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Datasheet> All Categories > Circuit protection> Circuit protection> 3120-F521-P7T1-W02D-20A
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3120-F521-P7T1-W02D-20A

Description
2 POLE(S), 20A, 250 V(AC), 50 V(DC), PANEL MOUNT, THERMAL CIRCUIT BREAKER,
CategoryCircuit protection    Circuit protection   
File Size341KB，6 Pages
ManufacturerE-T-A [E-T-A Circuit Breakers]
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3120-F521-P7T1-W02D-20A Overview

2 POLE(S), 20A, 250 V(AC), 50 V(DC), PANEL MOUNT, THERMAL CIRCUIT BREAKER,

3120-F521-P7T1-W02D-20A Parametric

Parameter NameAttribute value
MakerE-T-A [E-T-A Circuit Breakers]
Reach Compliance Codecompli
Actuator typeROCKER
body width21 mm
body height33 mm
Body length or diameter48 mm
circuit functionMANUAL ON/OFF
Circuit protection typeTHERMAL CIRCUIT BREAKER
Environmental characteristicsCORROSSION RESISTANT
Installation featuresPANEL MOUNT
Number of poles2
Maximum operating temperature60 °C
Minimum operating temperature-30 °C
physical size48mm x 21mm x 33mm
Rated breaking capacity20 A
Rated current20 A
Rated voltage (AC)250 V
Rated voltage (DC)50 V
GuidelineCCC; CSA; UL; VDE
surface mountNO
Terminal shapeQUICK CONNECT

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Thermal Overcurrent Circuit Breaker 3120-F...
Description
An extremely versatile range of rocker switch/thermal circuit breakers
(S-type TO CBE to EN 60934 with trip free mechanism) offering the choice
of single pole, double pole with single pole protection, and double pole
with protection on both poles. Designed for snap-in panel mounting with
versions available for three different panel cut-out sizes. Illumination is
optional and there is a range of colours and markings for the rocker.
Add on modules:
l
Under voltage release coil (for double pole versions only).
l
Magnetic trip coil for short circuit protection.
l
Magnetic trip coil for remote relay trip.
l
Auxiliary contacts for status signalling.
Approved to CBE standard EN 60934 (IEC 60934).
Meets the requirements regarding fire resistance of EN 60335-1 : 2007-02
Safety of household and similar electrical appliances.
3120-F3...F5
Technical data
3120-F7
Typical applications
Motors, transformers, solenoids, extra low voltage wiring systems, office
machines, electro-medical equipment, power supplies, communications
systems, medical equipment to EN 60601.
Standard current ratings and typical internal resistance values
Current rating
(A)
0.1
0.2
0.3
0.4
0.5
0.6
0.8
1
1.2
1.5
2
2.5
3
3.5
Internal
resistance
per pole (Ω)
94
24
12
5.30
4.20
2.90
1.50
0.9
0.80
0.45
0.27
0.0785
0.0595
0.0565
Current rating
(A)
4
4.5
5
6
7
8
10
12
14
15
16
18
20
Internal
resistance
per pole (Ω)
0.0435
0.0435
0.0325
0.0215
0.0165
0.0165
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
2
For further details please see chapter: Technical Information
Voltage rating
AC 240 V; DC 50 V
(AC 415 V to special order)
(UL: AC 250 V; DC 50 V)
Current ratings
0.1...20 A
(up to 30 A to special order, single pole only)
Typical life
AC 240 V:
DC 50 V:
DC 28 V:
AC 415 V:
AC 240 V:
0.1...20 A
0.1...4 A
4.5...16 A
0.1...20 A
0.1...16 A
0.1...16 A
17...20 A
DC 50 V:
0.1...16 A
17...20 A
Ambient temperature
Insulation co-ordination
(IEC 60664 and 60664 A
1-pole
30,000 operations at 1 x I
N
, inductive
30,000 operations at 1 x I
N
, inductive
30,000 operations at 1 x I
N
, resistive
30,000 operations at 1 x I
N
, inductive
2-pole
10,000 operations at 1 x I
N
, inductive
50,000 operations at 1 x I
N
, inductive
30,000 operations at 1 x I
N
, inductive
50,000 operations at 1 x I
N
, inductive
10,000 operations at 1 x I
N
, inductive
-30...+60 °C (-22...+140 °F)
rated impulse
pollution
withstand voltage
degree
2.5 kV
2
reinforced insulation in operating area
Illumination voltage/power consumption
operating voltage
12 V DC
24 V DC
115 V AC
230 V AC
power consumption
Y+R
2 mA
2 mA
0.9 mA
0.9 mA
G
3.5 mA
3.5 mA
2.8 mA
2.8 mA
test voltage
AC 3,000 V
AC 1,500 V
> 100 MΩ (DC 500 V)
0.1...2 A 10 x I
N
2.5...20 A 250 A 2-pole, or 150 A 1-pole
Interrupting capacity (UL 1077)
I
N
1, 2-pole
1, 2-pole
Degree of protection
(IEC 60529/DIN 40050)
Vibration
0.1...20 A
0.1...20 A
U
N
AC 250 V
DC 50 V
I
nc
5000 A
1000 A
Dielectric strength
(IEC 60664 and 60664A)
operating area
between poles (2-pole)
Insulation resistance
Interrupting capacity I
cn
Approvals
Authority
VDE (EN 60934)
Voltage ratings
AC 240 V; DC 28 V
DC 50 V
DC 50 V
AC 250 V; DC 50 V
AC 240 V; DC 50 V
Current ratings
0.1...20 A
0.1...20 A
2-pole
0.1...10 A
1-pole
0.1...20 A
0.1...20 A
Shock
Corrosion
Humidity
Mass
UL, CSA
CCC
operating area IP40
(IP54 with water splash protection)
terminal area IP00
8 g (57-500 Hz), ± 0.61 mm (10-57 Hz)
to IEC 60068-2-6, test Fc
10 frequency cycles/axis
30 g (11 ms)
to IEC 60068-2-27, test Ea
96 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
240 hours at 95 % RH,
to IEC 60068-2-78, test Cab
approx. 33 g (double pole)
approx. 27 g (single pole)
2014/15
www.e-t-a.de
2
- 63

3120-F521-P7T1-W02D-20A Related Products

3120-F521-P7T1-W02D-20A 3120-F321-P7T1-W01D-14A 3120-F321-P7T1-W01D-7A 3120-F321-P7T1-W01D-1.5A 3120-F321-P7T1-W02D-4A
Description 2 POLE(S), 20A, 250 V(AC), 50 V(DC), PANEL MOUNT, THERMAL CIRCUIT BREAKER, 2 POLE(S), 14A, 250 V(AC), 50 V(DC), PANEL MOUNT, THERMAL CIRCUIT BREAKER, 2 POLE(S), 7A, 250 V(AC), 50 V(DC), PANEL MOUNT, THERMAL CIRCUIT BREAKER, 2 POLE(S), 1.5A, 250 V(AC), 50 V(DC), PANEL MOUNT, THERMAL CIRCUIT BREAKER, 2 POLE(S), 4A, 250 V(AC), 50 V(DC), PANEL MOUNT, THERMAL CIRCUIT BREAKER,
Reach Compliance Code compli compliant compliant compliant compliant
Actuator type ROCKER ROCKER ROCKER ROCKER ROCKER
body width 21 mm 21 mm 21 mm 21 mm 21 mm
body height 33 mm 33 mm 33 mm 33 mm 33 mm
Body length or diameter 48 mm 54 mm 54 mm 54 mm 54 mm
circuit function MANUAL ON/OFF MANUAL ON/OFF MANUAL ON/OFF MANUAL ON/OFF MANUAL ON/OFF
Circuit protection type THERMAL CIRCUIT BREAKER THERMAL CIRCUIT BREAKER THERMAL CIRCUIT BREAKER THERMAL CIRCUIT BREAKER THERMAL CIRCUIT BREAKER
Environmental characteristics CORROSSION RESISTANT CORROSSION RESISTANT CORROSSION RESISTANT CORROSSION RESISTANT CORROSSION RESISTANT
Installation features PANEL MOUNT PANEL MOUNT PANEL MOUNT PANEL MOUNT PANEL MOUNT
Number of poles 2 2 2 2 2
Maximum operating temperature 60 °C 60 °C 60 °C 60 °C 60 °C
Minimum operating temperature -30 °C -30 °C -30 °C -30 °C -30 °C
physical size 48mm x 21mm x 33mm 54mm x 21mm x 33mm 54mm x 21mm x 33mm 54mm x 21mm x 33mm 54mm x 21mm x 33mm
Rated breaking capacity 20 A 140 A 7 A 15 A 40 A
Rated current 20 A 14 A 7 A 1.5 A 4 A
Rated voltage (AC) 250 V 250 V 250 V 250 V 250 V
Rated voltage (DC) 50 V 50 V 50 V 50 V 50 V
Guideline CCC; CSA; UL; VDE CCC; CSA; UL; VDE CCC; CSA; UL; VDE CCC; CSA; UL; VDE CCC; CSA; UL; VDE
surface mount NO NO NO NO NO
Terminal shape QUICK CONNECT QUICK CONNECT QUICK CONNECT QUICK CONNECT QUICK CONNECT
Is it lead-free? - Lead free Lead free Lead free Lead free
Base Number Matches - 1 1 1 1

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