Highly efficient and long-lived water heaters use high-performance electronic components. Depend on Littelfuse to provide contactors, capacitors,














ATOF ® automotive blade fuses were developed to take the place of obsolete ATO Series 257 fuses. Automakers consider ATOF fuses standard equipment for protecting low-voltage circuits.
- Fast-acting
- Available with ratings of 1 A to 40 A
- Interrupting rating of 1 kA at 32 V dc
- Silver- or tin-plated terminals
- Operate at up to 125 ℃
- Silver-plated terminals can reach 150 ℃ at contact
- Typ. weight per fuse: 1.4 g
- UL 94 flammability rating of V-2
- RoHS compliant and certified lead-free
- Color coding indicates ampere rating
- See-through housing makes it easier to see when fuse blows
- Checkpoints on top make it possible to measure resistance without removing the fuse
- High-contrast ampere stamps aid identification
287 Parts
Filters
Showing 1 to 12 of 52 Total Results
Part Number | Actions | Current Rating (A) | Voltage Rating (V) | Typ. Cold Resistance (mΩ) | Typ. Voltage Drop (mV) | Interrupting Rating |
---|
Part Number | Actions | Current Rating (A) | Voltage Rating (V) | Typ. Cold Resistance (mΩ) | Typ. Voltage Drop (mV) | Interrupting Rating
| |
---|---|---|---|---|---|---|---|
1 | 123 | 176 | 1000A @32VDC | ||||
1 | 123 | 176 | 1000A @32VDC | ||||
1 | 123 | 176 | 1000A @32VDC | ||||
1 | 123 | 176 | 1000A @32VDC | ||||
2 | 53.5 | 141 | 1000A @32VDC | ||||
2 | 53.5 | 141 | 1000A @32VDC | ||||
2 | 53.5 | 141 | 1000A @32VDC | ||||
2 | 53.5 | 141 | 1000A @32VDC | ||||
3 | 31.1 | 137 | 1000A @32VDC | ||||
3 | 31.1 | 137 | 1000A @32VDC | ||||
3 | 31.1 | 137 | 1000A @32VDC | ||||
3 | 31.1 | 137 | 1000A @32VDC |
287 Applications

Water Heaters
Highlights Section
- Cars
- Trucks
- Offroad vehicles
- Watercraft as approved by Littelfuse
Highlights Section
- Cars
- Trucks
- Offroad vehicles
- Watercraft as approved by Littelfuse