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Siemens

Siemens Auxiliary switch on the front, 3NO + 1NC, spring-loaded terminal Part number 3RH2911-2HA31

EAN / Barcode 4011209829596
Product Type Control Panel
Product Class Auxiliary contact block
ETIM Class Auxiliary contact block
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Product Description

Auxiliary switch

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

Technical details:

  • 3 NO + 1 NC
  • .1/.2, .3/.4, .3/.4, .3/.4
  • Current path: 1 NC, 1 NO, 1 NO, 1 NO
  • Spring-loaded terminal
  • Compatible with contactors 3RT2 and contactor relays 3RH2
  • Available for front or lateral mounting
  • Up to four instantaneous contacts or up to two leading NO and NC contacts
  • Can be designed as positively driven contacts in 3RH contactor relays or as mirror contacts in case of 3RT power contactors
  • Available with screw terminal and spring-type terminal

Customer benefits:

  • Simple and efficient installation without the need for tools
  • Part of the SIRIUS modular system, ensuring compatibility and up-to-date performance

Technical Specifications

Lamp holderNone
Mounting methodOther
Number of contacts as normally closed contact1
Number of contacts as normally open contact3
Rated operation current Ie at AC-15, 230 V6 A
Type of electric connectionSpring clamp connection
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