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Sediver Suspension Insulator Ratings and Dimensions
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Sediver Suspension Insulator Ratings and Dimensions
CLEVIS-TONGUE TYPE
STANDARD LEAKAGE DISTANCE
BALL-SOCKET TYPE
STANDARD LEAKAGE DISTANCE
BALL-SOCKET TYPE
LONG LEAKAGE DIST.
BALL-SOCKET TYPE
FOR DC APPLICATIONS
CT 4R2 CT 8R2/14R2 CT 8/14 N 8R2/14R2 N 8/14/16 N 8HL/14HL N 16P DC/N 220P DC
Combined M&E Strength (Pounds) 10,00020,000 30,00020,000 30,00020,000 30,00020,000 30,00040,000 20,00030,000 40,00050,000
ANSI Class 52-952-4 52-652-4 52-652-3 52-552-3 52-552-8 52-352-5 52-852-11
Catalog No. CT 4R2CT 8R2 CT 14R2CT 8 CT 14N 8R2 N 14R2N 8 N 14N 16 N 8HLN 14HL N 16P DCN 220P DC
Diameter-Spacing (inches) 5 ¼ × 6 ¼ 10 × 5 ¾ 10 × 5 ¾10 × 5 ¾ 10 × 5 ¾10 × 5 ¾ 10 × 5 ¾10 × 5 ¾ 10 × 5 ¾11 × 5 ¾ 11 ¼ × 5 ¾ 11 ¼ × 5 ¾ 13 × 6 ½13 × 6 ½
Leakage distance (inches) 8 5/811 ½ 11 ½11 ½ 11 ½11 ½ 11 ½11 ½ 11 ½12 17 ½17 21 7/821 5/8
Mechanical Values
Impact Strength (in.-lbs) 400400 400400 400400 400400 400400 400400 400400
Tension Proof (5 sec.) 5,50011,000 16,50011,000 16,50011,000 16,50011,000 16,50022,000 11,00016,500 22,00027,500
Time Load (Pounds) 6,00013,000 20,00013,000 20,00013,000 20,00013,000 20,00025,000 13,00020,000 25,00035,000
Electrical Values
Low Freq. Dry Flashover, kV 6070 7080 8070 7080 8080 100100 ±150 D.C.¹±150 D.C.¹
Low Freq. Wet Flashover, kV 3055 5550 5055 5550 5050 6060 ±65 D.C.¹±65 D.C.¹
Critical Impulse Flashover, Pos. kV 100125 125125 125125 125125 125125 150150
Critical Impulse Flashover, Neg. kV 100125 125130 130125 125130 130130 150150 ±140 D.C.¹
(Dry Impulse)
±140 D.C.¹
(Dry Impulse)
Low Freq. Puncture, kV 90130 130130 130130 130130 130130 130130
Radio-Influence Voltage Data
Low Freq. Test Voltage, kV 7.510 1010 1010 1010 1010 1010 1010
Max. RIV at 1000 kHz, µV 5050 5050 5050 5050 5050 5050 5050
Packed Weight, lbs. 4.110.9 11.49.2 10.010.8 11.28.9 9.614.2 14.615.4 22.824.9
Crate Quantity 16*6 66 66 66 66 66 55
Pallet Quantity 576120 120120 120120 120120 12072 7272 6060
*Cardboard Carton used for packaging ¹ Withstand voltage values