Bussmann GBB Series Data Sheet
Description
• Very fast-acting
• Optional axial leads available
• 1/4" x 1-1/4" (6.3mm 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
• RoHS Compliant version available (-R option)
ELECTRICAL CHARACTERISTICS
Rated Current % of Amp Rating Opening Time
100% None
1 - 20A
150% 2 minutes maximum
250% 1 seconds maximum
400% 100% None
25, 30A
150% 2 minutes maximum
250% 6 seconds maximum
400% -
Agency Information
• UL Recognized Card: GBB 1-30A (JFHR2, E56412)
• CSA Component Certified Card
(Class 1422-01 File 53787)
Ordering
• Specify product code, option code and packaging code
1/4" x 1-1/4" Fuses
GBB Series Very Fast Acting, Ceramic Tube
m
Dimensions
m
⁄(inches)
SPECIFICATIONS
Voltage AC Interrupting DC Interrupting Typical DC Cold Typical Typical
Product Code Rating Rating* Rating* Resistance Melt I
AC DC 250V 125V 125V (ohms)** AC DC Drop (V)‡
GBB-1 250V 125V 200A 10,000A 10,000A 0.17750 - - 0.17750
GBB-1-1/4 250V 125V 200A 10,000A 10,000A 0.17900 - - 0.17900
GBB-2 250V 125V 200A 10,000A 10,000A 0.06620 - - 0.07000
GBB-3 250V 125V 200A 10,000A 10,000A 0.04475 - - 0.04475
GBB-4 250V 125V 200A 10,000A 10,000A 0.03175 - - 0.03175
GBB-5 250V 125V 200A 10,000A 10,000A 0.02125 - - 0.02125
GBB-6 250V 125V 200A 10,000A 10,000A 0.01800 - - 0.01800
GBB-7 250V 125V 200A 10,000A 10,000A 0.01550 - - 0.01550
GBB-8 250V 125V 200A 10,000A 10,000A 0.01360 - - 0.01360
GBB-9 250V 125V 200A 10,000A 10,000A 0.01070 - - 0.01070
GBB-10 250V 125V 200A 10,000A 10,000A 0.00934 - - 0.00934
GBB-12 250V 125V 200A 10,000A 10,000A 0.00620 - - 0.08620
GBB-15 250V 125V 200A 10,000A 10,000A 0.00472 - - 0.00472
GBB-20 250V 125V 200A 200A 200A 0.00330 - - 0.00365
GBB-25 250V 125V 200A 200A 200A 0.00252 - - 0.00252
GBB-30 250V 125V 200A 200A 200A 0.00206 - - 0.00206
* 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
‡ Typical Voltage drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current)
2
t (I2t was measured at listed interrupting rating and rated voltage) Interrupting ratings were measured at 70% to 80% power factor on AC.
2
t † Voltage
TIME IN SECONDS
TIME IN SECONDS
CURRENT IN A MPERES
CURRENT IN AMPERE
S
1-1/4
1
2
25
9
6
3
5
7
8
15
10
1
2
2
0
30
GBB Series Very Fast Acting, Ceramic Tube
TIME CURRENT CURVE
1/4" x 1-1/4" Fuses
OPTION CODE
Option Code Description
B Board Washable - Hermetically sealed to withstand aqueous cleaning
V Axial leads - copper tinned wire with nickel plated brass overcaps
-R RoHS compliant v
Packaging Code Description
ersion
P
CKA
A
BK 100 pieces of fuses packed into a cardboard carton
ed into a cardboard car
BK1 1,000 pieces of fuses pac
k
GING CODE
ton
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