BK/S504-2.5A

**Bussmann[®]** 

**5 x 20mm IEC Minature Fuse Links** 

**S504** 

## **Dimensional Data** 

## CATALOG SYMBOL: S504 

5 x 20mm IEC MINIATURE FUSE LINKS TIME-DELAY 

LOW BREAKING CAPACITY 250 VOLTS AC or less 

U.L. RECOGNIZED, GUIDE JDYX2, File E75865) DESIGNED TO IEC (PUB127) SHEET III CONSTRUCTION 

Glass tube with nickel-plated brass endcaps 

## **Limits for Pre-arcing Time** 

||**1.5 In.**|**2.1 In.**||**2.75 In.**|**2.75 In.**||**4 In.**|**4 In.**||**10 In.**|
|---|---|---|---|---|---|---|---|---|---|---|
|**In**|**MIN**|**MAX**|**MIN**||**MAX**|**MIN**||**MAX**||**MIN**<br>**MAX**|
|32mA - 100mA|60 min.|2 min.|250 ms.|250 ms.|10 s.|40 ms.|||3 s.|10 ms. 300 ms.|
|125mA - 6.13A|60 min.|2 min.|60ms.||10 s.|150 ms.|150 ms.||3 s.|20 ms. 300 ms.|



- Packaging: 100. 

- Weight: 1000 = 0.785kg. 

- Available only in bulk packaging 

Example: BK/S504-1A. 

|**Rated Current**|**Rated Voltage (AC)**|**Breaking Capacity**|**Voltage Drop**|**Power Dissipation         Pre-arcin**|**ation         Pre-arcing Value**|**BSI**|**VDE**|**SEMKO**|**IMQ**|**UR**|
|---|---|---|---|---|---|---|---|---|---|---|
|32mA<br>40mA<br>50mA<br>63mA<br>80ma<br>100mA<br>125mA<br>160mA<br>200mA<br>250mA<br>315mA<br>400mA<br>500mA<br>630mA<br>800mA<br>1A<br>1.25A<br>1.6A<br>2A<br>2.5A<br>3.15A<br>4A<br>5A<br>6.3A|250|35A at<br>250V, 50Hz<br>cosφ ≈0.7 - 0.8|1050<br>920<br>800<br>760<br>580<br>490<br>390<br>320<br>340<br>270<br>250<br>210<br>190<br>170<br>160<br>140<br>120<br>110<br>100<br>100<br>90<br>90<br>90<br>90|0.14<br>0.16<br>0.16<br>0.16<br>0.17<br>0.17<br>0.18<br>0.20<br>0.32<br>0.32<br>0.32<br>0.32<br>0.35<br>0.35<br>0.5<br>0.5<br>0.5<br>0.6<br>0.7<br>0.8<br>0.9<br>1.0<br>1.4<br>1.6|0.0014<br>0.0034<br>0.006<br>0.012<br>0.015<br>0.022<br>0.034<br>0.052<br>0.078<br>0.17<br>0.41<br>0.61<br>0.99<br>1.7<br>3.4<br>4.3<br>6.7<br>0.6<br>14<br>23<br>36<br>64<br>79<br>158<br>240|•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•|•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•|•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•|•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•|•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•|
|||10 x in.<br>250V AC, 50Hz<br>cosφ ≈1.0|||||||||



Form No. S505 Page 1 of 2 BIF Doc #2036 

7-25-01 

**Bussmann[®]** 

**5 x 20mm IEC Minature Fuse Links** 

**S504** 

## **Time-Current Characteristics–Total Clear** 

**==> picture [453 x 481] intentionally omitted <==**

**----- Start of picture text -----**<br>
AMPERE<br>RATING<br>100<br>10<br>1<br>.1<br>.01<br>CURRENT IN AMPERES<br>0.04 0.1 1 10 40<br>32mA 40mA 50mA 63mA 80mA 100mA 125mA 160mA 200mA 250mA 315mA400mA 500mA 630mA 800mA 1A 1.25A 1.6A 2A 2.5A 3.15A 4A 5A 6.3A<br>TIME IN SECONDS<br>**----- End of picture text -----**<br>


The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF 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. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann 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. 

Form No. S505 Page 2 of 2 BIF Doc #2036 

7-25-01