Page 134 - Ferraz semiconductor DIN

Semiconductor fuses
Semiconductor (AC) fuses

®
Protistor Square-body Fuses
PSC gR sizes 7x - 690 VAC
Main characteristics

Rating Pre-Arcing Total I t PN: Power losses (W) Breaking
2
Voltage Size Type In I t @ 1ms @ 690V End contacts Blades capacities
2
2
(A) kA s kA s 0,8 ln ln 0,8In In (kA)
2
gRB 50 0,12 0,7 9 17 9 17
gRB 63 0,27 1,6 9 18 9 18
gRB 80 0,47 2,8 11 22 11 22
gRB 100 1,06 6,2 12 23 12 23
gRB 125 1,9 11,2 13 26 13 26
70 gRB 160 4,2 25 15 29 15 29
gRB 200 7,5 44 17 33 17 34
gRB 250 13,5 79 20 39 20 40
gRB 315 24 142 23 46 24 47
gRB 350 41 240 23 46 24 47
gRB 125 1,06 6,2 18 35 18 35
gRB 160 2,4 14 19 38 19 38
gRB 200 5 29,5 21 41 21 42
gRB 250 9,5 56 23 46 24 48
gRB 315 18,5 108 27 53 27 54
71 gRB 350 23 140 29 58 30 60
gRB 400 38 225 30 59 31 61
gRB 450 62 360 30 59 31 61
690V gRB 500 78 460 32 64 34 67 150
gRB 200 4,2 25 23 45 23 45
gRB 250 8,5 50 25 49 25 50
gRB 315 17 100 28 55 29 57
gRB 350 23 140 29 58 30 60
gRB 400 34 200 32 63 33 65
72 gRB 450 47 280 34 67 35 70
gRB 500 68 400 35 69 36 72
gRB 550 84 495 38 75 39 78
gRB 630 124 730 41 81 43 86
gRB 700 155 910 45 89 48 95
gRB 315 12 69 33 66 34 67
gRB 350 17 100 34 68 35 69
gRB 400 27 160 36 71 37 73
gRB 450 34 200 40 79 41 82
gRB 500 47 280 42 84 43 86
73 gRB 550 68 400 42 84 44 87
gRB 630 102 600 45 89 47 94
gRB 700 139 820 47 94 50 100
gRB 800 227 1330 48 96 52 104
gRB 900 280 1640 55 109 60 119
gRB 1000 385 2270 58 115 64 127

Time/current characteristics
Cut off characteristics
Total I t and total operating time } see following pages
2
Other curves

SCAC113
12/04