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Type: 3120

Description

The 3120 circuit breaker/switch combination is an ON/OFF switch with integral overcurrent protection (S-type TO CBE to EN/IEC 60934). The trip element is a bimetal. Type 3120 is ideally suited for overload protection of motors, pumps, transformers and cables.

Product characteristics:

  • rocker or push button actuation
  • single pole and double pole versions
  • reliable switching behaviour (positively trip-free)
  • convenient snap-in mounting
  • international approvals

 


Options and add-on modules:

  • illumination
  • water splash protection
  • auxiliary contacts
  • under voltage trip
  • remote trip
  • magnetic trip (see thermal-magnetic circuit breakers)
  • push-in terminals
  • appliance inlet module

 

This product is also available as switch only (more information see data sheet).

Technical Data

Voltage rating
  • AC 240 V (AC 415 V to special order)
  • DC 50 V
  • UL/CSA: AC 250 V
Current ratings from 0.1A until 20A  
(up to 30 A to special order, single pole only)
Number of poles single pole
double pole
Mounting method flange
Terminal design blade terminals
screw terminals
Actuation push button
rocker
Auxiliary contacts with auxiliary contacts
without auxiliary contacts
Water splash protection with water splash protection
without water splash protection
Illumination with illumination
without illumination
Typical life 0.1...16 A 50,000 operations at 1 x IN, inductive, double pole

0.1...20 A 30,000 operations at 1 x IN, inductive, single pole
Interrupting capacity Icn 0.1...2 A: 10 x IN

2.5...20 A: 150 A single pole

2.5...20 A: 250 A double pole
Certificates VDE, CSA, UL, CCC

Accessories

Accessories

Order number Description
X3120-U undervoltage release module
X3120-M magnetic module
X3120-S aux. contact 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...
panel thickness < 2 mm
Y 303 675 02 spacer for -F3...
panel thickness < 4 mm
Y 303 676 01 spacer for -F5...
Y 303 862 01 terminal adapter
Y 303 885 31 blanking piece
Y 304 275 01 water splash cover black
Y 307 097 01 spacer
X3120-A/-B Appliance inlet module
Y 312 140 01 plug-in connector

Applications

Applications

  • Household, Hobby & Garden Equipment
  • Lighting Equipment
  • Medical Equipment
  • Minus DC 48 V
  • Rail Vehicles
  • Telecom & Datacom
  • Watercraft & Vehicles