fork terminals. Overall length: 80mm.

ADL-S Ceramic Fuse
300–700A · 125V catalog rating. White ceramic body with flat copper terminals and closed mounting holes. Overall length: 78.2mm.
Ceramic Fuse Applications
Explore three potential application areas for ceramic bolt-down fuses. Match the selected fuse to the circuit voltage, load, fault current and holder requirements.

Power Distribution Assemblies
Consider ADL-C fork-terminal fuses for power distribution layouts that require a slim mounting profile. Review busbar spacing, terminal contact area and the required current rating with the assembly drawing.

Battery Distribution Boxes
Review ADL-S closed-hole terminal fuses for battery distribution projects within the selected model’s verified electrical ratings. Confirm the maximum circuit voltage, prospective fault current and holder compatibility before selection.

Equipment Power Circuits
Compare ADL-H box-type fuses for equipment power circuit projects. Its 500V catalog rating is a starting point for review; request the model’s AC/DC rating, interrupting capacity and coordination data for the intended circuit.
Application images are illustrative scenes. Final suitability depends on the selected fuse and the completed assembly.
Ceramic Fuse Specifications & Catalog Ratings
| Series | Catalog current range | Voltage options | Construction |
|---|---|---|---|
| ADL-C | 40–600A | 32 / 48 / 72 / 125V | White ceramic + copper |
| ADL-H | 30–500A | 500V | White ceramic + copper |
| ADL-S | 300–700A | 125V | White ceramic + copper |
Voltage and current figures are transcribed from the supplied TONFUL catalog. Select a specific voltage version; do not treat multiple voltage options as one universal rating.
ADL-C: Ratings, Dimensions & Opening Times
ADL-C Catalog Configurations
| Catalog No. | Voltage Rating | Ampere Rating |
|---|---|---|
| ADL-C40 | 32 / 48 / 72 / 125V | 40A |
| ADL-C60 | 32 / 48 / 72 / 125V | 60A |
| ADL-C80 | 32 / 48 / 72 / 125V | 80A |
| ADL-C100 | 32 / 48 / 72 / 125V | 100A |
| ADL-C125 | 32 / 48 / 72 / 125V | 125A |
| ADL-C150 | 32 / 48 / 72 / 125V | 150A |
| ADL-C175 | 32 / 48 / 72 / 125V | 175A |
| ADL-C200 | 32 / 48 / 72 / 125V | 200A |
| ADL-C250 | 32 / 48 / 72 / 125V | 250A |
| ADL-C300 | 32 / 48 / 72 / 125V | 300A |
| ADL-C350 | 32 / 48 / 72 / 125V | 350A |
| ADL-C400 | 32 / 48 / 72 / 125V | 400A |
| ADL-C450 | 32 / 48 / 72 / 125V | 450A |
| ADL-C500 | 32 / 48 / 72 / 125V | 500A |
| ADL-C600 | 32 / 48 / 72 / 125V | 600A |
Mounting Dimensions
| Dimension | Catalog value |
|---|---|
| Overall length | 82.0mm |
| Mounting centre distance | 49.0mm |
| Ceramic body length | 32.0mm |
| Overall width / body width | 21.6 / 20.1mm |
| Fork opening | 10.5mm |
| Body thickness | 8.9mm |
| Terminal thickness | 0.85 ± 0.1mm |
Dimensions are in millimetres. The catalog states a general tolerance of ±0.2mm; use the approved model drawing for tooling and final fit.
Time–Current Characteristics
| % of rated current | 40–200A: min / max | 225A and above: min / max |
|---|---|---|
| 150% | 1 hour / — | — / — |
| 160% | — / — | 60s / — |
| 220% | — / 60s | — / 60s |
| 250% | 0.8s / 10s | 0.8s / 10s |
| 400% | 0.2s / 2s | 0.2s / 2s |
“—” means the catalog does not specify that minimum or maximum. Request the selected model’s time–current curve and test conditions for circuit coordination.
ADL-H: Ratings, Dimensions & Opening Times
ADL-H Catalog Configurations
| Catalog No. | Voltage Rating | Ampere Rating |
|---|---|---|
| ADL-H30 | 500V | 30A |
| ADL-H40 | 500V | 40A |
| ADL-H50 | 500V | 50A |
| ADL-H80 | 500V | 80A |
| ADL-H100 | 500V | 100A |
| ADL-H150 | 500V | 150A |
| ADL-H175 | 500V | 175A |
| ADL-H200 | 500V | 200A |
| ADL-H225 | 500V | 225A |
| ADL-H275 | 500V | 275A |
| ADL-H325 | 500V | 325A |
| ADL-H400 | 500V | 400A |
| ADL-H500 | 500V | 500A |
Mounting Dimensions
| Dimension | Catalog value |
|---|---|
| Overall length | 80.00mm |
| Mounting centre distance | 62.00mm |
| Ceramic body length | 38.10mm |
| Body width | 20.10mm |
| Body height | 26.20mm |
| Fork opening | 8.10mm |
Dimensions are in millimetres. The catalog states a general tolerance of ±0.2mm; use the approved model drawing for tooling and final fit.
Time–Current Characteristics
| % of rated current | Opening time: min / max |
|---|---|
| 100% | 14,400s / — |
| 250% | 3s / 120s |
| 400% | 0.1s / 10s |
| 1000% | 0.05s / 1s |
“—” means the catalog does not specify that minimum or maximum. Request the selected model’s time–current curve and test conditions for circuit coordination.
ADL-S: Ratings, Dimensions & Opening Times
ADL-S Catalog Configurations
| Catalog No. | Voltage Rating | Ampere Rating |
|---|---|---|
| ADL-S300 | 125V | 300A |
| ADL-S350 | 125V | 350A |
| ADL-S400 | 125V | 400A |
| ADL-S450 | 125V | 450A |
| ADL-S500 | 125V | 500A |
| ADL-S600 | 125V | 600A |
| ADL-S700 | 125V | 700A |
Mounting Dimensions
| Dimension | Catalog value |
|---|---|
| Overall length | 78.2mm |
| Mounting centre distance | 60.4mm |
| Body length | 29.1mm |
| Overall width | 22.8mm |
| Body height | 16.4mm |
Dimensions are in millimetres. The catalog states a general tolerance of ±0.2mm; use the approved model drawing for tooling and final fit.
Time–Current Characteristics
| % of rated current | Opening time: min / max |
|---|---|
| 100% | 14,400s / — |
| 300% | — / 10s |
“—” means the catalog does not specify that minimum or maximum. Request the selected model’s time–current curve and test conditions for circuit coordination.
For each project, request confirmation of AC/DC suitability, interrupting capacity, operating temperature, installation torque and required approval documentation. These values are not specified in the supplied catalog pages.
Why Choose TONFUL Ceramic Fuses
Three Distinct Constructions
Compare a slim fork-terminal body, a taller box body and a closed-hole blade design to suit the mounting arrangement.
Model-Based Current Selection
Choose from 35 catalog configurations across ADL-C, ADL-H and ADL-S, with current options from 30A to 700A across the range.
Ceramic & Copper Materials
The catalog specifies a white ceramic body and copper terminals for all three families. Review the contact finish and mechanical drawing for your order.
Mounting Dimensions at Hand
Compare overall length, body dimensions and mounting centres before you commit to a holder or busbar layout.
Series-Specific Opening Times
Use the supplied opening-time limits as part of your model review, together with the full curve and the circuit’s coordination requirements.
OEM & Wholesale Enquiries
Send your series, voltage option, ampere rating, quantity and packaging requirements for a focused quotation.
Select Ceramic Fuses in Six Practical Steps
Step 1: Identify the Series
Choose ADL-C, ADL-H or ADL-S using the body profile, fork slots or closed-hole terminal layout.
Step 2: Confirm the Voltage Version
Provide the maximum circuit voltage and whether the circuit is AC or DC. Ask for the selected model’s verified voltage rating.
Step 3: Review the Current Rating
Share continuous load, inrush and ambient conditions so the chosen ampere rating can be reviewed for your circuit.
Step 4: Check Mounting Fit
Compare overall length, mounting centres, terminal opening and body clearance with the holder and busbar drawing.
Step 5: Check Protection Data
Request interrupting capacity, the full time–current curve and coordination data for the available fault current.
Step 6: Define the Order
Confirm catalog number, voltage version, quantity, marking, sample requirements and protective packaging.
Request Ceramic Fuse Samples
Share the catalog number, current rating and voltage version you would like to evaluate. Ask our team to confirm sample availability, lead time and delivery details.
Ceramic Fuse Workshop & Packaging

Assembly & Dimensional Inspection
Discuss ceramic housing assembly, terminal positioning and dimensional checks for your selected fuse series. Ask for current production details and inspection records relevant to your order.

Protective Trays & Export Cartons
Request separated trays or other protective packing to reduce contact between ceramic bodies and metal terminals in transit. Confirm piece count, carton quantity, label format and shipping requirements in the quotation.
AI-generated workshop and packaging illustrations; these are not photographs of the TONFUL factory.
More Than Just a Ceramic Fuse Manufacturer

Selection Consultation
Send your circuit voltage, current and available fault current for a model discussion. Request the electrical data needed by your project team.

Product Recommendations
Compare ADL-C, ADL-H and ADL-S against your mounting profile, terminal geometry and catalog rating requirements.

Mounting Review
Share the holder or busbar drawing to review the dimensions and clearances. Confirm torque and installation requirements for the selected model.

Packaging & Delivery Planning
Provide delivery destination, quantities and receiving requirements. Confirm packing details, lead time and freight arrangements with your quotation.
Ceramic Fuses: Frequently Asked Questions
Q1: What is the difference between ADL-C, ADL-H and ADL-S?
ADL-C is a slim fork-terminal design, ADL-H has a taller box-shaped body and fork terminals, and ADL-S uses flat blades with closed mounting holes. Their current ranges, voltage options and dimensions differ.
Q2: What current and voltage ratings are listed?
ADL-C: 40–600A with 32/48/72/125V options; ADL-H: 30–500A at 500V; ADL-S: 300–700A at 125V. Confirm the exact voltage version and AC/DC suitability for the catalog number you order.
Q3: Are these cylindrical cartridge fuses?
The three series shown here are ceramic bolt-down fuses with copper terminals. Match the terminal geometry and mounting dimensions to the intended holder or busbar.
Q4: Does a ceramic body alone confirm an HRC rating?
No. Ask for the selected model’s verified interrupting capacity, rated voltage and applicable test documentation. The supplied catalog pages do not specify interrupting capacity.
Q5: Can you supply dimensions and opening-time data?
The specifications section includes the main dimensions and opening-time limits from the supplied catalog. Request an approved model drawing, full time–current curve and test conditions for final design review.
Q6: What should I send for a quotation?
Send the catalog number or series, ampere rating, voltage version, AC/DC circuit type, quantity, holder drawing and packaging requirements. Include any approval documents required for your market.
Request Ceramic Fuse Information
Ready to compare ADL ceramic fuses for your assembly? Send your required series, voltage version, current rating and quantity.
Email ivan@tonful.com or open the enquiry window below.
