Technical Data 2019 Effective May 2017 Supersedes February 2009 GMD 5 mm x 20 mm Time-delay glass tube fuses Agency information * UL Listed, Guide JDYX, File E19180 * UL Recognition Card (4A), Guide JDYX2, File E19180 * CSA Certified, Class 1422-01, File 53787 * PSE/JET, File 1641-31003-1001 Ordering * * Product features * * * * * Time-delay, low breaking capacity Optional axial leads available 5 x 20mm physical size Nickel-plated brass endcap construction Designed to UL/CSA 248-14 Part Number GMD-125-R GMD-150-R GMD-200-R GMD-250-R GMD-300-R GMD-315-R GMD-375-R GMD-400-R GMD-500-R GMD-600-R GMD-630-R GMD-750-R GMD-800-R GMD-1-R GMD-1.2-R GMD-1.25-R GMD-1.5-R GMD-1.6-R GMD-2-R GMD-2.5-R GMD-3-R GMD-4-R Voltage Interrupting Rating (amps) Rating at Rated Voltage (50Hz) Vac 250 Vac 125 Vac 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 35 10,000 250 100 10,000 250 100 10,000 250 100 10,000 250 100 10,000 250 100 10,000 250 100 10,000 250 100 10,000 250 200 10,000 * 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 "V" between catalog series and amp rating. E.g. BK/ GMD-V-250-R With TR2 packaging code, lead wire length is 19.05mm Electrical Characteristics Rated Current % of Amp Rating Opening Time 100% None 135% 60 minutes maximum 100mA - 4A 5 seconds minimum 200% 2 minutes maximum Specifications Typical DC Cold Resistance ()** 8.125 6.065 5.190 3.455 3.215 2.400 1.625 1.505 1.0645 0.948 0.629 0.4425 0.4475 0.3065 0.299 0.1995 0.158 0.124 0.107 0.0905 0.0655 0.048 Typical Melting I 2t (amps) 0.043 0.046 0.200 0.4 0.650 0.890 0.890 1.2 1.4 3.1 3.1 4.7 6.6 12 16 16 25 27 42 94 145 300 Typical Voltage Drop (mV) 1600 1200 1100 950 800 750 650 600 550 450 450 410 380 310 280 245 240 220 200 195 190 190 UL X X X X X X X X X X X X X X X X X X X X X UR Agency Approvals PSE JET X X X X X X X X X * 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) Typical Melting I 2t (I 2t was measured at listed interrupting rating and rated voltage) Typical Voltage Drop (voltage drop was measured at 20C ambient temperature at rated current) CSA X X X X X X X X X X X X X X X X X X X X X GMD 5 mm x 20 mm Time-delay glass tube fuses Technical Data 2019 Effective May 2017 Time-Current Curve Dimensions - mm 38.10mm (.38) 5.54mm (.20) 21.10mm (.81) ( ( 0.5) 5.2mm (+0.1/-0.2) (.38) 0.65mm (REF) Packaging Code Packaging Prefix BK BK1 TR2 Description 100 fuses packed into a cardboard carton 1,000 fuses packed into a poly bag 1,500 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 endcaps Option Code 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. 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. 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 www.eaton.com/electronics (c) 2017 Eaton All Rights Reserved Printed in USA Publication No. 2019 BU-SB08762 May 2017 Eaton is a registered trademark. All other trademarks are property of their respective owners.