• Siemens SIRIUS 3SE66/3SE67 Magnetically Operated Safety Switches
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Siemens SIRIUS 3SE66/3SE67 Magnetically Operated Safety Switches

Siemens SIRIUS 3SE66/3SE67 Magnetically Operated Safety Switches

SIRIUS 3SE66 contact blocks and 3SE67 coded switching solenoids for non-contact monitoring of protective doors, with spacers, cables and 3SK safety relays for evaluation.

Key features

  • Non-contact, coded magnetic actuation, insensitive to dirt
  • Round M30 and rectangular sensor units in standard and supplementary range
  • Connection with cable 3/5/10 m, M8 or M12 plug, Ø 8 mm latching plug
  • Evaluation with SIRIUS 3SK1 / 3SK2 safety relays (monitoring units)
  • Spacers and connecting cables as accessories

Specifications

Brand Siemens
Product line SIRIUS 3SE66 / 3SE67
Principle Magnetically operated (coded)
Contact blocks 3SE66 (reed contacts)
Actuators 3SE67 coded switching solenoids
Category Safety Switches
Source Siemens Catalog IC 10 · 2026, p. 1193-1195
3SE6704-1BA Component: Switching solenoid (coded) | Version: - | Size: M30 | Contacts: - | Connection: - | Range: Standard
3SE6605-1BA Component: Contact block | Version: - | Size: M30 | Contacts: 1 NO + 1 NC | Connection: Cable 3 m | Range: Standard
3SE6605-1BA02 Component: Contact block | Version: - | Size: M30 | Contacts: 1 NO + 1 NC | Connection: M12 plug, 4-pole | Range: Standard
3SE6704-2BA Component: Switching solenoid (coded) | Version: Operating distance 5 mm | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Standard
3SE6701-2BA Component: Switching solenoid (coded) | Version: Operating distance 8 mm | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Standard
3SE6605-2BA Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 1 NO + 1 NC | Connection: Cable 3 m | Range: Standard
3SE6604-2BA Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: Cable 3 m | Range: Standard
3SE6606-2BA04 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 1 NO + 2 NC | Connection: Cable 3 m | Range: Standard
3SE6605-2BA10 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 1 NO + 1 NC | Connection: Cable 10 m | Range: Standard
3SE6604-2BA10 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: Cable 10 m | Range: Standard
3SE6605-2BA01 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 1 NO + 1 NC | Connection: M8 plug, 4-pole | Range: Standard
3SE6604-2BA01 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: M8 plug, 4-pole | Range: Standard
3SE6704-3BA Component: Switching solenoid (coded) | Version: - | Size: 25 x 33 mm | Contacts: - | Connection: - | Range: Standard
3SE6605-3BA Component: Contact block | Version: - | Size: 25 x 33 mm | Contacts: 1 NO + 1 NC | Connection: Cable 3 m | Range: Standard
3SE6605-3BA05 Component: Contact block | Version: - | Size: 25 x 33 mm | Contacts: 1 NO + 1 NC | Connection: Cable 5 m | Range: Standard
3SE6605-3BA10 Component: Contact block | Version: - | Size: 25 x 33 mm | Contacts: 1 NO + 1 NC | Connection: Cable 10 m | Range: Standard
3SE6714-2CA Component: Switching solenoid (coded) | Version: Same level | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Supplementary, left-hinged
3SE6724-2CA Component: Switching solenoid (coded) | Version: 90° offset | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Supplementary, left-hinged
3SE6614-4CA01 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: M8 plug, 4-pole, with LED | Range: Supplementary, left-hinged
3SE6617-2CA01 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, left-hinged
3SE6617-2CA04 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC + 1 NC | Connection: Cable 3 m | Range: Supplementary, left-hinged
3SE6714-3CA Component: Switching solenoid (coded) | Version: Same level | Size: 26 x 36 mm | Contacts: - | Connection: - | Range: Supplementary, left-hinged
3SE6724-3CA Component: Switching solenoid (coded) | Version: 90° offset | Size: 26 x 36 mm | Contacts: - | Connection: - | Range: Supplementary, left-hinged
3SE6616-3CA01 Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 1 NO + 1 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, left-hinged
3SE6617-3CA01 Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 2 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, left-hinged
3SE6617-3CA04 Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 2 NC + 1 NC | Connection: Cable 3 m | Range: Supplementary, left-hinged
3SE6624-4CA01 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: M8 plug, 4-pole, with LED | Range: Supplementary, right-hinged
3SE6627-2CA01 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, right-hinged
3SE6627-2CA04 Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC + 1 NC | Connection: Cable 3 m | Range: Supplementary, right-hinged
3SE6626-3CA01 Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 1 NO + 1 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, right-hinged
3SE6627-3CA01 Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 2 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, right-hinged
3SE6627-3CA04 Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 2 NC + 1 NC | Connection: Cable 3 m | Range: Supplementary, right-hinged
3SX3260 Component: Spacer | Version: - | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Accessory
3SX3261 Component: Spacer | Version: - | Size: 25 x 33 mm | Contacts: - | Connection: - | Range: Accessory
3SX5600-2GA01 Component: Spacer | Version: - | Size: 26 x 36 mm | Contacts: - | Connection: - | Range: Accessory
3SX5600-2GA02 Component: Spacer | Version: - | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Accessory
3SX5601-3GA05 Component: Connecting cable | Version: - | Size: - | Contacts: - | Connection: M8 socket, 4-pole, Length 5 m | Range: Accessory
3SX5601-4GA05 Component: Connecting cable | Version: - | Size: - | Contacts: - | Connection: Ø 8 mm latching socket 6-pole, 5 m | Range: Accessory
Safety SwitchesSiemens
38 product codes available in this family
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Siemens SIRIUS 3SE66/3SE67 Magnetically Operated Safety Switches

Brand Siemens·Safety Switches

Available part numbers (38)

3SE6704-1BA, 3SE6605-1BA, 3SE6605-1BA02, 3SE6704-2BA, 3SE6701-2BA, 3SE6605-2BA, 3SE6604-2BA, 3SE6606-2BA04, 3SE6605-2BA10, 3SE6604-2BA10 + 28 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3SE6704-1BAComponent: Switching solenoid (coded) | Version: - | Size: M30 | Contacts: - | Connection: - | Range: Standard
3SE6605-1BAComponent: Contact block | Version: - | Size: M30 | Contacts: 1 NO + 1 NC | Connection: Cable 3 m | Range: Standard
3SE6605-1BA02Component: Contact block | Version: - | Size: M30 | Contacts: 1 NO + 1 NC | Connection: M12 plug, 4-pole | Range: Standard
3SE6704-2BAComponent: Switching solenoid (coded) | Version: Operating distance 5 mm | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Standard
3SE6701-2BAComponent: Switching solenoid (coded) | Version: Operating distance 8 mm | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Standard
3SE6605-2BAComponent: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 1 NO + 1 NC | Connection: Cable 3 m | Range: Standard
3SE6604-2BAComponent: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: Cable 3 m | Range: Standard
3SE6606-2BA04Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 1 NO + 2 NC | Connection: Cable 3 m | Range: Standard
3SE6605-2BA10Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 1 NO + 1 NC | Connection: Cable 10 m | Range: Standard
3SE6604-2BA10Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: Cable 10 m | Range: Standard
3SE6605-2BA01Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 1 NO + 1 NC | Connection: M8 plug, 4-pole | Range: Standard
3SE6604-2BA01Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: M8 plug, 4-pole | Range: Standard
3SE6704-3BAComponent: Switching solenoid (coded) | Version: - | Size: 25 x 33 mm | Contacts: - | Connection: - | Range: Standard
3SE6605-3BAComponent: Contact block | Version: - | Size: 25 x 33 mm | Contacts: 1 NO + 1 NC | Connection: Cable 3 m | Range: Standard
3SE6605-3BA05Component: Contact block | Version: - | Size: 25 x 33 mm | Contacts: 1 NO + 1 NC | Connection: Cable 5 m | Range: Standard
3SE6605-3BA10Component: Contact block | Version: - | Size: 25 x 33 mm | Contacts: 1 NO + 1 NC | Connection: Cable 10 m | Range: Standard
3SE6714-2CAComponent: Switching solenoid (coded) | Version: Same level | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Supplementary, left-hinged
3SE6724-2CAComponent: Switching solenoid (coded) | Version: 90° offset | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Supplementary, left-hinged
3SE6614-4CA01Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: M8 plug, 4-pole, with LED | Range: Supplementary, left-hinged
3SE6617-2CA01Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, left-hinged
3SE6617-2CA04Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC + 1 NC | Connection: Cable 3 m | Range: Supplementary, left-hinged
3SE6714-3CAComponent: Switching solenoid (coded) | Version: Same level | Size: 26 x 36 mm | Contacts: - | Connection: - | Range: Supplementary, left-hinged
3SE6724-3CAComponent: Switching solenoid (coded) | Version: 90° offset | Size: 26 x 36 mm | Contacts: - | Connection: - | Range: Supplementary, left-hinged
3SE6616-3CA01Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 1 NO + 1 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, left-hinged
3SE6617-3CA01Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 2 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, left-hinged
3SE6617-3CA04Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 2 NC + 1 NC | Connection: Cable 3 m | Range: Supplementary, left-hinged
3SE6624-4CA01Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC | Connection: M8 plug, 4-pole, with LED | Range: Supplementary, right-hinged
3SE6627-2CA01Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, right-hinged
3SE6627-2CA04Component: Contact block | Version: - | Size: 25 x 88 mm | Contacts: 2 NC + 1 NC | Connection: Cable 3 m | Range: Supplementary, right-hinged
3SE6626-3CA01Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 1 NO + 1 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, right-hinged
3SE6627-3CA01Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 2 NC + 1 NC | Connection: Ø 8 mm latching plug, 6-pole | Range: Supplementary, right-hinged
3SE6627-3CA04Component: Contact block | Version: - | Size: 26 x 36 mm | Contacts: 2 NC + 1 NC | Connection: Cable 3 m | Range: Supplementary, right-hinged
3SX3260Component: Spacer | Version: - | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Accessory
3SX3261Component: Spacer | Version: - | Size: 25 x 33 mm | Contacts: - | Connection: - | Range: Accessory
3SX5600-2GA01Component: Spacer | Version: - | Size: 26 x 36 mm | Contacts: - | Connection: - | Range: Accessory
3SX5600-2GA02Component: Spacer | Version: - | Size: 25 x 88 mm | Contacts: - | Connection: - | Range: Accessory
3SX5601-3GA05Component: Connecting cable | Version: - | Size: - | Contacts: - | Connection: M8 socket, 4-pole, Length 5 m | Range: Accessory
3SX5601-4GA05Component: Connecting cable | Version: - | Size: - | Contacts: - | Connection: Ø 8 mm latching socket 6-pole, 5 m | Range: Accessory

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