... Between contacts and coil: 2,500V AC b) Between poles: 2,500V AC c) Between open contacts: 2, ... a) Design requirement AR1780 = 500,000 operations b) Minimum test requirement = 1,000,000 operations at 60 operations per minute, ... 40 and 50 RLA (resistive load) b) 250,000 operations make, carry and break 100% pf. 600V ... , break 75 - 80%pf.@240V AC h) 300,000 operations make, carry, break 75 - 80%pf.@600V ...