Siemens Auxiliary switch 3VW9727-0AA21

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Product details

The Siemens 3VW9727-0AA21 auxiliary switch is a pre-acting auxiliary switch specifically designed for use with circuit breakers of the 3VA27 and 3WL10 series. With an input voltage of 400 volts AC, this auxiliary switch provides a reliable solution for controlling and monitoring electrical circuits. Its modular design allows for easy planning, installation, and retrofitting, enhancing flexibility and adaptability in various applications. Additionally, the auxiliary switch is RoHS compliant, making it an environmentally friendly choice. The user-replaceable main contacts ensure straightforward maintenance and minimize downtime. This auxiliary switch is therefore an ideal complement for open circuit breakers with a rated current of up to 1600A.

  • Modular design for easy planning and installation
  • RoHS compliant for environmentally friendly use
  • User-friendly replacement of main contacts
  • Compatible with circuit breakers up to 1600A.

Key specifications

input voltage
400 V
Output voltage
400 V
Output current type
AC

General information

Item number
34011235
Manufacturer
Siemens
Category
Relays
Manufacturer No.
3VW9727-0AA21
Release date
17.5.2023

Relay properties

input voltage
400 V
Output voltage
400 V
Output current type
AC
Number of openers
2x

Origin

Country of origin
Italy

Sustainability

Manufacturer commitment
RE100, SBTi

Voluntary climate contribution

CO₂ emissions
95.84 kg
Climate contribution
CHF 2.28

Scope of delivery

Scope of delivery
1 pc.

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

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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
    0.9 %
  • 12.Shelly
    1 %
  • 13.Aqara
    1.2 %

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.Shelly
    2 days
  • ABB
    Not enough data
  • Aqara
    Not enough data
  • Eaton
    Not enough data

Return rate

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

Source: Digitec Galaxus
  • 10.Schneider Electric
    3.3 %
  • 11.Eltako
    3.4 %
  • 12.Aqara
    3.9 %
  • 12.Siemens
    3.9 %
  • 14.ABB
    5.8 %
Source: Digitec Galaxus