3120-F521-W01X-5A ETA, 3120-F521-W01X-5A Datasheet - Page 6

• Manufacturer Part Number: 3120-F521-W01X-5A
• Description: CIRCUIT BREAKER, 5A, 2POLE
• Manufacturer: ETA

Specifications of 3120-F521-W01X-5A

• Voltage Rating Vdc: 50V
• Voltage Rating Vac: 250V
• Fuse Current: 5A
• No. Of Poles: 2
• Mounting Type: Panel
• Approval Bodies: CSA, SEMKO, UL, VDE
• Breaking Capacity Current Ac: 300A
• Current Rating: 5A
• External: RoHS Compliant
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes

1
Type No.
3120
3120 - F 7 2 N - N7 T1 - A 20 Q B 4 - 10 A
3120 - F . 0 N - N7 Q1 -A 20 Q B 4 - 20 A
N.B.
Switch only versions must be specified with -N7 or -G7 terminals.
Terminals 12(k) and 22(k) are not fitted.
Ordering information
rocker switch/circuit breaker
Mounting
F
snap in frame
Size of frame
7
to fit mounting cut-out 44.5x22mm(1.75x.866 in) 1-4 mm(.039-.157 in)
Number of poles
0
1
2
5
6
2 pole, unprotected, switch only
1 pole, thermally protected
2 pole, thermally protected
2 pole, thermally protected on one pole only (terminals 11,12k,12i)
1 pole, unprotected, switch only
Mounting frame design
N
P
Q
R
S
T
grey frame
snap-on actuator guard grey
snap-on water splash cover grey
black frame
snap-on actuator guard black
snap-on water splash cover black
Terminal configuration
P7
H7
N7
G7
blade terminals 2x2.8x0.8 mm (QC 2x.110) (terminals
12(k), 22(k),11, 21), not for under voltage module,
not for switch
12(k), 22(k): blade terminals 2x2.8-0.8 (QC 2x.110)
11, 21: terminal screws, not for switch
as P7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm(QC 2x.110)
not for under voltage module
as H7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm(QC 2x.110)
Characteristic curve
T1
Q1
Thermal Overcurrent Circuit Breaker 3120-F7..
thermal, 1.01-1.4 x I
switch only
Actuator style
A
rocker
Switch colour designation
20
30
blue opaque
blue translucent
Rocker markings
Q
"I" and "0" moulded in
Push button illumination (optional)
B
filament, AC/DC
Illumination voltage range (optional)
0
1
2
3
4
5
4 - 7 V
10 - 14 V
20 - 28 V
90 - 140 V
185 - 275 V
42 - 54 V
Current ratings
0.1...20 A
N
ordering example
(switch only)
I
0
Q
panel thickness
www.e-t-a.com
single or double pole load
0.1 … 2 A
2.5 … 20 A
Typical time/current characteristics
The time/current characteristic curve depends on the ambient temperature
prevailing. In order to eliminate nuisance tripping, please multiply the circuit
breaker current ratings by the derating factor shown below. See also
section 9 – Technical information.
Ambient temperature °F
Derating factor
10000
10000
1000
1000
100
100
0.1
0.1
10
10
1
1
1
1
°C
2
2
… times rated current
… times rated current
-22 -4
-30 -20
0.8 0.76 0.84 0.92 1
4
4
6
6
8 10
8 10
+14 +32 +73.4 +104 +122 +140
-10
0
20
20
+23
40
40
+40 +50
1.08 1.16 1.24
05/06
+73.4 °F
+73.4 °F
+140 °F
+140 °F
+23 °C
+23 °C
+60 °C
+60 °C
-30 °C
-30 °C
-22 °F
-22 °F
(280405)
+60