30 / 267
3VT1 Molded Case Circuit Breakers up to 160 A
Circuit breakers · Switch disconnectors
2/20
Siemens LV 36 · 2008
2
Setting
I
R
and
I
i
for circuit breakers with characteristic „D“
Setting
I
R
Setting
I
i
Derating in accordance with ambient temperature
Current ranges of overcurrent releases and their possible setting at 40 °C
Rated
current
I
n
Permissible load
A
+ 55 °C
+ 40 °C +20 °C
-15 °C
16
15
16
17
19
20
19
20
22
25
25
23
25
28
31
32
29
32
36
41
40
38
40
45
53
50
48
50
56
66
63
57
63
69
83
80
73
80
88
100
100
91
100
105
122
125
110
125
132
145
160
145
160
168
175
Rated current
I
n
3VT1 7..-2EA46-0AA0
3VT1 7..-2EC46-0AA0
3VT1 7..-2EB46-0AA0
Overload protection
I
r
Short circuit protection
I
i
(instantaneous)
Overload protection
I
r
Short circuit protection
I
i
(instantaneous)
Overload protection
I
r
Short circuit protection
I
i
(instantaneous)
A
A
A
A
A
A
A
16
-
--
12,5 ... 16
160 ... 240
-
-
20
-
--
16 ... 20
200 ... 300
-
-
25
-
--
20 ... 25
250 ... 375
-
-
32
-
--
25 ... 32
160 ... 320
-
160 ... 320
40
40
160
32 ... 40
200 ... 400
-
200 ... 400
50
50
200
40 ... 50
250 ... 500
-
250 ... 500
63
63
252
50 ... 63
315 ... 630
-
315 ... 630
80
80
320
63 ... 80
400 ... 800
-
400 ... 800
100
100
400
80 ... 100
500 ... 1000
-
500 ... 1000
125
125
500
100 ... 125
625 ... 1250
-
625 ... 1250
160
160
640
125 ... 160
800 ... 1600
-
800 ... 1600