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Standard Insulator
 
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:: POST TYPE APPARATUS INSULATOR ::
Post Type TR208 Post Type TR210

Note: 1. All dimensions are in millimeter.
  2. Dimension not specifying tolerance are only reference.
STANDARD
ANSI C29.9
Technical reference number
TR208 TR210
DIMENSION Leakage distance min., inches 24 37
MECHANICAL VALUE Cantilever strength, pounds 2000 2000
Tensile strength, pounds 10000 12000
Compression strength, pounds 10000 15000
Torsional strength, inch-pounds 8000 10000
ELECTRICAL VALUE Critical- impulse flashover,positive,kV 170 225
Impulse withstand voltage,kV 150 200
Low - frequency wet withstand, kV 60 80
RADIO INFLUENCE
VOLTAGE DATA
Low-frequency test voltage,
rms to ground,kV
15 22
Maximum RIV at 1000 kHz,
Radio freed, microvolt
100 100
  Weight of one insulator,kg 14.5 19
Color of insulator BROWN BROWN