# 500V-RATED FUSE FOR EV/HEV/ESS APPLICATIONS, 125A, STUD MOUNT WITH OFFSET BLADE 51AK0305

![Product image](https://novapart.co/image/farnell:4070472/)

**URL**: https://novapart.co/products/0AKNBK125-BB/500v-rated-fuse-for-ev-hev-ess-applications-125a
**SKU**: 0AKNBK125-BB
**Manufacturer**: BEL FUSE
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Automotive Fuses
**Price**: €19.3400
**Stock**: 10+
**Lead Time**: 130 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Fuse Current | 125A |
| Product Range | 0AKN Series |
| Voltage Rating Vdc | 500V |
| Blow Characteristic | - |
| Auto Blade Fuse Size | 90mm x 22mm x 25mm |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4070472/)

## Type 0AKN Electric Vehicle Power Fuses 

0AKN Series RoHS Compliant 

## **Description** 

500VDC rated ceramic tube fuse 

## **Features** 

- Design to EV fuse standard UL248-20 

- Reliability performance design refer to ISO8820-8&GB/T31465.6 

- Excellent DC performance 

- Full compliance with EU Directive 2011/65/EU and amending directive 2015/863 

## **Applications** 

EV/HEV/ESS Applications 

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## **Physical Specifications** 

Body : Ceramic 

Materials Terminals :  Tin Plated Copper On Fuse : “bel”,“0AKN” “Current Rating”, “Voltage Rating” Marking On Label : "bel", "0AKNX”, "Current Rating", "Voltage Rating", "Interrupting Rating", ~~—~~ and " ", " "(China RoHS compliant). 

**Ratings** Ampere Range / Volt Ampere  Rating / Voltage Rating @ I.R. ability* 100A-250A / 500V DC 100A-250A / 500V @ 50kA DC *I.R.= Interrupting Rating = Short Circuit Rating(Amps) 

Specifications subject to change without notice 

**belfuse.com/circuit-protection** 

**2** / **3** 

## Type 0AKN 

## **Temperature Rerating Curve                            Average Time Current Curve** 

Operating Temperature:  -40°C to +125°C, with proper rerating factor applied 

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1.4<br>1.3 ee<br>1.2 i<br>1.1 i<br>1 eo ee [ee] oe<br>0.9 ee<br>0.8 ee eeSo<br>0.7 oo<br>0.6 Ht} ++} ++ +4} +}}-oo FS |} 4<br>0.5 ee<br>0.4 ee<br>0.3 oo<br>-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100110120130<br>Ambient Temperature °C<br>Factor of Rated Current<br>**----- End of picture text -----**<br>


## **Re-rating with High altitude** 

The high altitude load calculation formula is: I = In * (1- (h-2000)/100*(0.5/100)), where h is an elevation, not more than 5000 

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He CERES<br>z eeESSERE EERE CEH<br>Ba PEENe eee eee<br>6 a Oe OO GO<br>3 FERRER EAN<br>BEER EE<br>Bom SOE EEEEPS<br>BT3 [TiEEEEEEEESEEEEEEEEtit ti rit tri ree ri PeESSENET ee i te<br>ga EER EEEEa EEE EEE REECE EEERREEE EEE<br>**----- End of picture text -----**<br>


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Time Current Curve<br>1000<br>100<br>10<br>1<br>\<br>0.1<br>\<br>\<br>0.01<br>0.001<br>\<br>100 1000 10000<br>Current  (Amperes)<br>100A 125A 150A 175A 200A 250A<br>Time (SecondS)<br>**----- End of picture text -----**<br>


## **Electrical Specifications** 

|Part Number|Rated Current|Voltage and Interrupting<br>Ratings|I2t (A2sec)<br>Pre-arcing<br>Total @ 500Vdc|I2t (A2sec)<br>Pre-arcing<br>Total @ 500Vdc|I2t (A2sec)<br>Pre-arcing<br>Total @ 500Vdc|Total @ 500Vdc|Power Loss<br>(W)|
|---|---|---|---|---|---|---|---|
|0AKNxK100-xx|100A||1770|||7020|14.9|
|0AKNxK125-xx|125A||2850|||11500|19.3|
|0AKNxK150-xx|150A|See Table of Ratings on Page|4150|||15770|23.1|
|0AKNxK175-xx|175A|1 for Voltage and associated<br>Interrupting Ratings|5970|||22850|27.5|
|0AKNxK200-xx|200A||9350|||36500|30.8|
|0AKNxK250-xx|250A||16600|||67800|35.2|
|Consult manufacturer for other ratings|Consult manufacturer for other ratings|||||||



Specifications subject to change without notice 

**Bel Fuse Inc.** 206 Van Vorst Street Jersey City, NJ 07302 USA 

+1 201.432.0463 Bel.US.CS@belf.com **belfuse.com/circuit-protection** 

© 2022 Bel Fuse, Inc. 

Rev. 0AKN Feb2022 

**3** / **3** 

## Type 0AKN 

## **Fuse FGNO Explanation 0AKN X [XXXX] -XX** 

## **0AKNB=0AKNB; [XXXX]=Ampere Rating; XX=See Ordering Information as below** 

|Amps|Bel FGNO[XXXX]|
|---|---|
|100A|K100|
|125A|K125|
|150A|K150|
|175A|K175|
|200A|K200|
|250A|K250|



## **Mechanical Dimensions                                     Ordering Information** 

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085205<br>c<br>CG)<br>(<br>**----- End of picture text -----**<br>


## **Packaging** 

|Packaging Option|Quantity|Packaging Code|
|---|---|---|
|Bulk|10pcs/inner box, 240pcs/shipping carton|BB|



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RES. POWER<br>Fe. be | SOLUTIONS &<br>**----- End of picture text -----**<br>


Specifications subject to change without notice 

**Bel Fuse Inc.** 

**Bel Fuse Inc.** +1 201.432.0463 206 Van Vorst Street Bel.US.CS@belf.com Jersey City, NJ 07302 USA **belfuse.com/circuit-protection** 

© 2022 Bel Fuse, Inc. 

Rev. 0AKN Feb2022 



## Links

- [View this product on Novapart](https://novapart.co/products/0AKNBK125-BB/500v-rated-fuse-for-ev-hev-ess-applications-125a)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bel-fuse/0aknbk125-bb/500v-rated-fuse-for-ev-hev-ess/dp/4070472)
---

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