Datasheet

www.e-t-a.de
5
3120-N...-...T1-... Thermal Circuit Breaker
1930
1
3120-N...-...T1-... Thermal Circuit Breaker
Approvals
Time/current characteristics
The time/current characteristic depends on the ambient temperature.
In order to eliminate nuisance tripping, please multiply the current
rating by a derating factor (see chapter Technical Information) For
detailed technical information please see www.e-t-a.de/ti_d
ambient
temperature [°C]
-30 -20 -10 0 23 40 50 60
temperature factor 0.8 0.84 0.88 0.92 1 1.08 1.14 1.23
... times rated current
Trip time in seconds
... times rated current
Trip time in seconds
10
23 °C
60 °C
-30 °C
12468102040
10000
1000
100
1
0.1
23 °C
60 °C
-30 °C
12468102040
10000
1000
100
10
1
0.1
0.1…2 A
2.5…20 A
1.4
1.4
Approval
authority
Standard Voltage
ratings
Current rating range Appr.
logos
VDE IEC/EN
60934
AC 240 V
DC 50 V
DC 50 V
DC 28 V
0.1 A ... 20 A
0.1 ... 20A (2-pole)
0.1 ... 16 A (1-pole)
0.1 A ... 20 A
UL UL 1077
AC 250 V
AC 250 V
DC 50 V
AC 250 V
0.1 A ... 16 A (TC1, OL1)
17 A … 20 A (TC1, OL0)
0.1 A … 20 A (TC1, OL0)
30 A* (TC1, OL0)
CSA C22.2
No 235
AC 250 V
AC 250 V
DC 50 V
AC 250 V
0.1 A ... 16 A (TC1, OL1)
17 A … 20 A (TC1, OL0)
0.1 A … 20 A (TC1,
OL0)
30 A* (TC1, OL0)
CQC GB
17701
AC 240 V
DC 50 V
0.1 A…20 A
0.1 A…20 A
KTL KC6094
AC 240 V 0.1...20A (2-pole)
* 2 poles in parallel
Cut-out for mounting style -N3
Mounting style
Cut-out for mounting style -N5
-0.2
-0.4
a
±0.05
±0.05
-0.2
-0.4
-0.007
-0.015
-0.007
-0.015
+1
min. 49
min. 55
+1
±0.001
±0.001
+0,039
min. 1.929min. 2.165
+0.039
44.5
+0.2
+0.5
22
+0.3
50.5
+0.3
+0.5
1.751
+0,007
+0.019
1.988
+0.011
+0.019
21.5
+0.3
0.866
+0.011
0.846
+0.011
b
Schematic diagrams
Mounting method
11
21
line
12(i)
12(k)
22(i)
22(k)
load
12(k)
load
11
line
12(i)
12(k)
22(i)
load
11
21
line
12(i) 22(i)
2-pole switching and
thermally protected
2-pole switching and
1-pole thermally protected
1-pole switching and
thermally protected
panel thickness without water splash
protection
with water splash
protection
a 1 – 6.35 mm
1 – 5.5 mm
b 1 – 4 mm
1 – 3.5 mm