Square Ceramic Battery Fuse Manufacturer (58V DC)
TONFUL Electric supplies ADCF square ceramic battery fuses for battery main-circuit overcurrent and short-circuit protection. A ceramic insulating body, visible fuse element and transparent PES cover combine in a compact battery-terminal fuse design rated at 58V DC.
Compare 50-300A standard options and the listed 500A extended option, with a catalog interrupting rating of 2,000A at 58V DC. Send your current rating, circuit details, holder drawing and quantity for a quotation. Use the fuse only with the matching insulating nut and battery-clamp fuse holder.
Square Ceramic Battery Fuse Product Range
Six featured current ratings are shown below. The complete specification table also lists 125A, 175A and 250A variants, plus a 500A extended option. Product images are high-definition recreations of the supplied photographs.

ADCF-50-1 | 50A
58V DC ceramic battery terminal fuse

ADCF-75-1 | 75A
58V DC ceramic battery terminal fuse

ADCF-100-1 | 100A
58V DC ceramic battery terminal fuse

ADCF-150-1 | 150A
58V DC ceramic battery terminal fuse

ADCF-200-1 | 200A
58V DC ceramic battery terminal fuse

ADCF-300-1 | 300A
58V DC ceramic battery terminal fuse
Square Ceramic Battery Fuse Applications
Review these battery DC application areas against the selected fuse rating, maximum circuit voltage, prospective fault current and approved holder arrangement. Select the complete protected assembly for the operating environment.

RV & Camper Battery Systems
Consider ADCF fuses for auxiliary battery circuits, dual-battery conversions and inverter supply leads in RVs and camper vans. Review charging voltage, continuous load and surge requirements, and use a matching holder with insulated terminal protection.

Marine Battery DC Circuits
Review the compact battery-terminal format for leisure-boat DC battery distribution. Keep the installation protected from moisture and accidental contact, and confirm the complete fuse-and-holder assembly against the vessel design and required approvals.

Solar Storage & Equipment Power
Consider battery main-circuit protection in suitable off-grid storage, DC inverter and industrial or utility-vehicle battery systems. Confirm the highest operating voltage and available short-circuit current; a 58V DC rating does not establish suitability for every battery system.
Application images are AI-generated illustrations, not customer case studies or installation drawings.
ADCF Battery Fuse Specifications & Model Data
| Specification | Product Information |
|---|---|
| Series / ordering format | ADCF-xxx-1 square ceramic battery fuse |
| Fuse function | Single-use, non-resettable battery main-circuit fuse |
| Rated voltage | 58V DC |
| Standard current ratings | 50, 75, 100, 125, 150, 175, 200, 250 and 300A |
| Extended current option | 500A; confirm the selected version and availability |
| Interrupting rating | 2,000A at 58V DC |
| Insulating body | Ceramic |
| Inspection cover | Transparent PES; visible fuse element |
| Mounting arrangement | M8 battery post with matching insulating nut and battery-clamp fuse holder |
| Drawing envelope | 20.0 x 23.5 x 11.5mm, as shown in the supplied drawing |
| Mounting bore | 8.2mm, as shown in the supplied drawing |
| Continuous operating guideline | Maximum 0.8 x rated current at 23°C; catalog factor FI = 1.25 |
| Standard packing | 50 pieces per bag |
| Traceability | Production batch details on the packaging label |
| Storage guidance | Dry, protected from sunlight; product brief states a two-year storage period |
| Standards referenced by supplier | ISO 8820-6, DIN 72581-5 and UL 248 Special Purpose Fuses |
| Environmental documentation | RoHS is stated in the supplied materials; confirm order-specific evidence |
Current Ratings & Electrical Values
The following values are transcribed from the supplied product datasheet. The CF8 references come from the supplied product brief and are comparison references, not a blanket interchangeability approval.
| ADCF Part Number | Current (A) | Typical Voltage Drop (mV) | Cold Resistance (mΩ) | I²t (A²s) | CF8 Reference Supplied |
|---|---|---|---|---|---|
| ADCF-50-1 | 50 | 100 | 3.40 | 1,900 | 155.0892.6051 |
| ADCF-75-1 | 75 | 90 | 2.81 | 12,000 | 155.0892.5751 |
| ADCF-100-1 | 100 | 80 | 1.02 | 14,000 | 155.0892.6101 |
| ADCF-125-1 | 125 | 75 | 0.95 | 51,000 | 155.0892.6121 |
| ADCF-150-1 | 150 | 70 | 0.89 | 63,800 | 155.0892.6151 |
| ADCF-175-1 | 175 | 70 | 0.82 | 120,000 | 155.0892.6171 |
| ADCF-200-1 | 200 | 65 | 0.78 | 172,800 | 155.0892.6201 |
| ADCF-250-1 | 250 | 70 | 0.58 | 330,000 | 155.0892.6251 |
| ADCF-300-1 | 300 | 70 | 0.31 | 372,000 | 155.0892.6301 |
| ADCF-500-1 (extended) | 500 | 60 | 0.15 | 625,000 | No reference listed |
The 500A row is listed in the datasheet, while the standard range is described as 50-300A. Confirm the electrical characteristics, mounting drawing and supply status of the extended version before ordering.
Time-Current Characteristics
| % of Rated Current | Minimum Opening Time | Maximum Opening Time |
|---|---|---|
| 100% | 360,000s | — |
| 135% | — | 3,600s |
| 150% | 1s | 600s |
| 200% | 0.200s | 60s |
| 300% | 0.050s | 1.5s |
| 400% | 0.020s | 0.50s |
| 600% | — | 0.20s |
“—” means the supplied datasheet does not specify that limit. Use the full time-current data and the selected model’s test conditions when reviewing inrush and circuit coordination.
Dimensions & Mounting Geometry

Required Holder & Insulating Nut
Do not install or operate the fuse by itself. Use the matching insulating nut and battery-clamp fuse holder. Obtain the approved mounting instructions, torque, contact arrangement and protective-cover requirements for the complete assembly before installation.
The supplied materials reference the Littelfuse CF8 155.0892 family and corresponding battery-clamp arrangements. Confirm dimensions, contact interfaces, current-time performance, interrupting rating and required documentation for the exact replacement application.
Why Choose TONFUL Square Ceramic Battery Fuses
Ceramic Insulating Body
A compact ceramic body provides the insulating structure around the fuse and mounting bore. Review the contact finish and body dimensions against the approved model drawing.
Transparent Inspection Window
The PES cover allows visual inspection of the fuse element. Isolate the circuit before inspection and replace an operated fuse after the cause of the fault has been corrected.
58V DC Battery Protection
The supplied datasheet specifies a 58V DC voltage rating and a 2,000A interrupting rating at 58V DC. Match both values to the battery circuit and available fault current.
Published Opening-Time Limits
The catalog provides opening-time limits from 100% to 600% of rated current. Use these limits with operating load and surge data when reviewing the required response.
Compact M8 Mounting Format
The supplied drawing shows an 8.2mm mounting bore in a 20 x 23.5mm body profile. The fuse requires the matching insulating nut and battery-clamp holder.
Model & Documentation Support
Specify the current rating, comparison part number, installation drawing and required approval evidence. Product, environmental and factory-quality documentation should be confirmed for the order.
Select a Battery Fuse in Six Practical Steps
Step 1: Check Voltage & Fault Current
Provide the maximum battery-circuit voltage, including charging conditions, and the prospective short-circuit current. Review the 58V DC rating and 2,000A at 58V DC interrupting rating.
Step 2: Define Load & Inrush
List the continuous operating load, start-up surge and expected ambient conditions. The supplied guideline limits continuous operating current to 0.8 x rated current at 23°C.
Step 3: Review the Current-Time Data
Select an ampere rating and review its opening-time limits against the cable, load and circuit coordination requirements. Confirm any special version such as the 500A option.
Step 4: Verify the Mounting Drawing
Check the 20 x 23.5 x 11.5mm drawing envelope, 8.2mm bore and terminal contact arrangement. Compare the complete holder assembly with the available installation space.
Step 5: Specify the Matching Accessories
Order or verify the required insulating nut and battery-clamp fuse holder. Confirm mounting torque, insulation, protective covers and installation instructions for the complete assembly.
Step 6: Confirm Packing & Documents
State the ADCF model, quantity, 50-piece bag format, batch-label requirements and any OEM marking. Request the approval and environmental documents required for the intended market.
Request Samples for Fit & Evaluation
Send your required current rating and holder reference to discuss sample availability and evaluation requirements.
Battery Fuse Workshop & Packaging

Fuse Assembly & Inspection
For OEM orders, discuss ceramic-body inspection, fuse-link assembly, contact finish, dimensional checks and electrical inspection. Share incoming inspection, batch traceability and test-document requirements so the production and inspection plan can be confirmed.

50-Piece Bags & Protective Export Packing
Standard packing is 50 pieces per bag. Discuss separated trays, protective dividers and outer cartons to reduce contact damage during handling. Specify the model, current rating, quantity and batch details for bag and carton labels; custom packaging and laser marking can be reviewed with the order.
AI-generated workshop and packaging illustrations; these are not photographs of the TONFUL factory or an actual shipment.
More Than Just a Battery Fuse Supplier

Technical Selection Consultation
Share circuit voltage, continuous current, surge conditions and prospective fault current. Request the model data needed to review battery-main-circuit protection.

CF8 Cross-Reference Review
Provide the full comparison part number and approved drawing. Review the ADCF equivalent against dimensions, terminal interfaces, electrical characteristics and documentation requirements.

Holder & Mounting Review
Send the battery-clamp fuse holder and insulating-nut references. Confirm the contact arrangement, bore, protective cover, clearances and installation instructions for the complete assembly.

OEM Marking & Delivery Planning
Discuss laser marking, packaging labels, 50-piece bags, carton preferences and delivery destination. Sample terms, order quantity, lead time and shipping arrangements are confirmed in the quotation.
Square Ceramic Battery Fuse: Frequently Asked Questions
Q1: What is the ADCF square ceramic battery fuse?
It is a single-use battery-terminal fuse with a ceramic insulating body and a transparent PES cover for viewing the fuse element. The supplied datasheet specifies 58V DC and a 2,000A interrupting rating at 58V DC.
Q2: Which current ratings are listed?
Standard ratings are 50, 75, 100, 125, 150, 175, 200, 250 and 300A. The datasheet also lists ADCF-500-1; the product brief describes 500A as an extended option that should be confirmed before ordering.
Q3: Can the fuse be fitted directly without a holder?
No. The supplied instructions require the fuse to be used with the matching insulating nut and battery-clamp fuse holder. Obtain the approved installation instructions and torque for the complete assembly.
Q4: Is ADCF a direct replacement for every Littelfuse CF8 part?
The supplied brief provides CF8 155.0892 cross-references. A replacement must still be checked against the exact part number, drawing, terminal interface, time-current performance, voltage, interrupting rating and required approval evidence.
Q5: Does the fuse reset after it opens?
No. It is a non-resettable fuse. Isolate the circuit, identify and correct the cause of the fault, and replace it with the specified fuse and approved accessory arrangement.
Q6: How should continuous current be selected?
The supplied datasheet gives FI = 1.25 and a maximum continuous operating current of 0.8 x rated current at 23°C. Ambient temperature, start-up surge, cable protection and circuit coordination also need review.
Q7: What approval documents can be requested?
The supplied datasheet references ISO 8820-6, DIN 72581-5, UL 248 Special Purpose Fuses, RoHS and cULus recognition. Ask for current model-specific evidence and any required factory-quality or environmental documents; a referenced standard alone is not an approval certificate.
Q8: What are the packing and storage arrangements?
The confirmed standard pack is 50 pieces per bag. Batch details are identified on packaging labels. The product brief states dry storage away from sunlight and a two-year storage period, with electrical reinspection recommended for older stock. There is no fixed guaranteed in-service lifetime stated here.
Request Square Ceramic Battery Fuse Information
Send the ADCF current rating or comparison part number, circuit details, holder drawing, quantity and packaging requirements for a focused quotation.
Email ivan@tonful.com or open the enquiry window below.
