GBB-8-R

Effective May 2017 Supersedes July 2009 

Technical Data **2013** 

## GBB 

## 1⁄4" x 1 1⁄4" Very-fast acting ceramic tube fuses 

## **Agency information** 

- UL Recognized Card: 1-30A (JFHR2, E56412) 

- CSA Component Accepted Card: 1-30A (Class 1422-30 File 53787) 

## **Ordering** 

- Specify packaging, product, and option code 

## **Product features** 

- Very fast-acting 

- Optional axial leads available 

- 1⁄4" x 1 1⁄4" (6.3 x 32mm) physical size 

- Ceramic tube, nickel-plated brass endcap construction 

- 100pc-carton quantity weighs 1.0 lb (0.45 kg) 

• UL Recognized product meets standard 248-14 

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Electrical Characteristics<br>Rated Current % of Amp Rating Opening Time<br>100% None<br>150% 2 minutes maximum<br>1 - 20A<br>250% 1 seconds maximum<br>400% -<br>100% None<br>150% 2 minutes maximum<br>25, 30A<br>250% 6 seconds maximum<br>400% -<br>**----- End of picture text -----**<br>


|**Specifications**<br>~~Pe~~<br>~~eeeee~~|**Specifications**<br>~~Pe~~<br>~~eeeee~~|**Specifications**<br>~~Pe~~<br>~~eeeee~~|**Specifications**<br>~~Pe~~<br>~~eeeee~~|**Specifications**<br>~~Pe~~<br>~~eeeee~~|**Specifications**<br>~~Pe~~<br>~~eeeee~~|**Specifications**<br>~~Pe~~<br>~~eeeee~~|**Specifications**<br>~~Pe~~<br>~~eeeee~~|
|---|---|---|---|---|---|---|---|
|**Part Number**<br>~~Pe~~<br>~~a~~|**Voltage**<br>**Rating**<br>~~Pe~~<br>~~a~~||**AC Interrupting**<br>**Rating (amps)***<br>~~Pe~~<br>~~a~~||**i**<br>**DC Interrupting**<br>**Rating (amps)***<br>**125Vdc**<br>~~Pe~~<br>~~a~~<br>~~ee~~|**Typical DC Cold**<br>**Resistance**<br>**(**Ω**)****<br>~~Pe~~<br>~~a~~<br>~~eee~~|**Typical**<br>**Voltage**<br>**Drop (V)‡**<br>~~Pe~~<br>~~a~~<br>~~eee~~|
||**Vac**<br>~~a~~|**Vdc**<br>~~a~~|**250Vac**<br>~~a~~|**125Vac**<br>~~a~~||||
|**GBB-1-R**<br>~~a~~<br>~~PT~~|250<br>~~a~~<br>~~PT~~|125<br>~~a~~<br>~~PT~~|200<br>~~a~~<br>~~PT~~|10,000<br>~~a~~<br>~~PT~~|10,000<br>~~a~~<br>~~ee~~<br>~~PT~~|0.17750<br>**()**<br>~~a~~<br>~~eee~~<br>~~PT~~|**p()‡**<br>0.2096<br>~~a~~<br>~~eee~~<br>~~PT~~|
|**GBB-1-1/4-R**<br>~~PT~~<br>~~—————~~|250<br>~~PT~~<br>~~—————~~|125<br>~~PT~~<br>~~—————~~|200<br>~~PT~~<br>~~—————~~|10,000<br>~~PT~~<br>~~—————~~|10,000<br>~~ee ~~<br>~~PT~~<br>~~—————~~|0.17900<br> ~~eee~~<br>~~PT~~<br>~~—————~~|0.2497<br>~~eee~~<br>~~PT~~<br>~~—————~~|
|**GBB-2-R**<br>~~—————~~|250<br>~~—————~~|125<br>~~—————~~|200<br>~~—————~~|10,000<br>~~—————~~|10,000<br>~~—————~~|0.06620<br>~~—————~~|0.1687<br>~~—————~~|
|**GBB-3-R**<br>~~————————————~~|250<br>~~————————————~~|125<br>~~————————————~~|200<br>~~————————————~~|10,000<br>~~————————————~~|10,000<br>~~————————————~~|0.04475<br>~~————————————~~|0.1816<br>~~————————————~~|
|**GBB-4-R**<br>~~————————————~~|250<br>~~————————————~~|125<br>~~————————————~~|200<br>~~————————————~~|10,000<br>~~————————————~~|10,000<br>~~————————————~~|0.03175<br>~~————————————~~|0.1778<br>~~————————————~~|
|**GBB-5-R**<br>~~————————————~~<br>~~————————————~~|250<br>~~————————————~~<br>~~————————————~~|125<br>~~————————————~~<br>~~————————————~~|200<br>~~————————————~~<br>~~————————————~~|10,000<br>~~————————————~~<br>~~————————————~~|10,000<br>~~————————————~~<br>~~————————————~~|0.02125<br>~~————————————~~<br>~~————————————~~|0.1217<br>~~————————————~~<br>~~————————————~~|
|**GBB-6-R**<br>~~————————————~~|250<br>~~————————————~~|125<br>~~————————————~~|200<br>~~————————————~~|10,000<br>~~————————————~~|10,000<br>~~————————————~~|0.01800<br>~~————————————~~|0.1324<br>~~————————————~~|
|**GBB-7-R**<br>~~a~~|250<br>~~a~~|125|200<br>~~a~~|10,000<br>~~a~~|10,000|0.01550|0.1355|
|**GBB-8-R**<br>~~a~~|250<br>~~a~~|125|200<br>~~a~~|10,000<br>~~a~~|10,000|0.01360|0.1144|
|**GBB-9-R**<br>~~————————————~~<br>~~——~~|250<br>~~————————————~~|125<br>~~————————————~~|200<br>~~————————————~~|10,000<br>~~————————————~~|10,000<br>~~————————————~~|0.01070<br>~~————————————~~|0.1218<br>~~————————————~~|
|**GBB-10-R**<br>~~————————————~~<br>~~——~~|250<br>~~————————————~~|125<br>~~————————————~~|200<br>~~————————————~~|10,000<br>~~————————————~~|10,000<br>~~————————————~~|0.00934<br>~~————————————~~|0.0877<br>~~————————————~~|
|**GBB-12-R**<br>~~——~~|250|125|200|10,000|10,000|0.00620|0.0806|
|**GBB-15-R**<br>~~——~~|250|125|200|10,000|10,000|0.00472|0.0735|
|**GBB-20-R**<br>~~——~~<br>~~—————————————~~|250<br>~~—————————————~~|125<br>~~—————————————~~|200<br>~~—————————————~~|200<br>~~—————————————~~|200<br>~~—————————————~~|0.00330<br>~~—————————————~~|0.0728<br>~~—————————————~~|
|**GBB-25-R**<br>~~——~~<br>~~—————————————~~|250<br>~~—————————————~~|125<br>~~—————————————~~|200<br>~~—————————————~~|200<br>~~—————————————~~|200<br>~~—————————————~~|0.00252<br>~~—————————————~~|0.0610<br>~~—————————————~~|
|**GBB-30-R**<br>~~—————————————~~|250<br>~~—————————————~~|125<br>~~—————————————~~|200<br>~~—————————————~~|200<br>~~—————————————~~|200<br>~~—————————————~~|0.00206<br>~~—————————————~~|0.0657<br>~~—————————————~~|



- ** DC Cold Resistance (Measured at <10% of rated current) 

- Typical Melting I 2t (I2t was measured at listed interrupting rating and rated voltage) Interrupting ratings were measured at 70% to 80% power factor on AC. 

- Typical Voltage drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current) 

Technical Data 2013 Effective May 2017 

## **Dimensions - mm/in** 

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38.10 32.82 38.10<br>(1.500) (1.292) (1.500)<br>6.76 DIA. OF LEADS<br>(0.266) 0.81<br>0–15 AMP:<br>(0.032)<br>1.02<br>20–30 AMP:<br>(0.040)<br>31.75 6.35<br>(1.250) (0.250)<br>**----- End of picture text -----**<br>


## **Time-Current Curve** 

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Current in Amps<br>Current in Amps<br>1 1-1/4 2 3 5 6 7 8 9 10 12 15 20 25 30<br>TIME  IN  SECONDS<br>TIME  IN  SECONDS<br>**----- End of picture text -----**<br>


|**Packaging**|**Packaging**|
|---|---|
|**Packaging Code**|**Description**|
|**BK**|100 fuses packed into a cardboard carton|
|**BK1**|1,000 fuses packed into a cardboard carton|
|||
||**Option Code**|
|**Option Code**|**Description**|
|**B**|Sealed to withstand aqueous cleaning (board washable)|
|**V**|Axial leads - copper tinned wire with nickel plated brass overcaps|



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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. 

## **Eaton** 

**Electronics Division** 1000 Eaton Boulevard Cleveland, OH 44122 United States www.eaton.com/electronics © 2017 Eaton All Rights Reserved Printed in USA Publication No. 2013 BU-SB09209 May 2017 

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