ANL‑B200ASF56 Bolt‑Down ESS Fuse | 100‑700A 175V DC Energy‑Storage Protection Fuse
System designers for battery‑energy‑storage and new‑mobility hardware constantly face challenges from high‑magnitude short‑circuit events inside low‑voltage DC bus systems. The ANL‑B200ASF56 Bolt‑Down ESS Fuse delivers fast, reliable bolt‑mount over‑current protection built specifically for energy‑storage‑oriented DC circuits. It combines high‑temperature‑resistant PPS and ceramic housing and fully complies with UL248‑1 safety standards. In addition, this fuse series covers 100A‑700A ratings under 175V DC, works across ‑40℃ to +125℃ ambient range, and handles short‑circuit current up to 20kA. Importantly, its optimized arc‑quenching performance suits circuits with L/R time‑constant ≤25ms, so hardware engineers can apply its published I²t values for semiconductor device coordination work.
Related technical pages: Energy Storage Fuses Category & GFEV(B300) MEGA Fuse Holder
Compliance reference: UL 248‑1 fuse safety standard documentation
Key Performance Metrics
- Compact High‑Current Bolt‑Down Form Factor: Its compact footprint saves cabinet space while supporting heavy‑ampere DC‑bus protection for energy‑storage and mobility equipment.
- High‑Temperature Housing Construction: PPS plus ceramic shell material sustains harsh thermal conditions inside sealed battery cabinets across wide operating‑temperature span.
- 20kA Short‑Circuit Breaking Capacity: This series lowers melting and arcing energy simultaneously during short‑circuit faults; therefore, it reduces stress on downstream power semiconductors.
- Stable Overload Characteristic: Overload threshold and voltage‑drop figures keep consistent regardless of short‑circuit magnitude, and continuous current‑carrying capability remains unaffected.
- System‑Friendly Arc Extinction: It maintains dependable arc‑quenching performance for low‑voltage DC loops where L/R ≤ 25ms, a common condition for battery‑bank installations.
- Critical Design Reminder: Always reserve adequate protection margin; total clearing I²t of the selected fuse must sit below the semiconductor component’s withstand I²t rating.
ANL‑B200ASF56 Full Electrical & Order‑Code Specifications
| Part Number | Rated Current(A) | Pre‑arcing I²t(A²s) | Arcing I²t(A²s) | Total Clearing I²t(A²s) |
|---|---|---|---|---|
| ANL‑B200A100SF56 | 100A | 520 | 182 | 702 |
| ANL‑B200A150SF56 | 150A | 980 | 280 | 1260 |
| ANL‑B200A200SF56 | 200A | 1650 | 434 | 2084 |
| ANL‑B200A250SF56 | 250A | 2600 | 665 | 3265 |
| ANL‑B200A300SF56 | 300A | 3750 | 980 | 4730 |
| ANL‑B200A350SF56 | 350A | 5100 | 1330 | 6430 |
| ANL‑B200A400SF56 | 400A | 6800 | 1785 | 8585 |
| ANL‑B200A450SF56 | 450A | 8250 | 2258 | 10508 |
| ANL‑B200A500SF56 | 500A | 10800 | 2800 | 13600 |
| ANL‑B200A550SF56 | 550A | 13100 | 3390 | 16495 |
| ANL‑B200A600SF56 | 600A | 15600 | 3990 | 19590 |
| ANL‑B200A650SF56 | 650A | 18250 | 4585 | 22835 |
| ANL‑B200A700SF56 | 700A | 21000 | 5180 | 26180 |
| Series Base Model | ANL‑B200ASF56 |
| Rated DC Voltage | 175V DC |
| Housing Material | High‑temperature PPS + Ceramic |
| Compliance Standard | UL248‑1 |
| Operating Temperature Range | -40℃ ~ +125℃ |
| Rated Short‑Circuit Breaking Capacity | 20kA |
| Applicable L/R Time‑Constant | Circuits with L/R ≤25ms |
Time‑Current Behaviour Notes
This fuse series presents definite‑time‑lag characteristics for DC low‑voltage circuits. At 100 % rated‑current loading, it can sustain 4‑hour minimum non‑blowing duration. When current reaches 300 % rating, the fuse will clear within maximum 10 seconds. Moreover, published time‑current curves support engineers for protection‑coordination simulation work. Keep in mind that real‑world ambient temperature, cooling condition and bus‑bar connection resistance will shift actual operating performance.
Real‑World System Application Scenarios
Hardware teams select ANL‑B200ASF56 bolt‑down fuses across multiple new‑energy domains. For mobility projects, it protects electric motorcycles, new‑energy trams and charging‑support subsystems. Beyond land vehicles, it delivers power‑distribution safeguarding for unmanned‑aerial‑vehicle power loops. Besides those use‑cases, it fits super‑capacitor banks, battery‑energy‑storage systems, low‑voltage DC busbars and industrial‑control DC equipment.
Design Engineer Selection Guidelines
First, cross‑check system DC working voltage shall never exceed 175V DC nominal rating. Second, calculate circuit L/R time‑constant; do not deploy this fuse inside loops where L/R exceeds 25 ms. Third, perform I²t coordination calculation: pick fuse whose total clearing I²t stays under semiconductor device withstand I²t value. Fourth, apply proper current derating for sealed cabinet environments with poor air convection. Finally, match with compatible bolt‑down fuse holder such as GFEV(B300) for reliable mechanical installation.
Manufacturing & Compliance Statement
Dongguan GongFu Electronics (EssFuse / GFEFUSE) manufactures this ANL‑B200ASF56 bolt‑down ESS fuse series. Every production batch undergoes full electrical‑parameter sampling test and dimensional inspection before shipment. Our engineering team offers sample units so you can run lab validation and I²t coordination verification. We accept volume‑based OEM adjustments for special marking requirements. Reach our sales team whenever you need curve data or compliance‑document support.
👉 ANL-B200ASF56 Bolt-Down Ess Fuse
Technical FAQ for Power‑System Engineers
1: What maximum short‑circuit current can ANL‑B200ASF56 withstand?
A: This series achieves 20kA short‑circuit breaking capacity under rated 175V DC condition.
2: What L/R circuit condition suits this ESS fuse?
A: Designers should deploy it for DC circuits with L/R ≤25ms. It may deliver degraded arc‑extinction effect beyond that limit.
3: How do engineers make I²t coordination with semiconductors?
A: Use published total clearing I²t table values, and select fuse whose total clearing I²t sits below semiconductor component withstand I²t rating.
4: Which safety standard does ANL‑B200ASF56 comply with?
A: This bolt‑down energy‑storage fuse complies with UL248‑1 fuse safety standard.
