Siemens 3RH1911-1BA10 Auxiliary Contact Block 1NO 690V Used Spare Part

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Siemens 3RH1911-1BA10 front-mounted auxiliary contact block with 1 normally open contact, in good working used condition pulled from service.​​

Item details

• Brand: Siemens

• Model: 3RH1911-1BA10

• Type: Auxiliary contact block / auxiliary switch block​

• Contact configuration: 1 NO (S3–S4 terminals marked NO)​

• Rated insulation voltage Ui: 690 V​

• Rated operational current Ie AC-12: 10 A​

• Utilization categories: AC-15 and DC-13 (see label for detailed A/V ratings)​

• Standards/approvals: IEC/EN 60947-5-1, UL, CSA, CE marked​​

• Mounting: Front/top mount auxiliary for Siemens Sirius contactors/relays with screw terminals​

• For full specs and application limits, see photos of the label or Siemens datasheet for 3RH1911-1BA10.​

Condition

• Used auxiliary contact block in good working condition.

• Previously installed and functioning; not recently bench-tested for this listing.

• Light cosmetic marks, small scratches and dust from normal use and storage, no broken plastic seen.​

• Terminal screws appear intact and free of heavy corrosion.​

• Supplied without original Siemens packaging or documentation.

Notes

• Suitable as a replacement auxiliary block for compatible Siemens Sirius contactors; buyer must confirm fit and contact arrangement for their specific 3RT/3RH device.​

• Photos show the exact unit for sale; use them to verify markings, ratings, and terminal layout before purchasing.