Siemens Simodrive 611 - Page 209

7
05.01
7.1 Line supply fuses, commutating reactors, transformers and main switches
7-209
 Siemens AG 2001 All rights reserved
SIMODRIVE 611 Planning Guide (PJU) – 05.01 Edition
The following operating conditions are permitted:
S Supply voltage 3–ph. 480/440/400 V AC or 3–ph. 220/400 V AC/45...60 Hz
1)
S Temperature range –25

C...40

C (to 55

C with de–rating)
S Degree of protection IP00
S Humidity rating F according to DIN 40040 for transformers and reactors
The maximum current of transformers/reactors is dependent on the ambient
temperature and the installation altitude. The permissible current/power rating of
the transformers and reactors is:
I
n
(PD) reduced = c I
n
(PD)
1)
3–ph. 240 V AC at 60 Hz 5% can be used as input voltage.
Note: The secondary voltage increases and the NE modules should be set to S1.1=ON, refer to Section 6.1.
2) Assigning isolating transformers to I/R modules, refer to Catalog NC 60.
1.1
0.9
0.7
40 50
_C
mNN
1000 2000
c
a)
b)
a) Ambient temperatures above +40 _C
b) Installation heights above 1000 m
Reduction factor c
as a function of:
30
Fig. 7-1 Reduction factor c
Operating
conditions,
all transformers
and reactors
7 Line Supply Connection