The information furnished is believed to be accurate and reliable. However, E-T-A assumes
no responsibility for its use. In the interest of improved design, performance and cost
effectiveness the right to make changes in these specifications without notice is reserved.
R
Overcurrent Circuit Breaker
thermal trip
Data Sheet
3120-...-..T1-..
one and two pole
382.073.468
sheet 1 of 37
Replacing data sheet dated 382.073.468 24. Oct. 1997
Technical data
Max.voltage rating
Rated insulation voltage
Current rating range
Current ratings
to EN 60 934
AC 240V / DC 50 V, AC 415V
AC 415 V
0.1 .... 20A
1 and 2 pole
0.1;
1.5;
7.0;
0.2;
2.0;
8.0;
0.3;
2.5;
10.0;
0.4;
3.0;
12.0;
0.5;
3.5;
14.0;
0.6;
4.0;
15.0;
0.8;
4.5;
16.0:
1.0;
5.0;
18.0;
1.2;
6.0;
20A
Reference ambient temperature
Effect of the ambient temperature on the tripping
characteristics
-30°C ... +60°C (T60)
Temperature (°C)
Factor
Temperature (°C)
Factor
PTI 400
S-type
TO / positively trip free
I
N
(A)
V
I
N
(A)
V
I
N
(A)
V
B
B
B
B
B
B
-30
0.80
+23
1.0
-20
0.84
+30
1.03
-10
0.88
+40
1.08
-5
0.90
+50
1.14
+10
0.94
+60
1.23
Creepage resistance
Method of operation
Mode of tripping
Typical electrical operational values
Voltage drop in V at 1 I
N
B
B
0.1
9.4
2.0
0.6
9.0
0.1
0.2
4.8
2.5
0.2
10.0
0.13
0.3
3.6
3.0
0.18
12.0
0.11
0.4
2.2
3.5
0.2
14.0
0.11
0.5
2.2
4.0
017
15.0
0.12
0.6
1.8
4.5
0.2
16.0
0.12
0.8
1.8
5.0
0.16
18.0
0.12
1.0
0.9
6.0
0.13
20.0
0.11
1.2
1.0
7.0
0.12
1.5
0.7
8.0
0.13
Insulation coordination (IEC 664 and 664A)
Rated impulse withstand voltage / Pollution degree
max
EN 60 934
4kV / 3
2.5KV /2
U
U
U
U
Dielectric strength (IEC 664 and 664A)
operating area (reinforced insulation, sheet 23)
mounting area (sheet 23)
pole / pole (2-pole)
U
max.
4000 V
2000 V
2000 V
U
test voltage, AC
EN 60 934
3000 V
1500 V
1500 V
U
U
The copying, distribution and utilization of this document as well as the communication of its
contents to others without expressed authorization is prohibited. Offenders will be held liable for the
payment of damages. All rights reserved in the event of the grant of a patent, utility model or
ornamental design registration. Protection mark according to DIN 34.
Insulation resistance
Minimum load (main circuit)
> 100 MΩ (DC 500 V)
DC 10 V / 100 mA
Index
g
h
i
ÄM
17 866
18 056
18 338
Sheet
1-37
32
22
Date
26.06.00
13.12.00
23.07.01
Name Index
K.Go
K.Go
K.Go
ÄM
Sheet
Date
Name
3120 series datasheet.doc
075.367g / 02.02.00
The information furnished is believed to be accurate and reliable. However, E-T-A assumes
no responsibility for its use. In the interest of improved design, performance and cost
effectiveness the right to make changes in these specifications without notice is reserved.
R
Overcurrent Circuit Breaker
thermal trip
Data Sheet
3120-...-..T1-..
one and two pole
Operating cycles
Behaviour at rated current (EN 60 934, test sequence C)
1 pole
382.073.468
sheet 2 of 37
2 pole
2 pole
mechanical
electrical, 1 I
N
50 000
0.1 - 16A, AC 240, cosϕ 0.95
> 16A, AC 240, cosϕ 0.95
0.1 - 10A, DC, L/R= 0 ms
12 - 16A, DC 28V, L/R = 0 ms
> 16A, DC 28V, L/R = 0 ms
50 000
0.1 - 16A, AC 240, cosϕ 0.95
0.1 - 16A, DC, L/R= 0 ms
> 16A, AC 240, cosϕ 0.95
> 16A, DC, L/R = 0 ms
10 000
0.1 - 16A, AC 415, cosϕ 0.95
B
B
30,000
10,000
30,000
30,000
10,000
50,000
50,000
10,000
10,000
10,000
Behavior at rated switching capacity (40 cycles)
(EN 60 934, test sequence D)
AC; 6 I
N
power factor 0.6
0.1 ... 20A, 1 pole / AC 240
0.1 ... 20A, 2 pole / AC 240
0,1 ... 16A, 2 pole / AC 415
B
B
DC; 4 I
N,
time constant 2.5 ms
0.1 ... 10A, 1 pole DC 50V
0.1 ... 20A, 2 pole DC 50V
0.1 ... 20A, 1 pole DC 28V
B
B
Rated short-circuit capacity I
cn
(EN 60 934, test sequence E)
B
B
1 and 2 pole
1 pole
2 pole
1 and 2 pole
1 pole
2 pole
1 pole
2 pole
I
N
0.1 ... 2A
2.5 ...20 A
2.5 ... 20 A
0.1 ... 2A
2.5 ... 10A
2.5 ... 20A
2.5 ... 20 A
2.5 ... 20 A
B
B
U
N
AC 240 V
AC 240 V
AC 240 V
DC 50V
DC 50V
DC 50 V
DC 28 V
DC 28 V
B
B
I
cn
10 x I
N
200 A
300 A
10 x I
N
50 A
250 A
200 A
300 A
B
B
B
B
B
B
Rated conditional short-circuit current I
nc
(EN 60 934, PC 1 / UL 1077, § 21)
B
B
1 and 2 pole
2 pole
1 and 2 pole
I
N
0.1 ...16 A
18 ... 20 A
0.1 ... 20 A
B
B
U
N
AC 240 V
AC 125 V
DC 50 V
B
B
I
nc
3500A
3500A
200A
B
B
The copying, distribution and utilization of this document as well as the communication of its
contents to others without expressed authorization is prohibited. Offenders will be held liable for the
payment of damages. All rights reserved in the event of the grant of a patent, utility model or
ornamental design registration. Protection mark according to DIN 34.
The current rating of the back-up fuse to IEC 269 (DIN VDE 0636) shall be four times the current rating of the curcuit breaker,
but at least 15A.
Typical mechanical values
Operating force
ON
OFF
Operating force with X3120-U
ON
OFF
rocker
15 N
5N
23 N
8N
push button
18 N
6N
29 N
9N
Index
g
ÄM
17 866
Date
26.06.00
Name
K.Go
Index
ÄM
Date
Name
3120 series datasheet.doc
075.367g / 02.02.00
The information furnished is believed to be accurate and reliable. However, E-T-A assumes
no responsibility for its use. In the interest of improved design, performance and cost
effectiveness the right to make changes in these specifications without notice is reserved.
R
Overcurrent Circuit Breaker
thermal trip
Data Sheet
3120-...-..T1-..
one and two pole
382.073.468
sheet 3 of 37
Mounting values
Blade terminals P70
200 N max. insertion
80 N max. insertion
80 N max. withdrawal
0.55 N max. tightening torque
approx. 27 g
approx. 31 g
1 pole
2 pole
Terminal screws
Mass
Environmental tests (typical values)
Vibration (sinusoidal)
to DIN IEC 68-2-6,
test Fc, 10 frequency cycles / axis
Shock
to DIN IEC 68-2-27, test Ea
Corrosion
to DIN IEC 68-2-11, test Ka
Humidity
to DIN IEC 68-2-3, test Ca
Degree of protection (IEC 529 / DIN 40 050)
operating area
terminal area
Temperature limits
±
0.61 mm (10 - 57 Hz), 8g ( 57 - 500 Hz)
30 g (11ms)
96 hours at 5% salt mist
240 hours at 95% RH, 40°C
IP 40 (IP 54 with splash cover)
IP 00
on duty
- 30° C ...+ 60° C
storage
- 40° C ...+ 80° C
Approval logos
Note:
Time / current characteristic curve
Dimensions
Rocker / button variants
Flange dimensions
Connection variants and
internal connetion diagram
Installation
Order numbering code
see marking instructions
see sheets
see sheet
see sheets
see sheets
4/5
6
7/8
9 - 26
see sheet 27
see sheet 28
see sheets 29 - 37
The copying, distribution and utilization of this document as well as the communication of its
contents to others without expressed authorization is prohibited. Offenders will be held liable for the
payment of damages. All rights reserved in the event of the grant of a patent, utility model or
ornamental design registration. Protection mark according to DIN 34.
Index
g
ÄM
17 866
Date
26.06.00
Name
K.Go
Index
ÄM
Date
Name
3120 series datasheet.doc
075.367g / 02.02.00
The copying, distribution and utilization of this document as well as the communication of its
contents to others without expressed authorization is prohibited. Offenders will be held liable for the
payment of damages. All rights reserved in the event of the grant of a patent, utility model or
ornamental design registration. Protection mark according to DIN 34.
The information furnished is believed to be accurate and reliable. However, E-T-A assumes
no responsibility for its use. In the interest of improved design, performance and cost
effectiveness the right to make changes in these specifications without notice is reserved.
Index
g
ÄM
17 866
3120 series datasheet.doc
Date
Type of current: AC / DC
Current rating range: 0.1 - 2A
075.367g / 02.02.00
26.06.00
Name
K.Go
R
Index
ÄM
Characteristic Curve T1
min. Trip limit: 1.0 I
N
max. Trip limit: 1.4 I
N
Percent rated current
Date
Overcurrent Circuit Breaker
thermal trip
3120-...-..T1-..
one and two pole
Name
Data Sheet
382.073.468
sheet 4 of 37
The copying, distribution and utilization of this document as well as the communication of its
contents to others without expressed authorization is prohibited. Offenders will be held liable for the
payment of damages. All rights reserved in the event of the grant of a patent, utility model or
ornamental design registration. Protection mark according to DIN 34.
The information furnished is believed to be accurate and reliable. However, E-T-A assumes
no responsibility for its use. In the interest of improved design, performance and cost
effectiveness the right to make changes in these specifications without notice is reserved.
Index
g
ÄM
17 866
3120 series datasheet.doc
Date
Type of current: AC / DC
Current rating range: 2.5 - 20A
075.367g / 02.02.00
26.06.00
Name
K.Go
R
Index
Characteristic Curve T1
min. trip limit: 1.0 I
N
max. trip limit: 1.4 I
N
ÄM
Percent rated current
Date
Overcurrent Circuit Breaker
thermal trip
3120-...-..T1-..
one and two pole
Name
Data Sheet
382.073.468
sheet 5 of 37
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