MAXI Blade Fuses, 20–100A, 32V DC
TONFUL MAXI blade fuses provide replaceable overcurrent protection for higher-current automotive circuits. The ADMAX1 series offers nine ratings from 20A to 100A, a large plug-in blade format and color-coded PC or nylon housings.
For automotive OEMs, distributors, repair networks and wholesale buyers.
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Why Choose TONFUL MAXI Blade Fuses?
The ADMAX1 series combines a larger blade interface with 20A to 100A current options for compatible vehicle fuse panels and low-voltage DC equipment. Select the rating by the protected wiring, load profile and fuse-holder specification.
20A to 100A Options
Nine catalog ratings support a range of higher-current automotive circuits.
Large Blade Format
A 29.21 mm-wide housing and broad terminals fit compatible MAXI fuse holders.
32V DC Rating
For compatible low-voltage DC circuits whose voltage does not exceed 32V.
1,000A Breaking Capacity
The catalog lists a breaking capacity of 1,000A at 32V DC.
Color-Coded Housings
Defined colors help distinguish ratings during stock control and replacement.
OEM and Bulk Supply
Request rating assortments, packaging formats and distributor quantities.
Technical Specifications
Compare these catalog values with the circuit requirements, holder dimensions and installation environment before selecting a MAXI fuse.
| Product type | MAXI automotive blade fuse |
|---|---|
| Catalog series | ADMAX1 |
| Current ratings | 20A, 25A, 30A, 40A, 50A, 60A, 70A, 80A and 100A |
| Voltage rating | 32V DC |
| Breaking capacity | 1,000A at 32V DC |
| Catalog operating-temperature range | -40°C to +200°C; confirm the limit for the ordered housing material and rating |
| Terminal material | Silver-plated zinc alloy |
| Housing material | PC or nylon |
| Catalog standards reference | SAE J2077, ISO 8820 and UL 248 special-purpose fuses |
Ask TONFUL for the current specification and certification documents for the selected part number.
Available Ratings, Colors and Cold Resistance
The catalog gives cold resistance as a reference value with ±20% tolerance. Confirm the part number and printed amperage when ordering or replacing a fuse.
| Catalog number | Current | Voltage | Cold resistance ±20% | Color |
|---|---|---|---|---|
| ADMAX1-20 | 20A | 32V | 3.90 mΩ | Yellow |
| ADMAX1-25 | 25A | 32V | 3.20 mΩ | Green |
| ADMAX1-30 | 30A | 32V | 2.60 mΩ | Tan |
| ADMAX1-40 | 40A | 32V | 2.00 mΩ | Amber |
| ADMAX1-50 | 50A | 32V | 1.67 mΩ | Red |
| ADMAX1-60 | 60A | 32V | 1.20 mΩ | Blue |
| ADMAX1-70 | 70A | 32V | 1.10 mΩ | Brown |
| ADMAX1-80 | 80A | 32V | 1.05 mΩ | White |
| ADMAX1-100 | 100A | 32V | 0.98 mΩ | Brown |
MAXI Blade Fuse Dimensions
| Housing width | 29.21 mm |
|---|---|
| Housing height | 21.20 mm |
| Blade length below housing | 13.50 mm |
| Outside blade span | 28.30 mm |
| Individual blade width | 7.80 mm |
| Body thickness | 8.85 mm |
| Blade thickness | 0.81 mm |
| Drawing tolerance | ±0.2 mm |
Catalog Drawing and Curves
View the supplied catalog sheet for the dimensional drawing, rating table and time-current curve.
Select the image to open the original catalog sheet.
Time-Current Opening Characteristics
The table below transcribes the opening-time limits in the supplied catalog. Select a rating that accommodates the circuit’s normal load and startup current while protecting the conductors.
| Current (% of rating) | Minimum opening time | Maximum opening time |
|---|---|---|
| 100% | 360,000 seconds (100 hours) | Not specified |
| 135% | Not specified | 1,800 seconds (30 minutes) |
| 200% | 2 seconds | 60 seconds |
| 350% | 0.20 seconds | 7 seconds |
| 600% | Contact TONFUL for the confirmed value | 1 second |
Common Applications
Vehicle Power Distribution
Compatible higher-current fuse blocks in passenger and commercial vehicles.
Cooling Fans
Fan circuits after checking operating current, motor inrush and wiring size.
HVAC Blower Motors
Blower circuits with a suitable MAXI holder and coordinated fuse rating.
Pumps and Accessories
Low-voltage DC pump and accessory circuits that match the fuse specification.
Workshop Replacement Stock
Rating assortments for approved vehicle repairs and maintenance.
OEM Equipment Assembly
Bulk supply for manufacturers integrating compatible MAXI fuse holders.
How to Replace a MAXI Blade Fuse
- Isolate power. Follow the vehicle or equipment service procedure.
- Identify the circuit. Confirm the failed fuse and investigate why it opened.
- Match the fuse. Use the specified MAXI format, amperage and voltage rating.
- Check the holder. Inspect for heat damage, corrosion or loose contacts.
- Insert and test. Seat the fuse fully and verify normal circuit operation.
Information for an RFQ
Send TONFUL your required configuration:
- ADMAX1 part numbers and quantity per rating
- Housing material and operating environment
- Required drawings and compliance documentation
- Packaging, labeling and assortment requirements
- Sample quantity, annual forecast and destination
MAXI Blade Fuse Frequently Asked Questions
Which current ratings are available?
The ADMAX1 catalog lists 20A, 25A, 30A, 40A, 50A, 60A, 70A, 80A and 100A ratings.
Can MAXI fuses replace standard blade fuses?
MAXI fuses use a larger body and terminal interface. Use a holder specifically designed for the MAXI format.
What is the voltage rating?
The series is rated 32V DC. It can be evaluated for compatible 12V and 24V circuits when the complete circuit requirements are met.
What is the breaking capacity?
The catalog specifies 1,000A at 32V DC.
Which housing materials are available?
The catalog lists PC or nylon. Specify the required material and confirm its temperature limit when requesting a quotation.
Can TONFUL supply mixed-rating packs?
Contact TONFUL with the requested rating mix, quantities, labeling and packaging format for a tailored quotation.
Source MAXI Blade Fuses from TONFUL
Send your amperage mix, holder requirements, documentation needs and order quantity. TONFUL can help select an ADMAX1 configuration and prepare a quotation.