... :230Vac(1P), 400Vac(2/3/4P)Characteristic Curve:B, C, DNo. of Pole:1P, 2P, 3P, 4PBreaking Capacity ... s) Used Condition Spring tension tester TLS-S1000 2 10.0 Acceptable Rockwell hardness tester HR-150A 1 10.0 ... bench JINGHUA 16 8.0 Acceptable DC resistance tester TH2512B 1 8.0 Acceptable Current character test ... , 16A, 20A, 25A, 32A, 40A, 50A, 63A; B, C, D type characteristics; Ics: 7.5 kA, Icn: 10 kA ...