Electrical installation
Power terminals
Connection to the DC bus (+U
G
, −U
G
)
56
EDBCSXS064 EN 4.0
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.