Isolating Switch Fuse
Model QSA63 QSA125 QSA160 QSA250 QSA400 QSA630
Number of Main Poles 2,3,4 2,3
Rated Insulation Voltage(V) 1000
Rated Operational Voltage(V) AC:380V 660V DC:220V 440V
Rated Conventional Thermal Current Ith(A) 80 160 160 400 400 800
Rated Enclosed Thermal Current Ith(A) 63 125 160 250 400 630
Rated Operational Current (le)/power AC
380V cos0.35 AC23(A/KW) 63/30 125/75 160/90 250/132 400/200 630/333
380V cos0.35 AC23(A/KW) 63/55 125/110 160/150 250/220 400/375 630/560
Rated Fused Short-Circuit 100(380V)
Current(KAr.m.s) 50(660V)
Max.Fuse-Link(A) 160 400 630
Mechanical Endurance (Operation) 15000 12000 3000
Electrical Endurance (Operations) 1000 300 200
Weight(KG) 1.6 1.7 4.1 4.5 4.7 14.0
Fuse Type NT (RT16)(size) 00 1-2 3
Required Torque (Nm) 7.5 16 60
Auxiliary Switch (380V AC-15)(220V DC-13)(A) 4 6
Switched Neutral Pole Ithe/Ie (220V DC-13)(A/A) 63/63 125/125 160/160 250/250 400/400 --
Neutral Link Ithe(A) 63 125 160 250 400 630
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