cooper bussmann

GMD Series 5x20mm Time-Delay Glass Tube Fuses

  
Description
• 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

Electrical Characteristics
Rated Current  % of Amp Rating  Opening Time 
100mA - 4A  100% None 
135% 60 minutes maximum 
200% 5 seconds minimum 
2 minutes maximum 


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
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

Dimensions - mm

• With TR2 packaging code, lead wire length is 19.05mm

Specifications
Part Number  Voltage Rating Vac  Interrupting Rating (amps) at Rated Voltage (50Hz)  Typical DC Cold Resistance (Ω)** Typical Melting I2t (amps)† Typical Voltage Drop (mV)‡ Agency Approvals 
250 Vac   125 Vac  UL  PSE JET  CSA 
GMD-125-R  250 35 10,000 8.125 0.043 1600  
GMD-150-R  6.065 0.046 1200
GMD-200-R  5.19 0.2 1100
GMD-250-R  3.455 0.4 950
GMD-300-R  3.215 0.65 800
GMD-315-R  2.4 0.89 750
GMD-375-R  1.625 0.89 650
GMD-400-R  1.505 1.2 600
GMD-500-R  1.0645 1.4 550
GMD-600-R  0.948 3.1 450
GMD-630-R  0.629 3.1 450
GMD-750-R  0.4425 4.7 410
GMD-800-R  0.4475 6.6 380
GMD-1-R  0.3065 12 310
GMD-1.2-R  100 0.299 16 280
GMD-1.25-R  0.1995 16 245
GMD-1.5-R  0.158 25 240
GMD-1.6-R  0.124 27 220
GMD-2-R  0.107 42 200
GMD-2.5-R  0.0905 94 195
GMD-3-R  0.0655 145 190
GMD-4-R  200 0.048 300 190 UR   
* 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 I2t (I2t was measured at listed interrupting rating and rated voltage)
‡ Typical Voltage Drop (voltage drop was measured at 20°C ambient temperature at rated current)

Time-Current Curve


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 
Axial leads - copper tinned wire with nickel plated brass endcaps 

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