Siemens Auxiliary switch for contactor

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Product details

The auxiliary switch block 3RH2911-2HA22 from Siemens is a reliable solution for expanding auxiliary contacts in control circuits. With two normally closed and two normally open contacts, this auxiliary switch offers a flexible way to enhance the functionality of relays. The installation is front-mounted and tool-free, significantly simplifying the setup process. The auxiliary switch is designed for use with the 3RT2 relays and 3RH2 auxiliary relays and can be used as forced-guided contact elements as well as mirror contacts. Thanks to its robust construction and available connection types, including spring-loaded connections, the auxiliary switch is suitable for both industrial applications and demanding environments. The consistent availability of screw and spring-loaded connections ensures high flexibility during installation and use. The auxiliary switch block is an ideal choice for anyone seeking an efficient and reliable solution for their control needs.

  • Tool-free installation for easy setup
  • Two normally closed and two normally open contacts for flexible applications
  • Can be used as forced-guided contact elements
  • Robust construction for industrial applications.

Key specifications

Electric current output
6000 mA
Output current type
AC

General information

Item number
9732020
Manufacturer
Siemens
Category
Relays
Manufacturer No.
3RH2911-2HA22
Release date
24.9.2018

Relay properties

Electric current output
6000 mA
Output current type
AC
Switching function
Normally open, Opener
Number of openers
2x
Number of closers
2x

Smart home features

Smart home
Not compatible

Origin

Country of origin
China

Sustainability

Manufacturer commitment
RE100, SBTi

Voluntary climate contribution

CO₂ emissions
0.99 kg
Climate contribution
CHF 0.11

Scope of delivery

Scope of delivery
1 pc.

Product dimensions

Length
47.70 mm
Width
36 mm
Height
41.50 mm
Weight
63 g

30-day right of return
24 Months Warranty (Bring-in)
5 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Relays» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 9.Hager
    0.5 %
  • 9.Schalk
    0.5 %
  • 11.Siemens
    0.8 %
  • 12.Shelly
    1 %
  • 13.Aqara
    1.1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Siemens
    Not enough data
  • 1.Hager
    0 days
  • 2.Shelly
    3 days
  • ABB
    Not enough data
  • Aqara
    Not enough data

Return rate

How often is a product of this brand in the «Relays» category returned?

Source: Digitec Galaxus
  • 5.Hager
    1.7 %
  • 6.Shelly
    2.3 %
  • 7.Siemens
    2.6 %
  • 8.Finder
    3.1 %
  • 9.Eltako
    3.5 %
Source: Digitec Galaxus