Datasheet

www.e-t-a.de
4
3120-N... Thermal Circuit Breaker
1846
1
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. For further details please see: www.e-t-a.de/ti_e
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
Approval
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...20 A (2-pole)
* 2 poles in parallel