Datasheet

• pressure selection button Yes

• front element Yes

• suspension switch Yes

• suspension pushbutton Yes

Insulation voltage / rated value V 250

Impulse voltage resistance / rated value kV 4

Tightening torque / for auxiliary contacts / with screw-type

terminals

N·m 0.8

Product component

• fluorescent materials Yes

• diode No

• lamp transformer No

• series resistance Yes

Type of mounting floor mounting

Connections:

Type of the connectable conductor cross-section

• for auxiliary contacts / solid 2x (1 ... 1.5 mm²)

• for auxiliary contacts / solid / with conductor end processing 2x (0.5 ... 0.75 mm²)

• for auxiliary contacts / finely stranded / with conductor end

processing

2x (0.5 ... 1.5 mm²)

• for AWG conductors / for auxiliary contacts 2x (18 ... 14)

Certificates/approvals:

General Product Approval other

Confirmation Environmental

Confirmations

Further information:

Information- and Downloadcenter (Catalogs, Brochures,…)

http://www.siemens.com/industrial-controls/catalogs

Industry Mall (Online ordering system)

http://www.siemens.com/industrial-controls/mall

Cax online generator:

http://www.siemens.com/cax

Service&Support (Manuals, Certificates, Characteristics, FAQs,...)

http://support.automation.siemens.com/WW/view/en/3SB3420-1C/all

Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)

http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3SB3420-1C

3SB3420-1C

Page 2/ 12/18/2012

subject to modifications