Siemens SICROWBAR 7VV3003 - Page 13

04.05 3 - Description
Siemens AG 7VV3003-8TA74 ENGLISH 13
SICROWBAR 7VV3003 DC-Surge Suppressor Operating Instructions
Order No. 7VV3003- 5JG32 5KG32 5LG32 5MG32
Igniting voltage V
1600
±100 2200 ±150 2600 ±150 3000 ±150
Maximum power pulse current kA 10.5 10.5 10.5 10.5
Critical voltage gradient V/µs 1000 1000 1000 1000
Critical current gradient A/µs 300 300 300 300
I2t value A
2
s 239 * 10
6
239 * 10
6
239 * 10
6
239 * 10
6
Dimensions (HxWxD)
(Dimension diagram see
Section 4)
mm 350x265x285 350x265x285 350x265x285 350x265x285
Weight (approx.) kg 20 20 20 20
Typical load current path for the three device power ranges
I(t)
0
2000
4000
6000
8000
10000
12000
0 5 10 15 20 25 30
t[s]
I[A]
T3801N
T2001N
T901N
10s
10% Imax
(1)
(2)
(3)
(1) 7VV3003-5AG32
-5BG32
-5CG32
-5DG32
(2) 7VV3003-5EG32
-5FG32
-5GG32
-5HG32
(3) 7VV3003-5JG32
-5KG32
-5LG32
-5MG32
here: τ=4.34s
Fig. 1
Re-make time (recovery time)
30min 30min 30min
t
***
A single trip is possible after a waiting time of
30 min.
300min 300min
t
** **
After two trips within 30 min., a recovery time of
300 min. must be observed.
* = SICROWBAR 7VV3003 DC surge suppressor trip
Fig. 2