Effective April 2020 Technical Data 2019 Supersedes May 2017 GMD 5 mm x 20 mm Time-delay glass tube fuses Agency information UL Listed, Guide JDYX, File E19180 UL Recognition Card (4 A), Guide JDYX2, File E19180 CSA Certified, Class 1422-01, File 53787 PSE/JET, File 1641-31003-1001 Ordering Specify product code: Insert packaging code prefix before part number. E.g. BK-GMD-250-R Specify option code if desired: For axial leads, insert Product features V between catalog series and amp rating. E.g. BK-GMD-V-250-R Time-delay, low breaking capacity With TR2 packaging code, lead wire length is 19.05mm Optional axial leads available 5 x 20 mm physical size Electrical characteristics Nickel-plated brass endcap construction Rated current % of Amp rating Opening time Designed to UL/CSA 248-14 100% None 135% 60 minutes maximum 125 mA - 4 A 5 seconds minimum 200% 2 minutes maximum Speci cations Voltage Interrupting rating (A) Typical DC Typical Typical Agency approvals 2 Part number rating at rated voltage (50 Hz) cold resistance voltage UL PSE CSA melting I t 2 Vac 250 Vac 125 Vac ()** (A s) drop (mV) JET GMD-125-R 250 35 10,000 9.91 0.043 1800 X X GMD-150-R 250 35 10,000 6.065 0.046 1200 X X 3.215 GMD-200-R 250 35 10,000 0.20 1100 X X GMD-250-R 250 35 10,000 2.400 0.40 950 X X GMD-300-R 250 35 10,000 1.625 0.65 800 X X 1.555 GMD-315-R 250 35 10,000 0.89 750 X X GMD-375-R 250 35 10,000 1.0645 0.89 650 X X GMD-400-R 250 35 10,000 0.948 1.2 600 X X 0.629 GMD-500-R 250 35 10,000 1.4 550 X X GMD-600-R 250 35 10,000 0.4425 3.1 450 X X GMD-630-R 250 35 10,000 0.4475 450 X X 3.1 GMD-750-R 250 35 10,000 0.3065 4.7 410 X X GMD-800-R 250 35 10,000 0.299 6.6 380 X X X GMD-1-R 250 35 10,000 0.1995 310 X X X 12 GMD-1.2-R 250 100 10,000 0.158 16 280 X X X GMD-1.25-R 250 100 10,000 0.124 16 245 X X X GMD-1.5-R 250 100 10,000 0.107 240 X X X 25 GMD-1.6-R 250 100 10,000 0.905 27 220 X X X GMD-2-R 250 100 10,000 0.655 42 200 X X X GMD-2.5-R 250 100 10,000 0.48 195 X X X 94 GMD-3-R 250 100 10,000 0.37 145 190 X X X GMD-4-R 250 200 10,000 0.28 190 UR X 300 * Interrupting ratings (Interrupting ratings for 125mA - 3A were measured at 70% - 80% power factor on AC. The interrupting ratings for 4A were measured at 100% power factor on AC) ** Typical 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) Typical voltage drop (voltage drop was measured at +20 C ambient temperature at rated current)GMD Technical Data 2019 Effective April 2020 5 mm x 20 mm Time-delay glass tube fuses Time-Current Curve Dimensions - mm 38.10mm (.38) 5.54mm (.20) 21.10mm (.81) ( ( 00.5) 5.2mm (.38) (+0.1/-0.2) 0.65mm (REF) Packaging code Packaging prefix Description BK 100 fuses packed into a cardboard carton BK1 1,000 fuses packed into a poly bag TR2 1,500 fuses packed into tape on a reel (19.05mm lead wire length) Option code Option code Description V Axial leads - copper tinned wire with nickel plated brass endcaps Life Support Policy: Eaton 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. Lif e 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. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Eaton Electronics Division 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com/electronics Follow us on social media to get the 2020 Eaton Eaton is a registered trademark. latest product and support information. All Rights Reserved Printed in USA All other trademarks are property Publication No. 2019 of their respective owners. April 2020