• Siemens SIRIUS 3SE71 Cable-Operated Switches (metal, 5-2x100 m)
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Siemens SIRIUS 3SE71 Cable-Operated Switches (metal, 5-2x100 m)

Siemens SIRIUS 3SE71 Cable-Operated Switches (metal, 5-2x100 m)

SIRIUS 3SE71 cable-operated (rope pull) switches in metal enclosures for EMERGENCY-STOP shutdown along conveyors with cable-pull and cable-break monitoring.

Key features

  • Cable lengths 5, 20, 50, 75 m and 2 x 100 m (actuation on both sides)
  • Latching with button reset, key-operated release or EMERGENCY-STOP mushroom
  • Alignment window and optional red 24 V DC LED signal
  • NC contacts with positive opening to IEC 60947-5-1; usable with 3SK safety relays
  • Metal enclosures IP65 / IP67, versions with yellow cover

Specifications

Brand Siemens
Product line SIRIUS 3SE71
Enclosure material Metal (cover plastic)
Monitoring Cable-pull and cable-break
Positive opening IEC 60947-5-1, Annex K
PU 1 unit
Source Siemens Catalog IC 10 · 2026, p. 1366-1368
3SE7120-2DD01 Enclosure: Metal IP65 | Cable length: 5 m | Version: No latching, spring 55 N | Contacts: 1 NO + 1 NC
3SE7120-2DD01-1AS7 Enclosure: Metal IP65 | Cable length: 5 m | Version: No latching, spring 100 N | Contacts: 1 NO + 1 NC
3SE7120-1BF00 Enclosure: Metal IP65, alignment window | Cable length: 5 m | Version: Latching, button reset | Contacts: 2 NC
3SE7120-1BH00 Enclosure: Metal IP65, alignment window | Cable length: 5 m | Version: Latching, button reset, yellow cover | Contacts: 1 NO + 2 NC
3SE7150-2DD00 Enclosure: Metal IP65, alignment window | Cable length: 20 m | Version: No latching | Contacts: 1 NO + 1 NC
3SE7150-1BD00 Enclosure: Metal IP65, alignment window | Cable length: 20 m | Version: Latching, button reset | Contacts: 1 NO + 1 NC
3SE7150-1BF00 Enclosure: Metal IP65, alignment window | Cable length: 20 m | Version: Latching, button reset | Contacts: 2 NC
3SE7150-1BH00 Enclosure: Metal IP65, alignment window | Cable length: 20 m | Version: Latching, button reset, yellow cover | Contacts: 1 NO + 2 NC
3SE7150-2DD04 Enclosure: Metal IP65, window, LED red 24 V DC | Cable length: 20 m | Version: No latching | Contacts: 1 NO + 1 NC
3SE7150-1BD04 Enclosure: Metal IP65, window, LED red 24 V DC | Cable length: 20 m | Version: Latching, button reset | Contacts: 1 NO + 1 NC
3SE7150-1BH04 Enclosure: Metal IP65, window, LED red 24 V DC | Cable length: 20 m | Version: Latching, button reset, yellow cover | Contacts: 1 NO + 2 NC
3SE7140-1BD00 Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, button reset | Contacts: 1 NO + 1 NC
3SE7140-1BF00 Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, button reset | Contacts: 2 NC
3SE7140-1BD04 Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, LED red 24 V, 1 x M20 | Contacts: 1 NO + 1 NC
3SE7140-1BD04-1AS6 Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, LED red 24 V, 2 x M25 | Contacts: 1 NO + 1 NC
3SE7140-1CD00 Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, key-operated release | Contacts: 1 NO + 1 NC
3SE7141-1EG10 Enclosure: Metal IP67 | Cable length: 75 m | Version: E-stop mushroom, rotate to unlatch | Contacts: 1 NO + 3 NC
3SE7141-1EG10-0CA1 Enclosure: Metal IP67 | Cable length: 75 m | Version: E-stop mushroom, yellow cover | Contacts: 1 NO + 3 NC
3SE7160-1AE00 Enclosure: Metal IP65, actuation both sides | Cable length: 2 x 100 m | Version: Latching, button reset | Contacts: 2 NO + 2 NC
3SE7160-1BD00 Enclosure: Metal IP65, actuation both sides | Cable length: 2 x 100 m | Version: Latching, button reset | Contacts: 1 NO + 1 NC
3SE7160-1AE04 Enclosure: Metal IP65, actuation both sides | Cable length: 2 x 100 m | Version: Latching, button reset, LED red 24 V | Contacts: 2 NO + 2 NC
Safety SwitchesSiemens
21 product codes available in this family
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Siemens SIRIUS 3SE71 Cable-Operated Switches (metal, 5-2x100 m)

Brand Siemens·Safety Switches

Available part numbers (21)

3SE7120-2DD01, 3SE7120-2DD01-1AS7, 3SE7120-1BF00, 3SE7120-1BH00, 3SE7150-2DD00, 3SE7150-1BD00, 3SE7150-1BF00, 3SE7150-1BH00, 3SE7150-2DD04, 3SE7150-1BD04 + 11 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3SE7120-2DD01Enclosure: Metal IP65 | Cable length: 5 m | Version: No latching, spring 55 N | Contacts: 1 NO + 1 NC
3SE7120-2DD01-1AS7Enclosure: Metal IP65 | Cable length: 5 m | Version: No latching, spring 100 N | Contacts: 1 NO + 1 NC
3SE7120-1BF00Enclosure: Metal IP65, alignment window | Cable length: 5 m | Version: Latching, button reset | Contacts: 2 NC
3SE7120-1BH00Enclosure: Metal IP65, alignment window | Cable length: 5 m | Version: Latching, button reset, yellow cover | Contacts: 1 NO + 2 NC
3SE7150-2DD00Enclosure: Metal IP65, alignment window | Cable length: 20 m | Version: No latching | Contacts: 1 NO + 1 NC
3SE7150-1BD00Enclosure: Metal IP65, alignment window | Cable length: 20 m | Version: Latching, button reset | Contacts: 1 NO + 1 NC
3SE7150-1BF00Enclosure: Metal IP65, alignment window | Cable length: 20 m | Version: Latching, button reset | Contacts: 2 NC
3SE7150-1BH00Enclosure: Metal IP65, alignment window | Cable length: 20 m | Version: Latching, button reset, yellow cover | Contacts: 1 NO + 2 NC
3SE7150-2DD04Enclosure: Metal IP65, window, LED red 24 V DC | Cable length: 20 m | Version: No latching | Contacts: 1 NO + 1 NC
3SE7150-1BD04Enclosure: Metal IP65, window, LED red 24 V DC | Cable length: 20 m | Version: Latching, button reset | Contacts: 1 NO + 1 NC
3SE7150-1BH04Enclosure: Metal IP65, window, LED red 24 V DC | Cable length: 20 m | Version: Latching, button reset, yellow cover | Contacts: 1 NO + 2 NC
3SE7140-1BD00Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, button reset | Contacts: 1 NO + 1 NC
3SE7140-1BF00Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, button reset | Contacts: 2 NC
3SE7140-1BD04Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, LED red 24 V, 1 x M20 | Contacts: 1 NO + 1 NC
3SE7140-1BD04-1AS6Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, LED red 24 V, 2 x M25 | Contacts: 1 NO + 1 NC
3SE7140-1CD00Enclosure: Metal IP65 | Cable length: 50 m | Version: Latching, key-operated release | Contacts: 1 NO + 1 NC
3SE7141-1EG10Enclosure: Metal IP67 | Cable length: 75 m | Version: E-stop mushroom, rotate to unlatch | Contacts: 1 NO + 3 NC
3SE7141-1EG10-0CA1Enclosure: Metal IP67 | Cable length: 75 m | Version: E-stop mushroom, yellow cover | Contacts: 1 NO + 3 NC
3SE7160-1AE00Enclosure: Metal IP65, actuation both sides | Cable length: 2 x 100 m | Version: Latching, button reset | Contacts: 2 NO + 2 NC
3SE7160-1BD00Enclosure: Metal IP65, actuation both sides | Cable length: 2 x 100 m | Version: Latching, button reset | Contacts: 1 NO + 1 NC
3SE7160-1AE04Enclosure: Metal IP65, actuation both sides | Cable length: 2 x 100 m | Version: Latching, button reset, LED red 24 V | Contacts: 2 NO + 2 NC

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