Lenze ECSEKxxx - Manual (Page 53)

Electrical installation
Power terminals
Connection to the DC bus (+U
G
, -U
G
)
4

53 EDKCSEK002 DE/EN/FR 2.0
4.2.1 Connection to the DC bus (+U
G
, -U
G
)
ƒ If the total cable length is > 20 m, install an axis module or a capacitor
module directly at the power supply module.
ƒ Design the ±U
G
cables twisted and as short as possible. Ensure
short-circuit-proof routing!
ƒ Cable length (module
↔
module) > 30 cm: install shielded ±U
G
cables.
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 or 93xx series
which can supply a continuous current > 40 A, use the following fuses
between the supplying device and the ECS devices:
Fuse Support
Value [A] Lenze type Lenze type
50 EFSGR0500ANIN EFH20007

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-section
Cable
length (mod
ule/module) 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 for screw
connection
10 mm for spring
connection
With insulated wire
end ferrule
> 20 m
Without wire end
ferrule
10 mm 2
(AWG 8)
With insulated wire
end ferrule
Use pin-end
connectors for
wiring!