Siemens

Siemens Auxiliary switch lateral, screw, 2NC current path Part number 3RH2921-1DA02

EAN / Barcode 4011209790278
Product Type Control Panel
Product Class Auxiliary contact block
ETIM Class Auxiliary contact block
In Stock
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Product Description

Auxiliary switch

The 3RH29 auxiliary switch is designed for the expansion of auxiliary contacts in the control circuit.

Technical details:

  • Type: Lateral
  • Contacts: 2 NC, on the left: 51/52, 61/62, on the right: 31/32, 41/42
  • Current path: 1 NC, 1 NC
  • Terminal type: Screw terminal
  • Compatibility: For contactors 3RT2 and contactor relays 3RH2
  • Mounting: Can be laterally mounted onto 3RT2 contactors without tools
  • Versions: Front or lateral mounting, with up to four instantaneous contacts or up to two leading NO and NC contacts
  • Contact types: Positively driven contacts in 3RH contactor relays or mirror contacts in case of 3RT power contactors
  • Available terminal types: Screw terminal and spring-type terminal

Customer benefits:

  • Simple and efficient deployment within the SIRIUS modular system
  • Always up to date with the latest technology

Technical Specifications

Compliance/StandardsIEC 60947-4, IEC 60947-5
country_of_originCzech Republic
descriptionauxiliary switch, lateral, 2 NC, on the left: 51/52, 61/62, on the right: 31/32, 41/42, current path: 1 NC, 1 NC, screw terminal, for contactors 3RT2 and contactor relays 3RH2
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 contact2
Part Depth (mm)20,00mm
Part Height (mm)70,00mm
Part Width (mm)60,00mm
Rated operation current Ie at AC-15, 230 V6 A
Type of electric connectionScrew connection
Weight (g)0,040 Kg
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