A130UD72TTI315 P301037 1250 V 1300 V 315 A 15 1 kA2s 125 kA2s 126 kA 76 W 3 0 85 kg
A130UD72TTI350 Q301038 1250 V 1300 V 350 A 21 kA2s 170 kA2s 126 kA 77 W 3 0 85 kg
A130UD72TTI400 R301039 1250 V 1300 V 400 A 32 8 kA2s 270 kA2s 126 kA 80 W 3 0 85 kg
A130UD72TTI450 S301040 1250 V 1300 V 450 A 44 2 kA2s 360 kA2s 126 kA 87 W 3 0 85 kg
A130UD72TTI500 T301041 1250 V 1300 V 500 A 57 1 kA2s 465 kA2s 126 kA 94 W 3 0 85 kg
A130UD72TTI550 V301042 1250 V 1300 V 550 A 68 kA2s 550 kA2s 126 kA 110 W 3 0 85 kg
A130UD72TTI630 W301043 1250 V 1300 V 630 A 106 3 kA2s 860 kA2s 126 kA 113 W 3 0 85 kg
A120UD72TTI700 X301044 1100 V 1200 V 700 A 141 9 kA2s 920 kA2s 150 kA 140 W 3 0 85 kg
A120UD72TTI800 Y301045 1100 V 1200 V 800 A 215 1 kA2s 1400 kA2s 150 kA 146 W 3 0 85 kg
A120UD72TTI800
 
HIGH SPEED FUSES FOR SEMICONDUCTOR PROTECTION
EP MERSEN COM 322
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet 
Protistor® size 72 aR
850 to 1250V  / 1300VAC (UL)
SQUARE BODY HIGH-SPEED FUSE-LINKS AC PROTECTION
Size 72 type LI slotted blades
 
 
 
 
 
voltage
 
 
voltage
AC (UL)
 
current
In
Pre-arcing
I2t
Clearing I2t
at  
Voltage
 
breaking
capacity AC
Power
dissipation
 
 
A130UD72LI280 Q300670 1250 V 1300 V 280 A 10 3 kA2s 85 kA2s 126 kA 72 W 3 0 72 kg
A130UD72LI315 R300671 1250 V 1300 V 315 A 15 1 kA2s 125 kA2s 126 kA 76 W 3 0 72 kg
A130UD72LI350 S300672 1250 V 1300 V 350 A 21 kA2s 170 kA2s 126 kA 77 W 3 0 72 kg
A130UD72LI400 T300673 1250 V 1300 V 400 A 32 8 kA2s 270 kA2s 126 kA 80 W 3 0 72 kg
A130UD72LI450 V300674 1250 V 1300 V 450 A 44 2 kA2s 360 kA2s 126 kA 89 W 3 0 72 kg
A130UD72LI500 W300675 1250 V 1300 V 500 A 57 1 kA2s 465 kA2s 126 kA 98 W 3 0 72 kg
A130UD72LI550 X300676 1250 V 1300 V 550 A 68 kA2s 550 kA2s 126 kA 120 W 3 0 72 kg
A120UD72LI630 Y300677 1100 V 1200 V 630 A 106 3 kA2s 690 kA2s 150 kA 125 W 3 0 72 kg
A110UD72LI700 Z300678 1000 V 1100 V 700 A 141 9 kA2s 815 kA2s 167 kA 140 W 3 0 72 kg
A110UD72LI800 A300679 1000 V 1100 V 800 A 215 1 kA2s 1240 kA2s 167 kA 146 W 3 0 72 kg
A110UD72LI800
Size 72 type EF style notched blade connections