Datasheet

www.e-t-a.de
17
3120-N...-...T1-... Thermal Circuit Breaker
1930
1
3120-N...-...T1-... Thermal Circuit Breaker
Add-on module for circuit breaker type 3120-N. The auxiliary contact
module has a change-over contact as signal contact and is operated
with actuation of the CBE.
Note: Not possible in combination with PT terminals.
Description X3120-S auxiliary contact module
Typical applications
Order numbering code
Schematic diagram
Technical data
Dimensions – auxiliary contact module
25.5
10
14
21
blade terminals 2.8x0.5
plated
19.8
7.5 7.5
2
8.5
.827
1.00
.394
.551
.335
.079
.295
.295
.780
Dimensional drawings of the
standard version of 3120-N
please see page 6-8
Status monitoring of CBE and/or the connected loads.
line
11 21 34 32
12(i) 22(i) 31
12(k) 22(k)
load
module mounted
Type No.
X3120 module for type 3120-N
Module
S auxiliary contact module
Design
0 change-over contact
Terminal design
1 blade terminals DIN 46244-A6.3-0.8
Key for rated power
A AC 10 V – AC 250 V 0.1 ... 4 A
DC 12 V 0.1 ... 4 A
DC 24 V 0.1 ... 4 A
DC 60 V 0.1 ... 1 A
DC 110 V 0.1 ... 0.5 A
DC 220 V 0.1 ... 0.25 A
B AC 5 V – AC 250 V 5 ... 100 mA
DC 5 V – DC 250 V 5 ... 100 mA
Supply status
M module mounted to circuit breaker 3120-N
X3120- S 0 1 A M ordering example
All information and data given on our products are accurate and reliable to the best of our
knowledge, but E-T-A does not accept any responsibility for the use in applications which are
not in accordance with the present specification. E-T-A reserves the right to change specifi-
cations at any time in the interest of improved design, performance and cost effectiveness,
Dimensions are subject to change without notice. Please enquire for the latest dimensional
drawing with tolerances if required. All dimensions, data, pictures and descriptions are for
information only and are not binding. Amendments, errors and omissions excepted. Ordering
codes of the products may differ from their marking.
Voltage ratings AC 250 V, DC 250 V
Current ratings 0.1...4 A / 5...100 mA
Typical life 50,000 cycles
Ambient temperature -30 … 60 °C
Dielectric strength
Between main and
auxiliary circuit
test voltage AC 3,000 V
Insulation resistance > 100 MOhm (DC 500 V)
Vibration 6 g
(57-500 Hz), ± 0.46 mm (10-57 Hz)
test to IEC 60068-2-6, test Fc
10 frequency cycles/axis
Shock 15 g (11 ms)
test to IEC 60068-2-27, test Ea
Corrosion 96 hours at 5 % salt mist,
test to IEC 60068-2-11, test Ka
Humidity 240 hrs in 95 % RH
test to IEC 60068-2-78,
test Cab
Mass approx. 41 g (including base unit)