Siemens MSS Expansion Module, 2/4F-DI, 2F-DO
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.
input voltage | 24 V |
Electric current output | 1.50 A |
Output current type | DC |
Item number | 9733788 |
Manufacturer | Siemens |
Category | Relays |
Manufacturer No. | 3RK3231-1AA10 |
Release date | 24/9/2018 |
input voltage | 24 V |
Electric current output | 1.50 A |
Output current type | DC |
Number of closers | 2x |
Smart home | Not compatible |
Country of origin | Germany |
Manufacturer commitment | RE100, SBTi |
CO₂ emissions | 29,26 kg |
Climate contribution | EUR 0,74 |
Scope of delivery | Extension unit, Without connection cable |
Length | 124 mm |
Width | 22.50 mm |
Height | 102 mm |
Product Safety |
30-day right of return
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Relays» category have a defect within the first 24 months?
Source: Galaxus- 9.Hager0,6 %
- 9.Schalk0,6 %
- 11.Siemens0,9 %
- 12.Shelly1,1 %
- 13.Aqara1,2 %
Statutory 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: Galaxus- SiemensNot enough data
- 1.Shelly1 day
- ABBNot enough data
- AqaraNot enough data
- EatonNot enough data
Return rate
How often is a product of this brand in the «Relays» category returned?
Source: Galaxus- 9.Schneider Electric3,1 %
- 10.Eltako3,6 %
- 11.Eaton3,7 %
- 12.Siemens3,9 %
- 13.ABB5,8 %