Electrical installation
Power terminals
Connection to the DC bus (+U
G
, −U
G
)
5
55
EDBCSXM064 EN 11.0
Fuses
ƒ Mains fuses are not included in the Lenze delivery program. Use standard fuses.
ƒ When using ECSxE power supply modules which are fused on the supply side the
DC−bus supply need not be fused.
ƒ When ECS axis modules are supplied by devices of the 82xx and 93xx series with a
continuous DC current > 40 A, install the following fuses between the supplying
device and the ECS devices:
Fuse Support
Value [A] Lenze type Lenze type
50 EFSGR0500ANIN EFH20007
ƒ Observe the national and regional regulations (VDE, UL, EVU, ...).
Warnings!
ƒ Use UL−approved cables, fuses and fuse holders only.
ƒ UL fuse:
– Voltage 500 ... 600 V
– Tripping characteristic "H", "K5" or "CC"
Replacing defective fuses
Danger!
Hazardous electrical voltage
Components can carry hazardous voltages up to 3 minutes after power−off.
Possible consequences:
ƒ Death or severe injuries when touching the device.
Protective measures:
ƒ Replace fuses in the deenergised state only.
– Set controller inhibit (CINH) for all axis modules in DC−bus operation and
disconnect all power supply modules from the mains.
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