Lenze Smart Motor m300 - Page 55

Connecon for group drive according to EN 60204-1
L1
L2
L3
N
PE
F1 … F3
K
M
3~
+
A
1
I
N1
PE L1 L2 L3
M
3~
+
A
2
I
N2
PE L1 L2 L3
M
3~
+
A
3
I
N3
PE L1 L2 L3
M
3~
+
A
4
I
N4
PE L1 L2 L3
M
3~
+
A
n
I
Nn
PE L1 L2 L3
Max. total rated mains currents at 40 °C
Cable installaon in
accordance with
EN 60204-1
Main cable
Laying system B2
Cable cross‐secon
mm
2
1.5 2.5 4.0
Stub
Laying system C
Cable cross‐secon
mm
2
1.5 2.5 2.5
Max. current load of cable A 13.1 17.4 21.0
Fuse
Characterisc gG/gL
Typ. rated current A - - -
Max. rated current A 10 16 20
Circuit breaker
Characterisc gRL
Typ. rated current A - - -
Max. rated current A 10 16 20
I
max
≥ I
N1
+ I
N2
+ I
N3
+ I
N...
A 7.6 12.2 17.6
4Rated data ^ 74
•
Use of copper cables insulated with PVC
•
Conductor temperature ≤ 70 °C, ambient temperature ≤ 40 °C
•
No bundling of cables or wires, thee wires under load
•
Typical ulisaon: 80 % of the respecve cable cross‐secon
Sizing of group drive
Example:
Check of the maximum permissible rated mains current considering the specied data and a simultaneity
factor of 100 %.
MSEMAXX063-42 7 drives 12 drives 17 drives
Mains voltage 400 V
Rated current per motor 1 A
Max. rated mains current I
N1
+ I
N2
+ I
N3
+ I
N...
≤ I
max
7 x 1 A = 7 A ≤ 7.6 A 12 x 1 A = 12 A ≤ 12.2 A 17 x 1 A = 17 A ≤ 17.6 A
Electrical installaon
Mains connecon
Connecon according to EN
55