Siemens First lateral auxiliary switch for 3RT1, screw, 1NO + 1NC
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Siemens First lateral auxiliary switch for 3RT1, screw, 1NO + 1NC Part number 3RH1921-1EA11

EAN / Barcode 4011209293526
Product Type Control Panel
Product Class Auxiliary contact block
ETIM Class Auxiliary contact block
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Product Description

First lateral auxiliary switch

This product is designed for expanding auxiliary contacts in control circuits of 3RT1 SIRIUS contactors.

Technical details:

  • 1 NO, 1 NC
  • Screw terminal
  • For contactors 3RT1
  • Sizes S0 - S12
  • Versions for front or lateral mounting
  • Up to four instantaneous contacts
  • Up to two leading NO and NC contacts
  • Designed as positively driven contacts in 3RH contactor relays
  • Available with screw terminal and spring-type terminal

Customer benefits:

  • Can be fitted without tools
  • Simple and efficient modular system
  • Always up to date

Technical Specifications

Compliance/StandardsIEC 60947-4, IEC 60947-5
country_of_originCzech Republic
descriptionfirst lateral auxiliary switch 1 NO, 1 NC, screw terminal, for contactors 3RT1
IP RatingIP20
IP Rating DetailedIP20 mechanical service life (operating cycles) typical 10 000 000 electrical endurance (operating cycles) at AC
Mounting methodOther
Number of contacts as normally closed contact1
Number of contacts as normally open contact1
Part Depth (mm)23,00mm
Part Height (mm)85,00mm
Part Width (mm)75,00mm
Rated operation current Ie at AC-15, 230 V6 A
Type of electric connectionScrew connection
Weight (g)0,049 Kg
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