6 | Storage STOBER
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12/2018 | ID 442537.05
6 Storage
Store the products in a dry and dust-free room if you do not install them immediately.
Observe the Transport and storage conditions [}19] specified in the technical data.
6.1 Drive controller
The DC link capacitors can lose their electrical strength due to long storage times.
This property does not apply to size 3 DC link capacitors. Therefore, size 3 drive controllers do
not require reforming even after prolonged storage periods.
ATTENTION!
Material damage due to reduced electrical strength!
Reduced electrical strength can cause considerable material damage when switching on the
drive controller.
▪ Reform drive controllers in storage annually or before commissioning.
6.1.1 Annual reforming
To prevent damage to stored drive controllers, STOBER recommends connecting stored
devices to the supply voltage once per year for one hour.
The following graphics show the basic line connection for 1-phase and 3-phase devices.
L1–L3 Lines 1 to 3
N Neutral conductor
PE Grounding conductor
F1 Fuse
T1 Drive controller
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