8.7.1 Fusing
External regen fusing FB1/FB2 (➜ # 95). DC bus link fusing depends on topology (see (➜ # 93)).
Wiring
topology
Ampere
rating@240V
Ampere
rating@480V Example Eaton: Example Mersen:
AKD2G-Sxx-6V
Group: Fgroup max. 30 A na DFJ-30 HP6M30
Busbar: Fbus max. 15 A na DFJ-15 HP6M15
AKD2G-Sxx-7V
Group: Fgroup max. 30 A FWP-30B HP10M30
Busbar: Fbus max. 15 A FWP-15B HP10M15
8.7.2 Wiring example with T connectors
Note: T connectors are not available for 7V24 drives.
Without DC Bus fuses, other devices can become damaged or destroyed if, for example, a device fails due to an
internal short circuit. If multiple drives are connected in parallel, then it is usual to insert DC Bus fuses (Fgroup)
between groups of drives (with a group consisting of two or three devices, depending on the current) in order to limit
any possible resulting damage. Fgroup fuses cannot avoid damage by current peaks completely.
AKD2G-S Installation Manual, Safety 1
Kollmorgen | kdn.kollmorgen.com | June, 2023 93
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