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Station Post Insulator

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Class ANSI TR 208 TR 210 TR 214 TR 216 TR 286 TR 288 TR 289 TR 304 TR312
Catalog Number MITR
208
MITR
210
MITR
214
MITR
216
MITR
286
MITR
288
MITR
289
MITR
304
MITR
312
Leakage Distance (in) 24 37 43 72 99 116 116 165 198
Cantilever Strength (lb) 2,000 1,000 2,000 1,500 2,000 1,450 2,450 1,000 1,000
Tensile Strength (lb) 10,000 12,000 14,000 16,000 20,000 20,000 25,000 20,000 20,000
Torsional Strenght (in.-lb.) 8,000 10,000 12,000 15,000 60,000 60,000 90,000 60,000 60,000
Compression Strength (lb) 10,000 15,000 15,000 25,000 60,000 60,000 90,000 60,000 60,000
Critical Impulse Flash. Volt., Pos.(kV) 170 225 280 390 610 710 710 1,010 1,210
Withstand
Voltage
Low Frequency, Wet kV 60 80 100 145 230 275 275 385 455
Impulse kV 150 200 250 350 550 650 650 900 1,050
Radio-Infl. Volt. Data Test Volt. to Ground kV 15 22 30 44 73 88 88 146 146
Max RIV @ 1000 kHz/μV 100 100 200 200 200 200 200 500 500
Net Weight (lb) 27 34 50 74 143 167 203 270 306