Siemens Sirius Innovation 3RH29, 3NO (3), Auxiliary Switch Block, Snap-On, 10 A

  • RS Stock No. 136-3692
  • Mfr. Part No. 3RH2911-2HA30
  • Brand Siemens
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Auxiliary Contacts - 3RH Range

Siemens range of auxiliary contact bloacks to suit the 3RH contactors.

Front mounting position
Current rating; 6A
Accepts cables up to 2 x 2.5mm2
1 x block per contactor, 1 x block per relay


* These are make before break contacts

Siemens Sirius Range Contactor & Control Relays

Siemens control gear for feeders up to 5.5kW. The complementary nature of the devices allows fast and simple assembly, for example, of motor starters and reversers. A perfect match between contactors, overloads, circuit breakers and accessories for the same power ratings provides a uniform panel appearance and the standard widths with no side-by-side mounting derating allows for space saving.


  • This product is in obsolescence mode and is due for discontinuation by the manufacturer. We recommend that you review the alternative highlighted by the manufacturer. Alternatively, refer to the cross reference list in the Technical Reference section which highlights the upgrade path for your current generation of products.
Attribute Value
Number of Contacts 3
Normal State Configuration 3NO
Range Sirius Innovation
Mounting Style Snap-On
Contact Current Rating 10 A
Contact Voltage Rating 600 V dc, 690 V ac
Pole and Throw Configuration 3PST
Terminal Type Spring Load
Minimum Operating Temperature -25°C
Maximum Operating Temperature +60°C
Operating Temperature Range -25 → +60 °C
Series 3RH29
2 In stock for delivery within 1 working days
Price Each
£ 7.74
(exc. VAT)
£ 9.29
(inc. VAT)
Per unit
1 +
Not available for guaranteed pre 9am/10am delivery