Lenze ECSCKxxx - Manual (Page 54)

Electrical installation
Power connections
Connection to the DC bus (+U
G
, −U
G
)
4
l
54 EDKCSCK002 DE/EN/FR 1.1
4.2.1 Connection to the DC bus (+U
G
, −U
G
)
ƒ With a total cable length of > 20 m, install an axis module or a capacitor
module directly at the power supply module.
ƒ Twist ±U
G
cables and keep the cable length as short as possible. Pay
attention to short−circuit−proof installation!
ƒ Cable length > 30 cm:
– Shield ±U
G
cables.
Fuses
ƒ When ECS series supply modules with a mains−side protection are used, the
DC−bus supply does not need to be fused.
ƒ When Lenze devices of the 82xx and 93xx series are used in DC−bus
connections with a continuous DC current > 40 A, install the following fuses:
Fuse Holder
Value [A] Lenze type Lenze type
50 EFSGR0500ANIN EFH20007
K
Warnings!
ƒ Use UL−approved cables, fuses and fuse holders only.
ƒ UL fuse:
– Voltage 500 ... 600 V
– Tripping characteristic "H", "K5" or "CC"
Cable cross−sections
Cable length
1)
Wire end ferrule Cable
cross−section Tightening torque Stripping
length
Up to 20 m
Without wire end ferrule 6 mm 2
(AWG 10)
1.2 ... 1.5 Nm
(10.6 ... 13.3 lb−in)
5 mm
With wire end ferrule
> 20 m
Without wire end ferrule
10 mm 2
(AWG 8)
With wire end ferrule
l Use pin−end connectors for
wiring!
1) Cable length from module to module