3120-F311-P7T1-W04A-20A datasheet, PDF

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3120-F311-P7T1-W04A-20A: Description1 POLE(S), 20A, 250 V(AC), 50 V(DC), PANEL MOUNT, THERMAL CIRCUIT BREAKER,; CategoryCircuit protection Circuit protection; File Size441KB，5 Pages; ManufacturerE-T-A [E-T-A Circuit Breakers]

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3120-F311-P7T1-W04A-20A Overview

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

3120-F311-P7T1-W04A-20A Parametric

Parameter Name	Attribute value
Maker	E-T-A [E-T-A Circuit Breakers]
Reach Compliance Code	compliant
Actuator type	ROCKER
body width	21 mm
body height	33 mm
Body length or diameter	54 mm
circuit function	MANUAL ON/OFF
Circuit protection type	THERMAL CIRCUIT BREAKER
Environmental characteristics	CORROSSION RESISTANT
Installation features	PANEL MOUNT
Number of poles	1
Maximum operating temperature	60 °C
Minimum operating temperature	-30 °C
physical size	54mm x 21mm x 33mm
Rated breaking capacity	20 A
Rated current	20 A
Rated voltage (AC)	250 V
Rated voltage (DC)	50 V
Guideline	CCC; CSA; UL; VDE
surface mount	NO
Terminal shape	QUICK 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:

●

Under voltage release coil (for double pole versions only).

●

Magnetic trip coil for short circuit protection.

●

Magnetic trip coil for remote relay trip.

●

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

Typical applications

Technical data

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

1.2

1.5

2.5

3.5

Internal

resistance

per pole (Ω)

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)

4.5

Internal

resistance

per pole (Ω)

0.0435

0.0325

0.0215

0.0165

< 0.02

Dielectric strength

(IEC 60664 and 60664A)

operating area

between poles (2-pole)

Insulation resistance

Interrupting capacity I

3120-F7

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

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

, inductive

30,000 operations at 1 x I

, inductive

30,000 operations at 1 x I

, resistive

30,000 operations at 1 x I

, inductive

2-pole

10,000 operations at 1 x I

, inductive

50,000 operations at 1 x I

, inductive

30,000 operations at 1 x I

, inductive

50,000 operations at 1 x I

, inductive

10,000 operations at 1 x I

, inductive

-30...+60 °C (-22...+140 °F)

rated impulse

pollution

withstand voltage

degree

2.5 kV

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

0.9 mA

3.5 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

2.5...20 A 250 A 2-pole, or 150 A 1-pole

Interrupting capacity (UL 1077)

1, 2-pole

Degree of protection

(IEC 60529/DIN 40050)

Vibration

0.1...20 A

AC 250 V

DC 50 V

5000 A

1000 A

Approvals

Authority

VDE (EN 60934)

Voltage ratings

AC 240 V; DC 28 V

DC 50 V

AC 250 V; DC 50 V

Current ratings

0.1...20 A

2-pole

0.1...10 A

1-pole

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)

Issue D

www.e-t-a.de

- 67

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