|
LTNS
320/450
MECHANICAL
CHARACTERISTICS
|
TYPE
|
POLES
|
MAX.
AUX.
BLOCKS
TYPE
|
WEIGHT
|
OPERATION TIME
|
OVERALL DIMENSIONS
|
CABLE TERMINALS
|
|
CLOSING
|
OPENING
|
| A |
B |
C |
D |
R |
S |
V |
M |
I |
| LTNS |
N° |
SK11 |
[KG] |
[ms] |
[ms] |
[mm] |
[mm] |
[mm] |
[mm] |
[mm] |
[mm] |
[mm] |
[mm] |
[mm] |
| 320 |
1 |
4 |
12 |
160 |
35 |
105 |
260 |
25 |
350 |
55 |
232 |
13 |
213 |
- |
| 2 |
4 |
17 |
160 |
35 |
186 |
260 |
25 |
350 |
55 |
232 |
13 |
213 |
91 |
| 3 |
4 |
24 |
160 |
35 |
277 |
260 |
25 |
350 |
55 |
232 |
13 |
213 |
91 |
| 450 |
1 |
4 |
13 |
160 |
35 |
105 |
260 |
20 |
360 |
55 |
232 |
13 |
213 |
- |
| 2 |
4 |
18 |
160 |
35 |
186 |
260 |
20 |
360 |
55 |
232 |
13 |
213 |
91 |
| 3 |
4 |
25 |
160 |
35 |
277 |
260 |
20 |
360 |
55 |
232 |
13 |
213 |
91 |
ELECTRICAL
CHARACTERISTICS
|
TYPE
LTNS
|
MAX V
[V]
|
ITH
[A]
|
MAKING
CAPACITY
Ich
[A]
|
D.C. BREAKING CAPACITY
[A]
L/R
= 15ms
|
| 440V |
750V |
1000V |
| 1P |
2P |
1P |
2P |
1P |
2P |
| 320 |
1000 |
320 |
7000 |
800 |
1500 |
600 |
1200 |
400 |
800 |
| 450 |
1000 |
450 |
8000 |
1300 |
2500 |
1000 |
1800 |
600 |
1200 |
|
TYPE
|
A.C. BREAKING CAPACITY
[A]
COS
j
=
0.5
|
MAX.
OPERATIONAL CURRENT
FOR
A.C. AND D.C. MOTORS
|
| LTNS |
440V |
750V |
1000V |
A.C.
2-3 |
D.C.
2-3 |
D.C.
4.5 |
| 320 |
2500 |
1800 |
1200 |
200 |
180 |
160 |
| 450 |
4000 |
2500 |
1800 |
280 |
250 |
200 |
* With ceramic
arc chutes
MOUNTING
DIMENSIONS
|
TYPE
LTNS
|
POLES
|
a |
b |
c |
d |
e |
f |
g |
h |
MOUNTING PLATE
|
|
320/450
|
1 |
230 |
90 |
15 |
60 |
15 |
60 |
12,5 |
9 |
 |
| 2 |
230 |
180 |
15 |
150 |
15 |
150 |
12,5 |
9 |
| 3 |
230 |
272 |
15 |
242 |
15 |
242 |
12,5 |
9 |
CLEARANCES FROM ADJACENT PARTS*
|
TYPE
|
METALLIC
EARTHED
|
INSULATED
|
MOUNTING POSITION**
|
| LTNS |
X |
Y |
X |
Y |
 |
| 320 |
100 |
100 |
60 |
60 |
| 450 |
120 |
120 |
80 |
80 |
*
Clearances for nominal breaking capacity
** For horizontal mounting contact our tecnical department |
AUXILIARY CONTACTS RAINGS FOR 10^6 OPERATIONS
|
UTILIZATION CATEGORY
|
AC11 |
V- |
48 |
110 |
220 |
380 |
AUXILIARY CONTACTS
|
| I
[A] |
8 |
6 |
5 |
3 |
|
UTILIZATION CATEGORY
|
DC11 |
V= |
24 |
48 |
110 |
250 |
LEFT
|
RIGHT
|
|
|
|
|
RESISTIVE LOAD
|
- |
I
[A] |
8 |
6 |
5 |
3 |
|
INDUCTIVE LOAD
|
15
ms |
I
[A] |
6 |
4 |
3 |
1.5 |
|
INDUCTIVE LOAD
|
300
ms |
I
[A] |
2.5 |
1.5 |
0.8 |
0.25 |
COIL CONSUMPTION FOR LTN V/S CONTACTORS
| TYPE |
320/450 |
| POLES |
1 |
2 |
3* |
| [W] |
40 |
40 |
90 |
MINIMUM MOUNTING
DISTANCES
Dimensions
with two blocks of auxiliary contacts
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