ATO Blade Fuse | 1A-40A 32V Standard Automotive ATC Fuse
ATO/ATC standard automotive blade fuses, 32V, 1A to 40A, color-coded, RoHS. Full amp range with I²t and cold resistance data. China manufacturer. Request a quote
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ATO / ATC Standard Automotive Blade Fuses (32V, 1A–40A)
The ATO blade fuse is a standard-size automotive blade fuse rated 32V DC, covering 1A to 40A in 13 current ratings. Each rating is color-coded for easy identification, meets international automotive standards and is RoHS compliant. These are the replacement fuses for standard ATO/ATC blade fuse holders (including our GF-705 holder), widely used in cars, trucks, motorcycles, boats and 12V/24V vehicle electrical systems.
Key Features
- Standard ATO/ATC Blade Size — Drop-in replacement for most standard automotive fuse blocks.
- 1A–40A Full Range, 32V DC — 13 current ratings from 1A (black) to 40A (amber).
- Color-Coded by Amp Rating — Fast visual identification in dark or tight fuse boxes.
- Consistent Blow-Time Performance — Defined melting characteristics from 110% to 350% of rated current.
- RoHS Compliant — Lead-free, suitable for global automotive and aftermarket supply.
- OEM / ODM Available — Custom branding, packaging and bulk supply from GFEV, Dongguan.
Current Rating Table
| Type | Ampere (A) | Voltage (V) | Color | Cold Resistance (mΩ) | Min. Melting I²t (A²·s) |
|---|---|---|---|---|---|
| B001 | 1 | 32 | Black | 63–67 | 2.3 |
| B002 | 2 | 32 | Gray | 55–59 | 4.5 |
| B003 | 3 | 32 | Purple | 20–24 | 7.4 |
| B004 | 4 | 32 | Pink | 21–23 | 14 |
| B005 | 5 | 32 | Tan | 17.8–19.5 | 26 |
| B007 | 7.5 | 32 | Coffee | 10.8–11.8 | 60 |
| B010 | 10 | 32 | Red | 7.8–9.0 | 115 |
| B015 | 15 | 32 | Blue | 4.8–5.5 | 340 |
| B020 | 20 | 32 | Yellow | 3.8–4.1 | 520 |
| B025 | 25 | 32 | Natural | 2.8–3.6 | 1080 |
| B030 | 30 | 32 | Green | 2.3–2.7 | 1510 |
| B035 | 35 | 32 | Blue-Green | 1.8–2.0 | 2280 |
| B040 | 40 | 32 | Amber | 1.65–1.75 | 3310 |
Blow-Time Characteristics
| Test Current | Min Blow Time | Max Blow Time |
|---|---|---|
| 110% rated | — | 1800 s (typical) |
| 135% rated | 0.75 s | 1800 s |
| 200% rated | 0.15 s | 5 s |
| 350% rated | 0.08 s | 0.5 s |
Applications
Cars, trucks, buses, motorcycles, ATVs, boats, caravans, 12V/24V vehicle electronics, aftermarket audio, LED lighting, alarm systems and general DC automotive circuits.
FAQ
What is the difference between ATO and ATC fuses?
ATO and ATC fuses share the same standard physical size and are interchangeable in standard blade fuse holders.
What amp range do you offer?
From 1A to 40A in 13 ratings — 1, 2, 3, 4, 5, 7.5, 10, 15, 20, 25, 30, 35 and 40A.
Are these fuses RoHS compliant?
Yes, all B-series fuses are RoHS compliant and suitable for export.
Need a quote? Send your required amp range and quantity to sales@gfevfuse.com or click Request a Quote.
