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Disc insulator – B and S type,disc insulators T & C type
Disc insulator – B and S type,disc insulators T & C type
Author:Summer   time:2016/2/23 20:27:22  read:1035times

Disc insulator – B and S type and disc insulators T & C type is popular electrical insulators used on the any voltage transmission and distribution power lines.

Disc insulator – B and S type specifications

NO. unit HC-D-1102 B45 HC-D-1102 B70 HC-D-1102 B90
Visible discharge voltage KV 9 9 9
Porcelain diameter mm 255 255 255
Spacing mm 145 145 145
Creepage distance mm 320 320 320
Electro- mechanical strength KN 45 70 90
Power frequency wet flashover voltage KV 65 65 65
Power frequency dry flashover voltage KV 45 45 45
Impulse flashover voltage positive KVp 110 110 110
Impulse flashover voltage negative KVp 120 120 120
Power frequency wet withstand voltage KV 50 50 50
Power frequency dry withstand voltage KV 35 35 35
Impulse withstand voltage KV 105 105 105
Power frequency puncture voltage KV 105 105 105
Net weight (approx.) kgs 4.0 4.5 5.0
Ball socket size mmB 16 16 16

Note: specification as per IS:731, BS:137, IEC:383

Disc insulator – T & C type specifications
Note: specification as per IS:731, BS:137, IEC:383

NO. unit HC-D-1102 T45 HC-D-1102 T70 HC-D-1102 T90
Porcelain diameter mm 255 255 255
Spacing mm 145 145 145
Total Creepage distance mm 320 320 320
Combined Electro mechanical strength KN 45 70 90
Power frequency wet flashover voltage KV 65 65 65
Power frequency dry flashover voltage KVp 45 45 45
Impulse flashover voltage positive KVp 110 110 110
Impulse flashover voltage negative KV 120 120 120
1min Power frequency wet withstand voltage KV 50 50 50
1min Power frequency dry withstand voltage KV 35 35 35
Impulse withstand voltage positive KVp 95 95 95
Impulse withstand voltage negative KVp 100 100 100
Puncture voltage KV 105 105 105
Net weight (approx.) kgs 4.0 4.5 5.0

 

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