Description
ANL/B70SF51 Bolt Down Automotive Fuse
Product Description
The ANL/B70SF51 bolt down fuse is a high‑current automotive fuse designed for reliable overload and short‑circuit protection in vehicle electrical systems. It features a bolt‑down mounting structure for stable installation and excellent conductivity, widely used in cars, trucks, buses, ships, and other heavy‑duty equipment.
Key Features
- Bolt‑down mounting design for secure and stable installation
- High current rating for heavy‑duty circuit protection
- Good conductivity and high temperature resistance
- Stable performance and long service life
- Safe and reliable breaking capacity
- Suitable for automotive, marine, and industrial applications
Applications
- Automotive electrical systems
- Trucks, buses, and engineering vehicles
- Ships, yachts, and marine equipment
- Battery and inverter protection
- Modified vehicles and audio systems
- Heavy‑duty power distribution circuits
Why Choose EssFuse ?
EssFuse is a professional manufacturer of automotive fuses and fuse holders. We provide high‑quality ANL series bolt down fuses with strict testing, stable quality, competitive price and fast delivery to meet global customer demands.
ANL/B70SF51 Bolt Down Automotive Fuse
1. Dimensions (mm)
2. Specifications
Housing: Out of thermoplastic (UL 94-V0, heat-resistant), Visible melting element
Terminal: Copper alloy, gal. Sn 2 x M8 bolts, Distance 51 mm
Mounting Torque: 12.0 Nm +/- 1Nm
Breaking Capacity: 70V – 80V DC
Complies with: ISO 20934 Special Purpose Fuses
Operating Temperature Range: -40˚C to +125˚C (The maximum allowable temperature is 150°C at the contact point)
3. Time-Current Characteristics
| % of Rating | Opening Time Min / Max (s) 80A – 250A |
Opening Time Min / Max (s) 300A – 650A |
|---|---|---|
| 75 | – / – | 14400s |
| 100 | 14400s | – / – |
| 135 | 120s / 1800s | – / – |
| 200 | 1s / 15s | 1s / 15s |
| 350 | 0.300s / 5s | 0.500s / 5s |
| 600 | 0.100s / 1s | 0.100s / 1s |
1: Not mentioned in ISO standards
2: Short circuit protector only
3: Maximum pressure drop range according to ISO standards
4. Ratings
| TYPE | Rating Current (A) | Typ Voltage drop |
|---|---|---|
| ANL-B7080 | 80A | ≤110mV |
| ANL-B7100 | 100A | ≤110mV |
| ANL-B7125 | 125A | ≤110mV |
| ANL-B7150 | 150A | ≤100mV |
| ANL-B7175 | 175A | ≤100mV |
| ANL-B7200 | 200A | ≤100mV |
| ANL-B7225 | 225A | ≤100mV |
| ANL-B7250 | 250A | ≤80mV |
| ANL-B7275 | 275A | ≤80mV |
| ANL-B7300 | 300A | ≤80mV |
| ANL-B7350 | 350A | ≤80mV |
| ANL-B7400 | 400A | ≤80mV |
| ANL-B7450 | 450A | ≤80mV |
| ANL-B7500 | 500A | ≤80mV |
| ANL-B7550 | 550A | ≤80mV |
| ANL-B7600 | 600A | ≤80mV |
| ANL-B7650 | 650A | ≤80mV |