Lenze 8400 - Manual (Page 29)

Technical data
General data and operating conditions
4

29 EDS84ASC552 EN 9.1
Requirements on the motor cable
Capacitance per unit length
 2.5 mm 2 /AWG 14 C
Core/core
/C
Core/shield
< 75/150 pF/m
 4 mm 2 /AWG 12 C
Core/core
/C
Core/shield
< 150/300 pF/m
Electric strength
VDE 0250-1 U
0
/U
=
0.6/1.0 kV
(U
0
= r.m.s. value external - conductor/PE,
U = r.m.s. value - external conductor/external conductor)
UL U  600 V
(U = r.m.s. value external conductor/external conductor)
Motor cable lengths without considering EMC limit values
Maximum motor cable length 1) , (shielded)
U
rated
P
rated
after switching frequencies
[V] [kW] 4 [kHz] 8 [kHz] 16 [kHz]
230 0.25 ... 2.2 50 m 50 m 50 m
400 0.37 ... 2.2 50 m 50 m 25 m
500 0.37 ... 2.2 50 m 25 m 15 m 2)
400/500 3 ... 15 50 m 50 m 50 m
400/500 18.5 ... 45 100 m 100 m 100 m
1) If EMC conditions must be complied with, the permissible cable lengths may be shorter.
2) At ambient temperatures of over 45 °C, only 13 m are permissible.
Motor cable lengths with interference suppression
Compliance with category C2 (industry), cable-guided
Motor cable length (shielded)
after interference suppression and required earth-leakage circuit breaker
U
rated
P
rated
Integrated With SD filter With LD filter With LD and
sinusoidal filter
[V] [kW] 30 mA FI 300 mA FI 30 mA FI - FI 300 mA FI - FI - FI
230 0.25 ... 2.2  25 m - 25 m 25 - 50 m 25 - 50 m - 50 - 100 m
400/500 0.37 ... 2.2  25 m - 25 m 1) 25 - 50 m 1) 25 - 50 m 1) - 50 - 100 m
400/500 3.0 ... 15 -  25 m 25 m 25 - 50 m 25 - 50 m - 50 - 100 m
400/500 18.5 ... 45 -  25 m - - 25 - 50 m 50 - 100 m -
1) Observe switching frequency-dependent restrictions according to table ”Motor cable lengths without considering EMC
limit values”
Device-dependent filter assignments: See chapter ”Accessories”, 11.3 and 11.4
Compliance with category C1 (residential areas, public systems), cable-guided