EATON BUSSMANN BK/GBB-2

1 1 ⁄4" x 1 ⁄4" Ceramic Tube Fuses GBB Series, Very Fast-Acting Description • Very fast-acting • Optional axial leads available 1 1 • ⁄4" x 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 Dimensions - mm/in 150% 2 minutes maximum 1 - 20A 250% 1 seconds maximum 38.10 32.82 38.10 400% - (1.500) (1.292) (1.500) 100% None 150% 2 minutes maximum 25, 30A 250% 6 seconds maximum 6.76 DIA. OF LEADS 400% - (0.266) 0.81 0–15 AMP: Agency Information (0.032) 1.02 • UL Recognized Card: 1-30A (JFHR2, E56412) 20–30 AMP: (0.040) • CSA Component Accepted Card: 1-30A 31.75 6.35 (Class 1422-30 File 53787) (1.250) (0.250) Ordering • Specify packaging, product, and option code Specifications Voltage AC Interrupting DC Interrupting Typical DC Cold Typical Part Number Rating Rating (amps)* Rating (amps)* Resistance Voltage Vac Vdc 250Vac 125Vac 125Vdc (ΩΩ)** Drop (V)‡ GBB-1-R 250 125 200 10,000 10,000 0.17750 0.2096 GBB-1-1/4-R 250 125 200 10,000 10,000 0.17900 0.2497 GBB-2-R 250 125 200 10,000 10,000 0.06620 0.1687 GBB-3-R 250 125 200 10,000 10,000 0.04475 0.1816 GBB-4-R 250 125 200 10,000 10,000 0.03175 0.1778 GBB-5-R 250 125 200 10,000 10,000 0.02125 0.1217 GBB-6-R 250 125 200 10,000 10,000 0.01800 0.1324 GBB-7-R 250 125 200 10,000 10,000 0.01550 0.1355 GBB-8-R 250 125 200 10,000 10,000 0.01360 0.1144 GBB-9-R 250 125 200 10,000 10,000 0.01070 0.1218 GBB-10-R 250 125 200 10,000 10,000 0.00934 0.0877 GBB-12-R 250 125 200 10,000 10,000 0.00620 0.0806 GBB-15-R 250 125 200 10,000 10,000 0.00472 0.0735 GBB-20-R 250 125 200 200 200 0.00330 0.0728 GBB-25-R 250 125 200 200 200 0.00252 0.0610 GBB-30-R 250 125 200 200 200 0.00206 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) 2 2 † Typical Melting I t (I 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) 0709 BU-SB09209 Page 1 of 2 Data Sheet 2013 TIME IN SECONDS Time-Current Curve CURRENT IN AMPS CURRENT IN AMPERES CURRENT IN AMPERES CURRENT IN AMPS 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 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. © 2009 Cooper Bussmann St. Louis, MO 63178 www.cooperbussmann.com 0709 BU-SB09209 Page 2 of 2 Data Sheet 2013 TIME IN SECONDS 1 1-1/4 2 3 5 6 7 8 9 10 12 15 20 25 30