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ABB VD4 Product Manual
Also see for VD4 Series: Installation and service instructionsInstruction manualInstallation and service instructionsOperating manualInstruction manual
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112.4 Permissible number of vacuum interrupter switching operations0,0550,1 0,2 0,3 0,4 0,5 0,6 0,8 167810234567810 223456781032345678423456781052 3 4 5 6 7 8 109 20 30 40 5010Breaking current la (kA)Number of operating cycles n0,0550,1 0,2 0,3 0,4 0,5 0,6 0,8 167810234567810 223456781032345678423456781052 3 4 5 6 7 8 109 20 30 40 5010Breaking current la (kA)Number of operating cycles n0,0550,1 0,2 0,3 0,4 0,5 0,6 0,8 167810234567810 223456781032345678423456781052 3 4 5 6 7 8 109 20 30 40 5010Breaking current la (kA)Number of operating cycles n0,0550,1 0,2 0,3 0,4 0,5 0,6 0,8 167810234567810 223456781032345678423456781052 3 4 5 6 7 8 109 20 30 40 5010Breaking current la (kA)Number of operating cycles nDiagram C) Diagram D)Diagram A) Diagram B)Figure 2/9: Permissible number of vacuum interrupter operating cycles n as a function of the breaking current I a.(Reference see section 2.1 and 3.1 – Technical data page 6 and 17) |
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