2a thread class right-hand 1.625" overall length 1.118" overall width 10 thread quantity per inch 20-20 wire size pin contacts in lieu of 20-22 double stub thread series
2a single mounting facility thread class 4.280" overall length 3.500" overall width relay will trip in approx. 1/2 second. relay will not trip unless any phase current exceeds 3.18 amps unc single mounting facility thread series