567621 Catalog

2014-07-04

: Pdf 567621-Catalog 567621-Catalog 012753 Batch5 unilog

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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.

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)

Internal
resistance
per pole (Ω)

Current rating
(A)

Internal
resistance
per pole (Ω)

0.1

94

4

0.0435

0.2

24

4.5

0.0435

0.3

12

5

0.0325

0.4

5.30

6

0.0215

0.5

4.20

7

0.0165

0.6

2.90

8

0.0165

0.8

1.50

10

< 0.02

1

0.9

12

< 0.02

1.2

0.80

14

< 0.02

1.5

0.45

15

< 0.02

2

0.27

16

< 0.02

2.5

0.0785

18

< 0.02

3

0.0595

20

< 0.02

3.5

0.0565

Illumination voltage/power consumption
operating voltage

R

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		
1-pole
	 AC 240 V:	 0.1...20 A	 30,000 operations at 1 x IN, inductive
	 DC 50 V:	
0.1...4 A	 30,000 operations at 1 x IN, inductive
		
4.5...16 A	 30,000 operations at 1 x IN, resistive
	 DC 28 V:	
0.1...20 A	 30,000 operations at 1 x IN, inductive	
			
2-pole
	 AC 415 V:	 0.1...16 A	 10,000 operations at 1 x IN, inductive
	 AC 240 V:	 0.1...16 A	 50,000 operations at 1 x IN, inductive
		
17...20 A	 30,000 operations at 1 x IN, inductive
	 DC 50 V:	
0.1...16 A	 50,000 operations at 1 x IN, inductive
		
17...20 A	 10,000 operations at 1 x IN, inductive
Ambient temperature
	 -30...+60 °C (-22...+140 °F)
Insulation co-ordination
rated impulse
	
pollution
(IEC 60664 and 60664 A	 withstand voltage 	
degree
	
	
2.5 kV
	
2
		
reinforced insulation in operating area
Dielectric strength
(IEC 60664 and 60664A) 	 test voltage
	 operating area
AC 3,000 V
	 between poles (2-pole) 	AC 1,500 V
Insulation resistance 	
> 100 MΩ (DC 500 V)
Interrupting capacity Icn	 0.1...2 A 10 x IN
	
2.5...20 A 250 A 2-pole, or 150 A 1-pole
Interrupting capacity (UL 1077) 	
IN

UN

Inc

1, 2-pole

0.1...20 A

AC 250 V

5000 A

1, 2-pole

0.1...20 A

DC 50 V

1000 A

5,2 mA

2 mA

1,4 mA

24 V DC

4,5 mA

2,2 mA

1,6 mA

115 V AC

2,8 mA

1,1 mA

1 mA

230 V AC

2,2 mA

0,9 mA

0,9 mA

Approvals
Authority

Voltage ratings

Current ratings

VDE (EN 60934)

AC 240 V; DC 28 V
DC 50 V
DC 50 V

0.1...20 A
0.1...20 A 2-pole
0.1...10 A 1-pole

UL, CSA

AC 250 V; DC 50 V

0.1...20 A

2014/15

2

G

12 V DC

AC 240 V; DC 50 V

3120-F7

Technical data

power consumption
Y

CCC

3120-F3...F5

Degree of protection	
(IEC 60529/DIN 40050)
	
Vibration
	
	
	
Shock
	
	
Corrosion
	
	
Humidity
	
Mass

0.1...20 A

www.e-t-a.de

	

	

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)

2 - 63

Thermal Overcurrent Circuit Breaker 3120-F...

25
.984
15.5
.610

3
.118

48±0.2
1.89±.008
44.2-0.2
1.74-.008

LINE
11

12(k)

10
.394

12(i)

10.7
.421

21
.827

3.5
.138

3
.118

15.5
.610

41
1.61

blade terminals DIN 46244-C-Ms-S
(QC 2 x .110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm

Style F7.T
34
1.34
18.6
.732

60
2.36
44.8
1.76

0

I

ON

0 OFF

I

3120 -	F	 7	 2	 R -	 P7	T1 -	A	 14 Q R 4 - 10 A	
ordering example
3120 -	F	 .	 0	 . -	 N7	Q1 -	W	..	
. . . - 20 A	(switch)

11.5
.453

standard for version Q1 (switch only)

						 Characteristic curve
						 T1	 thermal 1.01 - 1.4 x IN
						 Q1	 switch only
							 Actuator style
							 W	standard rocker (F3 & F5)
							 A	 specially designed rocker (F7)
								Colour and Illumination
								01 .	 rocker black opaque 		
									
without illumination
								02 .	 rocker white opaque 		
									
without illumination
								04 .	 rocker red opaque without illumination
								14 . R	 rocker red translucent with 		
									
LED-illumination
								15 . Y	 rocker orange translucent with 	
									
LED-illumination
								19 . G	 rocker green translucent with 		
									
LED-illumination
									
Rocker markings for F3 and F5
										A	
Q: as D, but 		
										D
moulded in
X: without markings
										F
										Q
A D F X
										X 				
										
Rocker markings for F7
										Q 	»I« and »O« moulded in
										Illumination voltage range 	
										1	 10 - 14 V DC
										2	 20 - 28 V DC 	
										3	 90 - 140 V AC
										4	 185 - 275 V AC
											Current ratings
											0.1...20 A

12(i)

LINE
11

12(k)

10
.394

						

Style F7.R
8.9
.350

Type No.
3120	 rocker switch/circuit breaker
	
Mounting
	F	 snap in frame
		
Size of frame
		3	 to fit mounting cut-out 50.5 x 21.5 mm 				
			 panel thickness: 1-6.35 mm (.039-.250 in)
		
5	 to fit mounting cut-out 44.5 x 22 mm 				
			 panel thickness: 1-4 mm (.039-.157 in)
		
7	 to fit mounting cut-out 44.5 x 22 mm 				
			 panel thickness: 1-4 mm (.039-.157 in)
			Number of poles
			0	 2-pole, unprotected, switch only
			1 	1-pole, thermally protected
			2	 2-pole, thermally protected
			5	 2-pole, 1-pole thermally protected
				Mounting frame design (F3 & F5)
				1	 collar height 1 mm
				3	 collar height 9 mm
				4	 collar height 2 mm with water splash protection (IP54)
				Mounting frame design (F7)
				R	black
				T	 black with snap-on splash cover
					 Terminal configuration
					 P7	blade terminals, standard for curve T1 		
						 (thermal circuit breaker)
					 H7	as P7, terminals 11 and 21 with flat head screws M3.5 	
						 – standard for units with undervoltage release module
					 N7	 as P7, but with additional shunt terminals 12(i) and 22(i) – 	

33
1.30

2

Dimensions

33
1.30

Ordering information

3.5
.138

10.7
.421

21
.827

3
.118

15.5
.610

41
1.61

blade terminals DIN 46244-C-Ms-S
(QC 2 x .110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm

Preferred types
Preferred types

Standard current ratings (A)

Preferred types
0.5 1
F3/1-pole protected

2

3120-F311-P7T1W02D-

3

x

4

5

6

8 10 12 15 16 20

x

x

x

x

x

x

x

Preferred types
0.5 1
F3 /2-pole protected

2

3

4

5

6

8 10 12 15 16 20

3120-F321-P7T1W01D-

x

x

x

x

x

x

x

Preferred types
0.5 1
F5/2-pole protected

2

3

4

5

6

8 10 12 15 16 20

3120-F521-P7T1W01D-

x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

Preferred types
Preferred types Standard current ratings (A)
F7/2-pole
0.5 1 1.5 2 3 4 5 6 8 10 12 15 16 20
protected
3120-F72Rx
x
x
x
x
x
x
x
x
x
x
x
x
x
P7T1-A14QR4

2 - 64

www.e-t-a.de

2014/15

Thermal Overcurrent Circuit Breaker 3120-F...
Internal connection diagrams

Mounting style variants

2-pole,
thermally protected on both poles

Style F 3.3 collar height 9 mm (.354 in.)

21

12(k)

load

22(i)

12(i)

22(k)

12(k)

1-pole,
thermally protected
11

25
.984
19.5
.768

54
2.13
35
1.38

22(i)
load

2-pole,
unprotected

line

12(i) 12(k)

11

12(i)

21

22(i)

11

10
.394

12(i)

line

11

9
.354

line

35
1.38
33
1.30

11

2-pole,
thermally protected on one pole only

12(i)

line

21

21
.827

3.5
.138

blade terminals DIN 46244-C-Ms-S
(QC 2x.110)
flat head screw M3.5x5-MS ISO1580
tightening torque max. 0.8 Nm

22(i)

load

10.7
.421

15.5
.610

3
.118
41
1.61

2

12(k) load

Style F 3.4
collar height 2 mm (.079 in.), with water splash protection

Style F3.1
collar height 1 mm/.039 in.

Actuating force max. 35 N
optional illumination in ON position

25
.984
16
.630

7
.276

3.8
.150
33
1.30

10
.394

Dimensions

56
2.21
35
1.38

27
1.06
19.5
.768

12(i) 12(k)

11

10
.394

OFF position
54
2.13

21
.827

10.7
.421

3.5
.138

blade terminals DIN 46244-C-Ms-S
(QC 2x.110)
flat head screw M3.5x5-MS ISO1580
tightening torque max. 0.8 Nm

11

Optional illumination
48
1.89

3
.118

12(i) 12(k)

11

10
.394

10.7
3.5
.138
.421
21
15.5
.610
.827
blade terminals DIN 46244-C-Ms-S
(QC 2x. 110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm

41
1.61

35
1.38
33
1.30

10

12(k)

3
.118

.394

12(i)

25
.984
16
.630

7
.276

35
1.38
33
1.30

Style F 5.1

15.5
.610

41
1.61

21
.827

10.7
.421

3.5
.138

blade terminals DIN 46244-C-Ms-S
(QC 2x.110)
flat head screw M3.5x5-MS ISO1580
tightening torque max. 0.8 Nm

15.5
.610

3
.118
41
1.61

Installation drawing
Cut-out dimensions

1-6.35
21.5+0.2

11

7
.276

7
.276

8
.315
mounting area

7

max. R2
max .079
±0.05
±.002

50.5+0.3
1.99+.012

- 0.2
-.008

min. 2.5
min .098

max. R0.3
max .012

max. R0.3
max .012

min. 2
min .079

max. R1.5
max .059
±0.05
±.002

44.5+0.2
1.75+.008

10

.276 .394

2.4+1
panel mm 1.2+0.4 1.6+0.8
thickness inch .047+.016 .063+.031 .094+.039
+1.1
+0,2
+2.2
dimension mm 45 - 0.05 45 - 0.05 45 - 0.05
+.087
“A”
1.77 +.043
inch 1.77+.008
- .002
- .002 1.77 - .002

This is a metric design and millimeter dimensions take precedence (	mm )	
inch
	

2014/15

.846+.008

12(k)

15.5
.610

10
.394

12(i)

.039-.250

- 0.4
-.016
- 0.2
-.008

Cut-out for mounting
style -F5/-F7
- 0.4
with rocker
-.016

22+0.3

Cut-out for mounting style -F3
with rocker and push button

.866+.012

operating area

1-4 mm
.039-.157 in.

When installing the circuit breaker apply pressure on bezel only

Edges of working parts: ISO 13715

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2 - 65

Thermal Overcurrent Circuit Breaker 3120-F...
Typical time/current characteristics
single or double pole load
0.1…2 A
10000

+60 °C
+140 °F
+23 °C
+73.4 °F
-30 °C
-22 °F

100

10

1

0.1
1

2

2.5…20 A

4
6 8 10
… times rated current

20

40

10000

+60 °C
+140 °F
+23 °C
+73.4 °F
-30 °C
-22 °F

1000
Trip time in seconds

2

Trip time in seconds

1000

100

10

1

0.1
1

2

4
6 8 10
… times rated current

20

40

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
Technical information.
Ambient
temperature
Derating factor

2 - 66

°F
°C

-22
-30

-4
-20

+14
-10

+32
0

+73.4
+23

+104
+40

+122
+50

+140
+60

0.8

0.76

0.84

0.92

1

1.08

1.16

1.24

www.e-t-a.de

2014/15

Thermal Overcurrent Circuit Breaker 3120-F...
Accessories
Rear terminal shroud black (IP64)
Y 304 275 01

2.5
.098

40.5
1.59

+0.5

20.5
.807

70+5

50
1.97

20
.787

0.9
.035

9
.354

1.75 -0.25
.069 +.020
-.010

R3
4
.5
.
.157 138

3.7
.146

10
.394

Terminal adapter
Y 303 862 01

2.76+.197

Insulated cover
Y 303 068 01

ø8
.315

2

13.5
.531
4
.157

Water splash cover, transparent (IP66)
for style -F5..
X 221 619 01
48

blade terminal DIN 46244-C-Ms-S
(QC 2x.110)

1.89

25
.984

Spacer for 3120-F3...
Y 303 675 01/02
58
2.28
50.5
1.99

*

ø4.4
.173

35
1.38

22
.866
28
1.10

3.4
.134

16.5
.650

ø8
.315

* Y 303 675 01 suitable for
panel thickness < 2 mm (.079 in)
* Y 303 675 02 suitable for
panel thickness < 4 mm (.157 in)

60
2.36
73
2.87

Spacer for 3120-F5...
Y 303 676 01
52
2.05
44.5
1.75

1
.039

22.5
.886
28
1.10

1
.039

without bends

0.8
.031
2.5
.098

sharp-edged

54
2.13
31
1.22

matt finish

25
.984
16.5
.650

33
1.30
36
1.42

1
.039

Blanking piece in -F3 frame
Y 303 885 31

41
1.61

21
.827

This is a metric design and millimeter dimensions take precedence (	mm )	
inch
	

2014/15

All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved. Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.

www.e-t-a.de

2 - 67

2

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2014/15



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