Siemens MSS Expansion Module, 2/4F-DI, 2F-DO

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Delivered between Sat, 6.6. and Tue, 23.6.
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Product details

The MSS expansion module 3RK32 from Siemens is a highly advanced relay module specifically designed for use in modular safety systems. With a compact design of 22.5 mm in width, it offers an efficient solution for expanding the functionality of safety systems. The module supports a parameterizable configuration via MSS and is designed to operate with an input voltage of 24 V DC. It allows for the connection of up to 4 digital inputs and 2 digital outputs, enabling flexible integration into existing systems. The module meets safety standards SIL3 according to IEC 61508 and Performance Level E according to ISO 13849-1, making it a reliable choice for safety-critical applications. Installation is done via screw terminals, ensuring a simple and secure connection. The product is manufactured in Germany, offering high quality and reliability.

  • Parameterizable via MSS for flexible adjustments
  • Meets SIL3 (IEC 61508) and Performance Level E (ISO 13849-1)
  • Input voltage of 24 V DC with 1.2 A output current
  • Compact design with screw terminals for easy installation.

Key specifications

input voltage
24 V
Electric current output
1.50 A
Output current type
DC

General information

Item number
9733788
Manufacturer
Siemens
Category
Relays
Manufacturer No.
3RK3231-1AA10
Release date
24.9.2018

Relay properties

input voltage
24 V
Electric current output
1.50 A
Output current type
DC
Number of closers
2x

Smart home features

Smart home
Not compatible

Origin

Country of origin
Germany

Sustainability

Manufacturer commitment
RE100, SBTi

Voluntary climate contribution

CO₂ emissions
29.26 kg
Climate contribution
CHF 0.70

Scope of delivery

Scope of delivery
Extension unit, Without connection cable

Product dimensions

Length
124 mm
Width
22.50 mm
Height
102 mm

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
    0.6 %
  • 9.Schalk
    0.6 %
  • 11.Siemens
    0.9 %
  • 12.Shelly
    1.1 %
  • 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
    1 day
  • 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
  • 8.Schneider Electric
    3 %
  • 10.Eaton
    3.5 %
  • 11.Eltako
    3.6 %
  • 12.Siemens
    3.9 %
  • 13.ABB
    5.8 %
Source: Digitec Galaxus