A.不允許開路 B.允許開路 C.不允許短路 D.允許短路
A.20~22mm B.21~23mm C.22~24mm D.23~25mm
A.套筒齒紋保持水平,隔離開關(guān)兩動(dòng)觸指應(yīng)與靜觸頭板同時(shí)接觸 B.閘刀閉合位,距周圍部件距離≥200mm C.動(dòng)觸指間隙,允許少量銼修,測(cè)量動(dòng)觸指壓力應(yīng)為78.4~132.32N D.隔離開關(guān)在閉合位時(shí),測(cè)量動(dòng)觸指間隙≥2mm,.軸線接觸≤5mm,接觸長(zhǎng)度≥15mm