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North American Standard ranges are available having
both a.c and d.c voltage rating of 130, 250, 500 and 700V. Supplementary
ranges are available for replacement purposes and for special applications,
e.g. higher current ratings. The FA-F ranges at 500V and 700V are
market leaders with state-of-the art designs having exceptionally
low values of I2t let through coupled with the ability to carry
full rated current continuously. |