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Standard Strength

MPS offers standard strength silicone station posts. These station posts meet the mechanical heights and comparable electrical performance of their porcelain TR numbers. This means they can be used as direct replacements in most cases. These weigh about 1/3 the weight of porcelain and offer excellent hydrophobic properties.

Description

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Catalog Number Porcelain TR Line Voltage BIL Rating Height Cantilever MWL @ 40% (lbs) Weight Lbs (kg) SML (lbs) Compression Leakage (in) Deflection @ TR MWL CIFO+ (kV) Low Freq. Wet Withstand (min) Critical Impulse Withstand (min)
NAA100XH16S0 278 69 350 30.0 3000 1200 38 4400 25000 72.0 0.7 390 180 390
NAA100XH23S0 287 115 550 45.0 2600 1040 46 2800 12000 106.1 2.9 610 300 610
NAA100XH29S0 289 138 650 54.0 2200 880 49 2300 8000 133.7 4.0 710 380 710
P2 50 50 053 BX SS 026 295 161 750 62.0 1850 740 60 2000 6000 156.7 4.8 810 450 810
P2 53 53 070 BB SS 033 308 230 900 80.0 1450 580 52 1600 3400 211.8 7.6 1010 590 1010
NPP20XG05S 202 7.5 95 7.5 2000 800 6 2000 10000 12.7 0.1 105 30 105
NPP20XG07S 205 15 110 10 2000 800 7 2000 10000 20.5 0.1 125 45 125
NPP20XG11S 208 23 150 14.0 2000 800 9 2000 10000 32.2 0.2 170 60 170
NPP20XG15S 210 34.5 200 18.0 2000 800 10 2000 10000 43.9 0.7 225 80 225
NPP20XG19S 214 46 250 22.0 2000 800 12 2000 10000 55.6 0..8 280 100 280
NPP20XG27S 216 69 350 30.0 1500 600 17 1500 7500 77.0 1.5 390 145 390

* For example, when replacing a TR 288 porcelain unit with a composite insulator, the given composite insulator deflection (2.6 inches) is measured at 560 lbs (40% of the TR 288's rated 1400 lbs)
Tensile Strength for NPP20XG series is 16000 lbs.  Tensile Strength for NAA100XH series is 17500 lbs.
Torsoin Strength for NPP20XG series is 12000 inches/lb.  Torsion Strength for NAA100XH series is 32000 inches/lb.

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