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Siemens SIRIUS 3ZY12 Device Connectors & 3ZY11 Removable Terminals

Siemens SIRIUS 3ZY12 Device Connectors & 3ZY11 Removable Terminals

3ZY12 device connectors for electrically connecting SIRIUS 3SK, 3RQ1 and 3RM1 devices in the DIN-rail enclosure, plus replacement removable terminals.

Key features

  • Connect 3SK1 Advanced / 3SK2 basic units with expansions, 3RQ1 relays and 3RM1 motor starters without wiring
  • Device connectors in 17.5, 22.5 and 45 mm widths
  • Termination connectors close the connector system on the last device
  • Daisy chain connector for distances between devices per installation guidelines
  • Removable 2-, 3- and 4-pole terminals in screw or push-in versions (6 units per pack)

Specifications

Brand Siemens
Product line SIRIUS 3SK accessories
Enclosure SIRIUS industrial DIN-rail enclosure
Note 3SK2122 requires two terminal sets
Source Siemens Catalog IC 10 · 2026, p. 1062-1063
3ZY1212-2GA00 Type: Device connector | Use: 3SK2 | Version: Width 22.5 mm
3ZY1212-4GA01 Type: Device connector | Use: 3SK2 | Version: Width 45 mm
3ZY1212-0FA01 Type: Device termination connector set | Use: 3SK1213 (width > 45 mm) | Version: 3ZY1212-2FA00 + 3ZY1210-2AA00
3ZY1121-1BA00 Type: Removable terminal, screw | Use: SIRIUS DIN-rail enclosure | Version: 2-pole, 2x1.5/1x2.5 mm², 6 units
3ZY1141-1BA00 Type: Removable terminal, screw | Use: SIRIUS DIN-rail enclosure | Version: 4-pole, 2x1.5/1x2.5 mm², 6 units
3ZY1121-2BA00 Type: Removable terminal, push-in | Use: SIRIUS DIN-rail enclosure | Version: 2-pole, up to 2x1.5 mm², 6 units
3ZY1141-2BA00 Type: Removable terminal, push-in | Use: SIRIUS DIN-rail enclosure | Version: 4-pole, up to 2x1.5 mm², 6 units
AccessoriesSiemens
7 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing

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Siemens SIRIUS 3ZY12 Device Connectors & 3ZY11 Removable Terminals

Brand Siemens·Accessories

Available part numbers (7)

3ZY1212-2GA00, 3ZY1212-4GA01, 3ZY1212-0FA01, 3ZY1121-1BA00, 3ZY1141-1BA00, 3ZY1121-2BA00, 3ZY1141-2BA00

How to order

Send the Siemens part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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RFQ List (0)
Product codeSpec
3ZY1212-2GA00Type: Device connector | Use: 3SK2 | Version: Width 22.5 mm
3ZY1212-4GA01Type: Device connector | Use: 3SK2 | Version: Width 45 mm
3ZY1212-0FA01Type: Device termination connector set | Use: 3SK1213 (width > 45 mm) | Version: 3ZY1212-2FA00 + 3ZY1210-2AA00
3ZY1121-1BA00Type: Removable terminal, screw | Use: SIRIUS DIN-rail enclosure | Version: 2-pole, 2x1.5/1x2.5 mm², 6 units
3ZY1141-1BA00Type: Removable terminal, screw | Use: SIRIUS DIN-rail enclosure | Version: 4-pole, 2x1.5/1x2.5 mm², 6 units
3ZY1121-2BA00Type: Removable terminal, push-in | Use: SIRIUS DIN-rail enclosure | Version: 2-pole, up to 2x1.5 mm², 6 units
3ZY1141-2BA00Type: Removable terminal, push-in | Use: SIRIUS DIN-rail enclosure | Version: 4-pole, up to 2x1.5 mm², 6 units

Need a different model, or a part not listed here? Send us your parts list →