5 x 20mm Fast-acting Glass Tube Fuses GMA Series Dimensions - mm 38.10mm 10 (± ±.38) .3 5.54mm (±.20) (± 21.10mm 0m (±.81) 81 (± 5.2mm (+0.1/-0.2) 38.10mm 0m (±.3 38) 0.65mm (REF) Description • Ratings above 6.3A have a 0.8mm diameter lead • With TR2 packaging code, lead wire length is 19.05mm • Fast-acting, low breaking capacity • Optional axial leads available • 5 x 20mm physical size • Glass tube, silver-plated (63mA-315mA) and nickelplated (500mA-15A) brass endcap construction • Designed to UL/CSA 248-14 Electrical Characteristics Rated Current % of Amp Rating Opening Time 100% None 63mA - 15A 135% 60 minutes maximum 200% 2 minutes maximum • • • • Agency Information UL Listed, Guide JDYX, File E19180, 63mA-6A UL Recognized, Guide JDYX2, File E19180, 7-15A CSA Certified, Class 1422-01, File 53787, 63mA-6A PSE Approval, 1A-15A Ordering • Specify packaging, product, and option code Specifications Product Code GMA-63-R GMA-100-R GMA-125-R GMA-200-R GMA-250-R GMA-300-R GMA-315-R GMA-500-R GMA-600-R GMA-750-R GMA-800-R GMA-1-R GMA-1.25-R GMA-1.5-R GMA-1.6-R GMA-2-R GMA-2.5-R GMA-3-R GMA-3.15-R GMA-3.5-R GMA-4-R GMA-5-R GMA-6-R GMA-7-R GMA-8-R GMA-10-R GMA-15-R * ** † ‡ Amp Rating 63mA 100mA 125mA 200mA 250mA 300mA 315mA 500mA 600mA 750mA 800mA 1 1.25 1.5 1.6 2 2.5 3 3.15 3.5 4 5 6 7 8 10 15 Voltage Rating Vac 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 125 125 125 125 125 125 125 125 125 Interrupting Rating (amps)* 250Vac 125Vac 35 10,000 35 10,000 35 10,000 35 10,000 35 10,000 35 10,000 35 10,000 35 10,000 35 10,000 35 10,000 35 10,000 35 10,000 100 10,000 100 10,000 100 10,000 100 10,000 100 10,000 100 10,000 10,000 10,000 10,000 10,000 10,000 200 200 200 150 Typical DC Cold Resistance Ω)** (Ω 15.750 7.840 4.895 2.500 1.735 0.906 0.839 0.454 0.256 0.186 0.170 0.163 0.122 0.090 0.080 0.066 0.046 0.039 0.036 0.030 0.026 0.021 0.017 0.012 0.009 0.006 0.004 Typical Pre-Arc I2t Vac† 0.00024 0.0001 0.0024 0.001 0.018 0.019 0.019 0.15 0.32 0.47 0.70 0.48 0.84 1.6 2.0 3.1 4.9 8.8 9.7 13 19 29 45 150 280 280 950 Maximum Voltage Drop (mV)‡ 4700 4300 2600 3400 2200 470 450 230 200 200 180 300 290 270 260 250 240 215 210 210 205 200 180 110 110 110 100 Interrupting ratings: Interrupting ratings for 63mA - 6A were measured at 70% - 80% power factor on AC. The interrupting ratings for 7A - 15A were measured at 100% power factor on AC. DC Cold Resistance (Measured at <10% of rated current) Typical Pre-Arching I2t (I2t was measured at listed interrupting rating and rated voltage) Maximum Voltage drop (Voltage drop was measured at 20°C ambient temperature at rated current) 0410 BU-SB091174 Page 1 of 2 Data Sheet 2017 Time-Current Curve – GMA-R 63mA-800mA Time-Current Curve – GMA-R 1-15A Packaging Code Packaging Code BK BK1 TR2 Description 100 fuses packed into a cardboard carton 1000 fuses packed into a poly bag 1500 fuses packed into tape on a reel (19.05mm lead wire length) Option Code V Description Axial leads - copper tinned wire with nickel-plated brass overcaps Option Code © 2010 Cooper Bussmann St. Louis, MO 63178 www.cooperbussmann.com 0410 BU-SB091174 Page 2 of 2 Data Sheet 2017