420kn Tri-shed disc suspension insulator U420BP-205T

Short Description:

420kn Tri-shed disc suspension Ceramic isolators


Product Detail

Product Tags

图纸样板

Disc suspension porcelain insulator
Type XZWP4-160 XZWP4-210 XZWP4-300
Coupling size N.m 20 20/24 24
Dimensions
Spacing(H) mm 155 170 170
Diameter(D) mm 320/330 320/360 400
Leakage distance mm 545/560 545/560 635
Mechanical Values
combined M&E strength kn 160 210 300
Routine tensile load kn 80 105 150
Electrical Values
D.C. withstand voltage (wet) kv 140 140 145
D.C. withstand voltage (Dry) kv 55 55 60
D.C. flashover voltage (wet) kv 155 155 160
D.C. flashover voltage (Dry) kv 60 60 65
Dry lightning impulse withstand voltage kv 140 140 145
Puncture voltage in SF6 kv 210 210 210
Packing and Shipping Data
Net weight,approximate kg 11.8 14.6 22.1

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