Used on type no. ra-53-c. 2b single mounting facility thread class 2.650" overall length 1.719" overall width unc single mounting facility thread series
2b single mounting facility thread class 1.560" overall length 0.810" overall width main contact current rating ac unc single mounting facility thread series
2b single mounting facility thread class 4.000" overall length 2.250" overall width windings connected in series unc single mounting facility thread series