Siemens MSS Expansion Module, 4 F-DO
Product details
The MSS expansion module from Siemens, model 3RK3251-1AA10, is a highly advanced installation relay specifically designed for modular safety systems. With an output voltage of 24 volts and the capability to control up to four F-DO outputs, this module provides a reliable solution for various automation applications. It is suitable for use in safety-critical environments and meets the requirements of IEC 61508 up to SIL3 as well as Performance Level E according to ISO 13849-1. The module is easy to install and parameterize, making it a flexible choice for professionals in the field of automation technology. Its compact design, with a width of 45 mm, allows for space-saving integration into existing systems. The product is supplied without connection cables and is not suitable for smart home applications.
- Modular design for flexible applications
- Compliance with safety standards up to SIL3 (IEC 61508)
- Parameterizable via MSS for individual adjustments
- Compact design with 45 mm width for easy integration.
Relay type | Installation relay |
input voltage | 24 V |
Output voltage | 24 V |
Output current type | DC |
Number of poles | 4x |
Item number | 9724930 |
Manufacturer | Siemens |
Category | Relays |
Manufacturer No. | 3RK3251-1AA10 |
Release date | 24/9/2018 |
Relay type | Installation relay |
input voltage | 24 V |
Output voltage | 24 V |
Output current type | DC |
Number of closers | 4x |
Number of poles | 4x |
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 | 1x extension module 3RK3251-1AA10 |
Length | 130 mm |
Width | 130 mm |
Height | 50 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 %