Type: 3120-F...-...M1...


~ 81 mm
Typ 3120-F...-...M1... von E-T-A: Kombination von Schutzschalter und EIN/AUS-Schalter mit Schaltwippe oder Druckknopf.

Two pole rocker switch/thermal-magnetic circuit breaker with trip-free mechanism (S-type TM CBE to EN 60934). The addition of a magnetic tripping module to the type 3120 range described in catalogue section Thermal Overcurrent Circuit Breakers extends the choices available (thermal-magnetic protection in pole 1, thermal or no protection in pole 2). All are offered with rocker switch or push button control - two buttons for ON/OFF or one button press-to-reset only, in designs to suit one of three different panel cut-out sizes. Illumination is optional.

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.

Voltage rating
  • AC 240 V (50/60 Hz)
  • DC 50 V
Current ratings from 0.1 A until 16 A  
Number of poles double pole
single pole
Mounting method flange
Terminal design blade terminals
screw terminals
Actuation manual release
Auxiliary contacts without auxiliary contacts
Water splash protection with water splash protection
without water splash protection
Illumination with illumination
without illumination
Typical life 30,000 operations at 1 x IN, inductive, single pole

50,000 operations at 1 x IN, inductive, double pole
Interrupting capacity Icn 0.1...2 A: 100 x IN

2.5...16 A: 250 A double pole or 150 A single pole
Certificates VDE, CSA, UL, CCC


Order number Description

aux. contact module


magnetic module


undervoltage release module

X 221 619 01

water splash cover, transparent

X 222 143 01

translucent water splash cover

Y 303 068 01

insulated cover

Y 303 675 01

spacer for -F3/N3...


panel thickness < 2 mm

Y 303 675 02

spacer for -F3/N3...


panel thickness < 4 mm

Y 303 676 01

spacer for -F5/N5...

Y 303 862 01

terminal adapter

Y 303 885 31

blanking piece

Y 304 275 01

water splash cover black

Y 307 097 01



  • Automation
  • Household, Hobby & Garden Equipment
  • Medical technology
  • Telecom & Datacom


Datasheet & Explanations


Differences and Similarities Between K Curve and D Curve Breakers

A Miniature Circuit Breaker (MCB) is a resettable protective device that prevents electrical circuits from catching fire and causing damage to personnel and property. It is a device designed to isolate a circuit during an overcurrent event without using a fusible element. There are two types of overcurrent events; a thermal overload and a short circuit.

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Improve Plant Production by Addressing 24VDC Switch-Mode Power Supply Issues

For most industries, the accepted norm for unplanned downtime is 5% of operating time, which represents a direct, significant loss of revenue and therefore profit. But have you ever stopped to consider the true cost of downtime?  Read the latest white paper from E-T-A to see how the integration of electronic circuit control technology can reduce the downtime of your 24VDC system designs.

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