2b single mounting facility thread class 1.620" overall length 1.500" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
12.000" overall length 9.000" overall width for 3 pole, 250 amp, 500v breaker; major components: 1 current limiting fuse housing assy; mtg configuration: four 9/32 in. dia mtg holes, 3 in. by 9-3/4 in. mtg centers; depth: 6.813 in. nom
2a single mounting facility thread class 0.380" single mounting facility thread length 2.490" overall length circular wafer, bushing mount unef single mounting facility thread series