
66
1
Issue C
%
Germany (0 91 87) 10-0 - USA (847) 827-7600 - UK (01296) 420336 - www.etacbe.com
Thermal Overcurrent Circuit Breaker 3120-F...
Ordering information
Internal connection diagrams
Typical time/current characteristics
Single or double pole load
0.1...2 A
2 pole,
thermally protected on both poles
2 pole,
thermally protected on one pole only
1 pole,
thermally protected
2 pole,
unprotected
0
I
AUS
EIN
I
0
OFF
ON
EIN
AUS
ON
OFF
A B C D E F X
2.5...20 A
12(i)
22(i)
11
21
line
12(i)
12(k)
22(i)
22(k)
load
line
load
12(k)
load
11
line
12(i)
12(k)
22(i)
load
11
21
line
12(i)
22(i)
11
21
1
2
4
6
8 10
20
40
… times rated current
T
10000
1000
100
10
1
0.1
+23
°
C
+60
°
C
-30
°
C
1
2
4
6
8 10
20
40
… times rated current
T
10000
1000
100
10
1
0.1
+23
°
C
+60
°
C
-30
°
C
Time/current characteristics are calibrated at 23
°
C (see page 8). For operation at
other temperatures please apply the factors below to determine the circuit
breaker rating required.
Ambient temperature
°
C
-30 -20 -10 0 +23 +40 +50 +60
Multiplication factor
0.8 0.84 0.88 0.92 1
1.08 1.14 1.23
Type No.
3120
rocker switch/circuit breaker
Mounting
F
snap in frame
Size of frame
3 to fit mounting cut-out 50.5x21.5 mm
4 to fit mounting cut-out 44.5x22 mm
5 to fit mounting cut-out 44.5x 22 mm
6 to fit mounting cut-out 45x33.7 mm
Number of poles
0 2 pole, unprotected, switch only
1 1 pole, thermally protected
2 2 pole, thermally protected
5 2 pole, thermally protected on one pole only (terminals 11, 12k, 12i)
6 1 pole, unprotected, switch only
Mounting frame design
1
collar height 1 mm
3
collar height 9 mm
4
collar height 2 mm with water splash protection (IP 54), not with -F6...
Terminal configuration
P7 blade terminals 2x2.8x0.8 mm (terminals 12(k), 22(k),
11,. 21), not for under voltage module, not for switch
H7 12(k), 22(k): blade terminals 2x2.8-0.8
11, 21: terminal screws, not for switch
N7 as P7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm
not for under voltage module
G7 as H7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm
Characteristic curve
T1
thermal, 1.01-1.4 x I
N
Q1
switch only
Actuator style
W rocker
Switch colour designation
opaque
panel thickness
1-6.35 mm
1-2.5 mm
2.6-4 mm
1.2-2.4 mm
translucent
(for illuminated versions)
12 white
14 red
15 orange
19 green
Rocker markings
A
B
C
E
F
X
01 black
02 white
04 red
X = without marking
Rocker illumination (optional)
B
filament/neon AC/DC
G green LED, AC/DC
Y
yellow LED, AC/DC
R
red LED, AC/DC
Illumination voltage range/
power consumption
0
4 - 7 V marked 6 V 80mA (B,G,Y,R)
1
10 -14V marked 12V 75 mA (B,G,Y,R)
2
20 -28V marked 24V 35 mA (B,G,Y,R)
3
90-140V marked 115V <1 mA (B)
4
185-275V marked 230V <1 mA (B)
5
42-54V marked 48V 35 mA (B,Y,R)
Current ratings
0.1...20 A
3120 - F
3 2 1 - N7 T1 - W 14 A
B
4 - 5 A ordering example
3120 - F
N.B.
Switch only versions must be specified with -N7 or -G7 terminals.
Terminals 12(k) and 22(k) are not fitted.
.
0 . - N7 Q1 - W ..
.
.
. - 20 A
(switch only)