... ,100A. 2.Type:OB8-100 NC100 3. No. of pole: 1p, 2p, 3p, 4p. 4. Rated voltage: ... used in AC50/60HZ single pole 230V, two,three, four poles 400V,rated current 63100A,for protecting the circuit from ... overload and short circuit. Meanwhile it is applicableto an unfrequent switch over ... .2. Rated voltage: 230/400V. 3. No. of pole: 1p, 2p, 3p, 4p.4. Mounting mode: Plug ...