# FUSE, TIME DELAY, 300A, 600VAC/300VDC

![Product image](https://novapart.co/image/farnell:2679329/)

**URL**: https://novapart.co/products/LPJ-250SP/fuse-time-delay-300a-600vac-300vdc
**SKU**: LPJ-250SP
**Manufacturer**: EATON BUSSMANN
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Industrial & Electrical Power Fuses
**Price**: €789.6800
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Fuse Current | 250A |
| Product Range | Low-Peak LPJ Series |
| Fuse Size Metric | 50.8mm x 85.85mm |
| Fuse Size Imperial | 2" x 3.38" |
| Voltage Rating Vac | 600V |
| Voltage Rating Vdc | 300V |
| Blow Characteristic | Time Delay |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2679329/)

Effective February 2016 Supersedes August 2015 

Technical Data 1007 

## Low-Peak™ LPJ Class J 600Vac/300Vdc, 70-600A, dual element, time-delay fuses 

|**Catalog numbers (amps) - non-indicating fuses***|**Catalog numbers (amps) - non-indicating fuses***|**Catalog numbers (amps) - non-indicating fuses***|**Catalog numbers (amps) - non-indicating fuses***|
|---|---|---|---|
|LPJ-70SP|LPJ-125SP|LPJ-250SP|LPJ-500SP|
|LPJ-80SP|LPJ-150SP|LPJ-300SP|LPJ-600SP|
|LPJ-90SP<br>LPJ-100SP<br>LPJ-110SP|LPJ-175SP<br>LPJ-200SP<br>LPJ-225SP|LPJ-350SP<br>LPJ-400SP<br>LPJ-450SP||



**==> picture [77 x 17] intentionally omitted <==**

**----- Start of picture text -----**<br>
Available with easyID™<br>open fuse indication<br>**----- End of picture text -----**<br>


## **Catalog symbols:** 

- LPJ-(amp)SP (non-indicating) 

- LPJ-(amp)SPI (indicating) 

## **Description:** 

Bussmann[®] series Ultimate protection LPJ Class J dual element, current-limiting, time-delay fuses available with optional open fuse indication. Timedelay – 10 seconds (minimum) at 500% of rated current. 

## **Specifications:** 

## **Ratings** 

- Volts 

- 600Vac 

- 300Vdc 

- Amps 70-600A 

- IR 

- 300kA Vac RMS Sym. 

- 100kA Vdc 

## **Agency information** 

- UL[®] Listed, Guide JDDZ, File E4273 

- CSA[®] Certified, Class 1422-02, File 53787, Class J per CSA C22.2 No. 248.8 

- CE 

- RoHS compliant 

* Open fuse indication available on all part numbers by inserting the suffix “I,” e.g., LPJ-90SPI. Requires 75Vac minimum voltage. 

## **Carton Quantity:** 

|**Amp rating **|**Cartonqty.**|
|---|---|
|70–200|5|
|225–600|1|



## **Dimensions - in:** 

**==> picture [195 x 87] intentionally omitted <==**

**----- Start of picture text -----**<br>
4.63" 7.13"<br>3.63" 5.25"<br>Fal 2.63" 0.75" 1.13" —— 3.38" 0.41"<br>0.38" 1 " 0.28" 0.13" 1.63" *2"<br>ae r o! eo 0.53" 1 .88" 0.25"<br>65 to 100A 225 to 400A<br>8.0"<br>5.75" 6.0"<br>4.38" 1.13" 3.75" 0.53"<br>= 3.0" > 0.28" 1.5" ts. .. 2" 2.5"<br>eo: 0.38" 1.38" 0.19" et 0.69" 2.13" r@ ) 0.38"<br>110 to 200A 450 to 600A<br>**----- End of picture text -----**<br>


## **Features:** 

- Industry’s only UL Listed and CSA Certified fuse with a 300kA interrupting rating that allows for simple, worry-free installation in virtually any application. 

- Fast short-circuit protection and dual-element, time-delay performance provide ultimate protection. 

- Reduces existing fuse inventory by up to 33% when upgrading to Low-Peak fuses. 

- Consistent 2:1 ampacity ratios for all Low-Peak fuses make selective coordination easy. 

- Long time-delay minimizes needless fuse openings due to temporary overloads and transient surges. 

- Current-limitation protects downstream components against damaging thermal and magnetic effects of short-circuit currents. 

- Dual-element fuses have lower resistance than ordinary fuses so they run cooler. 

- Can often be sized for back-up protection against motor burnout from overload or single-phasing if other overload protective devices fail. 

- Proper sizing can provide “no damage” Type 2 coordinated protection for NEMA[®] and IEC[®] motor controllers. 

- Space-saving package for equipment downsizing. 

Low-Peak™ LPJ Class J 600Vac/300Vdc, 70-600A, dual element, time-delay fuses 

Technical Data 1007 

Effective February 2016 

## **Recommended fuse blocks:** 

**==> picture [263 x 16] intentionally omitted <==**

**----- Start of picture text -----**<br>
Fuse amps 1-Pole 2-Pole 3-Pole<br>**----- End of picture text -----**<br>


|70-100|JM60100-1CR|JM60100-2CR|JM60100-3CR|
|---|---|---|---|
|110-200|JM60200-1CR|JM60200-2CR|JM60200-3CR|
|225-400|JM60400-1CR|JM60400-2CR|JM60400-3CR|
|450-600|JM60600-1CR|JM60600-2CR|JM60600-3CR|



For additional information on the JM fuse blocks, see product brochure no. 3192. 

## **Fuse reducers for Class J fuses:** 

**==> picture [263 x 24] intentionally omitted <==**

**----- Start of picture text -----**<br>
Desired fuse  Catalog numbers<br>Equipment fuse clips (case) size (pairs)<br>**----- End of picture text -----**<br>


|100A|30A<br>J-13|
|---|---|
||60A<br>J-16|
|200A|60A<br>J-26†|
||100A<br>J-21†|
|400A|100A<br>J-41†|
||200A<br>J-42†|
|600A|200A<br>J-62†|
||400A<br>J-64†|



† Not for bolt-in applications. 

## **Time-current curves - average melt:** 

**==> picture [262 x 563] intentionally omitted <==**

**----- Start of picture text -----**<br>
AMP RATING<br>300<br>200<br>100<br>10<br>1<br>0.1<br>0.01<br>CURRENT IN AMPS<br>80A 100A 125A 200A 250A 400A 600A<br>TIME IN SECONDS<br>100 1000 10,000<br>**----- End of picture text -----**<br>


2 

Eaton.com/bussmannseries 

Low-Peak™ LPJ Class J 600Vac/300Vdc, 70-600A, dual element, time-delay fuses 

Technical Data 1007 Effective February 2016 

## **Current-limitation curves:** 

## **Current-limiting effects:** 

|A<br>INSTANTANEOUS PEAK-LET-THROUGH CURRENT IN AMPS<br>9000<br>8000<br>7000<br>6000<br>100000<br>5000<br>4000<br>90000<br>3000<br>2000<br>1000<br>80000<br>70000<br>60000<br>50000<br>40000<br>30000<br>20000<br>10000<br>900<br>800<br>700<br>600<br>500<br>400<br>300<br>200<br>100|B<br>100A<br>200A<br>400A<br>600A<br>7000<br>6000<br>4000<br>3000<br>70,000<br>60,000<br>200,000<br>20,000<br>2000<br>40,000<br>100,000<br>50,000<br>10,000<br>5000<br>1000<br>30,000<br>90,000<br>80,000<br>9000<br>8000<br>300,000<br>100<br>400<br>200<br>300<br>700<br>500<br>600<br>900<br>800<br>RMS SYMMETRICAL CURRENT IN AMPS<br>A-B = ASYMMETRICAL AVAILABLE PEAK (2.3 X SYM RMS AMPS)<br>AMP RATING|**Prospective**<br>**S.C.C..**<br>**Let-through current**<br>**(apparent RMS symmetrical vs. fuse rating)**<br>**100A**<br>**200A**<br>**400A**<br>**600A**|
|---|---|---|
|||1000<br>1000<br>1000<br>1000<br>1000|
|||3000<br>2000<br>2000<br>3000<br>3000|
|||5000<br>2000<br>3000<br>5000<br>5000|
|||10,000<br>2000<br>4000<br>6000<br>8000|
|||15,000<br>3000<br>4000<br>7000<br>9000|
|||20,000<br>3000<br>4000<br>7000<br>10,000|
|||25,000<br>3000<br>5000<br>8000<br>10,000|
|||30,000<br>3000<br>5000<br>8000<br>11,000|
|||35,000<br>4000<br>5000<br>9000<br>12,000|
|||40,000<br>4000<br>6000<br>9000<br>12,000|
|||50,000<br>4000<br>6000<br>10,000<br>13,000|
|||60,000<br>4000<br>6000<br>11,000<br>14,000|
|||80,000<br>5000<br>7000<br>12,000<br>15,000|
|||100,000<br>5000<br>8000<br>12,000<br>17,000|
|||150,000<br>6000<br>9000<br>14,000<br>19,000|
|||200,000<br>6000<br>9000<br>16,000<br>21,000|
|||250,000<br>7000<br>10,000<br>17,000<br>23,000|
|||300,000<br>7000<br>11,000<br>18,000<br>24,000|



3 

Eaton.com/bussmannseries 

Low-Peak™ LPJ Class J 600Vac/300Vdc, 70-600A, dual element, time-delay fuses 

Technical Data 1007 Effective February 2016 

The only controlled copy of this data sheet is the electronic read-only version located on the Eaton network drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information  contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. 

## **Eaton** 

1000 Eaton Boulevard Cleveland, OH 44122 Eaton.com 

Bussmann Division 114 Old State Road Ellisville, MO 63021 United States Eaton.com/bussmannseries 

© 2016 Eaton All Rights Reserved Printed in USA Publication No. 1007 — BU-SB13689 February 2016 

Eaton, Bussmann and Low-Peak are valuable trademarks of Eaton in the US and other countries. You are not permitted to use the Eaton trademarks without prior written consent of Eaton. 

CSA is a registered trademark of the Canadian Standards Group. IEC is a registered trademark of the International Electrotechnical Commission. NEMA is a registered trademark of the National Electrical Manufacturers Association. UL is a registered trademark of the Underwriters Laboratories, Inc. 

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## Links

- [View this product on Novapart](https://novapart.co/products/LPJ-250SP/fuse-time-delay-300a-600vac-300vdc)
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- [Supplier page](https://es.farnell.com/en-ES/eaton-bussmann/lpj-250sp/fuse-time-delay-300a-600vac-300vdc/dp/2679329)
---

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