1
⁄
4
" x 1
1
⁄
4
" Fuses
GBB Series, Very Fast-Acting, Ceramic Tube
Description
• 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
Electrical Characteristics
Rated Current % of Amp Rating
Opening Time
100%
None
150%
2 minutes maximum
1 - 20A
250%
1 seconds maximum
400%
-
100%
None
150%
2 minutes maximum
25, 30A
250%
6 seconds maximum
400%
-
Dimensions - mm/in
Agency Information
• UL Recognized Card: GBB 1-30A (JFHR2, E56412)
• CSA Component Certified Card
(Class 1422-01 File 53787)
Ordering
• Specify packaging, product, and option code
Specifications
Product Code
GBB-1-R
GBB-1-1/4-R
GBB-2-R
GBB-3-R
GBB-4-R
GBB-5-R
GBB-6-R
GBB-7-R
GBB-8-R
GBB-9-R
GBB-10-R
GBB-12-R
GBB-15-R
GBB-20-R
GBB-25-R
GBB-30-R
*
Voltage
Rating
Vac
Vdc
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
250
125
AC Interrupting
Rating (amps)*
250Vac 125Vac
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
10,000
200
200
200
200
200
200
DC Interrupting
Rating (amps)*
125Vdc
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
200
200
200
Typical DC Cold
Resistance
Ω
(Ω)**
0.17750
0.17900
0.06620
0.04475
0.03175
0.02125
0.01800
0.01550
0.01360
0.01070
0.00934
0.00620
0.00472
0.00330
0.00252
0.00206
Typical
Voltage
Drop (V)‡
0.2096
0.2497
0.1687
0.1816
0.1778
0.1217
0.1324
0.1355
0.1144
0.1218
0.0877
0.0806
0.0735
0.0728
0.0610
0.0657
Interrupting ratings: Interrupting ratings for 1-15A at 125Vdc was measured at 10,000A, 3.5 ms maximum, with time constant. Ratings 20-30A at 125Vdc were measured at 200A, 0.5
ms maximum, with time constant. Ratings 1-15A at 125Vac were measured at 10,000A, and 70% - 80% power factor. The interrupting ratings for 1-30A at 250Vac were measured at
90% - 100% power factor.
** DC Cold Resistance (Measured at <10% of rated current)
† Typical Melting I
2
t (I
2
t 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)
0508
BU-SB08022
Page 1 of 2
Data Sheet 2013
Time-Current Curve
CURRENT IN AMPERES
1
1-1/4
TIME IN SECONDS
3
5
6
7
8
9
10
12
15
20
25
30
2
TIME IN SECONDS
CURRENT IN AMPERES
Packaging
Packaging Code
BK
BK1
Description
100 fuses packed into a cardboard carton
1,000 fuses packed into a cardboard carton
Option Code
Option Code
B
V
Description
Board Washable - Hermetically sealed to withstand aqueous cleaning
Axial leads - copper tinned wire with nickel plated brass overcaps
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann 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. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Cooper 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.
Life Support Policy: Cooper Bussmann does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support
systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in
significant injury to the user.
© 2008 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
0508
BU-SB08022
Page 2 of 2
Data Sheet 2013
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