美国glastic 电器绝缘子 1872系列
采用含玻璃纤维增强的热固性塑料制成，具有高阻燃性、高介电强度、强耐电痕性及强耐电弧性，已通过ul认证，它们广泛应用于各个方面。
1872 series
physical and electrical properties
tensile strength (lbs.) 2,500
cantilever strength (inch lbs.) 3,000
compression strength (lbs.) 25,000
torque strength (ft. lbs.) 35
arc resistance (sec.) 180
ul subject 94 flame resistance 94 v-o
height tolerance (in.) ± .015
creep distance (in.) 5/16 plus insulator height
dry hi-pot (volts) nema specs. —-
dew hi-pot (volts) nema specs. —-
impulse —-
(volts, 1.5 x 40 wave)
track resistance (minutes) 600
close details
dimensions
part no. height thread size suggested indoor voltage rating short time electrical strength kv weight pound type availability
1872-1a 2-1/2” 3/8” x 16 x 9/16” deep 3200 51.4 0.44 s
1872-2a 2-1/2” 1/2” x 13 x 5/8” deep 3200 51.4 0.45 c
1872-3f 2-5/8” 5/8” x 11 x 11/16” deep 3400 —- 0.60 s
1872-1b 2-3/4” 3/8” x 16 x 9/16” deep 3600 —- 0.53 s
1872-2b 2-3/4” 1/2” x 13 x 5/8” deep 3600 —- 0.51 c
1872-1c 3” 3/8” x 16 x 9/16” deep 4100 —- 0.59 s
1872-2c 3” 1/2” x 13 x 5/8” deep 4100 —- 0.60 s
1872-1d 3-1/4” 3/8” x 16 x 9/16” deep 4500 —- 0.67 s
1872-2d 3-1/4” 1/2” x 13 x 5/8” deep 4500 —- 0.67 c
1872-1e 3-1/2” 3/8” x 16 x 9/16” deep 5000 55.2 0.76 s
1872-2e 3-1/2” 1/2” x 13 x 5/8” deep 5000 55.2 0.58 c
1872-3e 3-1/2” 5/8” x 11 x 11/16” deep 5000 55.2 0.74 c
s= stock item c= custom order

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