1/4" x 1-1/4" Fuses GBB Series Very Fast Acting, Ceramic Tube Description * Very fast-acting * 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 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 (inches) 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 SPECIFICATIONS Product Code GBB-1 GBB-1-1/4 GBB-2 GBB-3 GBB-4 GBB-5 GBB-6 GBB-7 GBB-8 GBB-9 GBB-10 GBB-12 GBB-15 GBB-20 GBB-25 GBB-30 Voltage Rating AC DC 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V 250V 125V AC Interrupting Rating* 250V 125V 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 10,000A 200A 200A 200A 200A 200A 200A DC Interrupting Rating* 125V 10,000A 10,000A 10,000A 10,000A 10,000A 10,000A 10,000A 10,000A 10,000A 10,000A 10,000A 10,000A 10,000A 200A 200A 200A Typical DC Cold Resistance (ohms)** 0.17750 0.17900 0.07000 0.04475 0.03175 0.02125 0.01800 0.01550 0.01360 0.01070 0.00934 0.00620 0.00472 0.00365 0.00252 0.00206 Typical Melt I2t AC DC - Typical Voltage Drop (V) 0.17750 0.17900 0.07000 0.04475 0.03175 0.02125 0.01800 0.01550 0.01360 0.01070 0.00934 0.08620 0.00472 0.00365 0.00252 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 I2t (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 25C3C ambient temperature at rated current) 1/4" x 1-1/4" Fuses GBB Series Very Fast Acting, Ceramic Tube TIME CURRENT CURVE 2 3 5 6 7 8 9 10 12 15 20 25 30 TIME IN SECONDS TIME IN SECONDS 1 1-1/4 CURRENT IN AMPERES CURRENT IN AMPERES OPTION CODE Option Code B V Description Board Washable - Hermetically sealed to withstand aqueous cleaning Axial leads - brass overcaps with copper and nickel flash, plated in tin lead PACKAGING CODE Packaging Code BK BK1 OC-2593 5/03 (c) Cooper Electronic Technologies 2003 Description 100 pieces of fuses packed into a cardboard carton 1,000 pieces of fuses packed into a cardboard carton Visit us on the Web at www.cooperET.com 3601 Quantum Boulevard Boynton Beach, Florida 33426-8638 Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax: +1-561-742-1178 This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Electronic Technologies 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.