• Siemens SIRIUS 3RT Spare Main Contacts, Arc Chutes & Interrupters
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Siemens SIRIUS 3RT Spare Main Contacts, Arc Chutes & Interrupters

Siemens SIRIUS 3RT Spare Main Contacts, Arc Chutes & Interrupters

Spare main contact sets, arc chutes and vacuum interrupter sets for SIRIUS 3RT2 (S2/S3), 3RT1 (S6-S12) and 3RT12 vacuum contactors.

Key features

  • Main contacts for AC-3/AC-3e (3 NO) and AC-1 (3 NO or 4 NO)
  • 1 set = 3 movable and 6 fixed contacts with fixing parts
  • Arc chutes for S6 to S12 contactors with AC/DC coil
  • Vacuum interrupter sets for 3RT12 contactors

Specifications

Brand line SIRIUS
Manufacturer Siemens
Product category Accessories
Catalog chapter Contactors for switching motors
Catalog section 3RT/3RH2 spare parts: Contacts and arc chutes
Source Siemens Catalog IC 10 · 2026, p. 248, 258
3RT2935-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2035 | Size: S2 | Scope: 3 movable + 6 fixed contacts
3RT2936-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2036 | Size: S2 | Scope: 3 movable + 6 fixed contacts
3RT2937-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2037 | Size: S2 | Scope: 3 movable + 6 fixed contacts
3RT2938-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2038 | Size: S2 | Scope: 3 movable + 6 fixed contacts
3RT2945-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2045 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT2946-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2046 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT2947-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2047 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT1954-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1054 | Size: S6 | Scope: 3 movable + 6 fixed contacts
3RT1955-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1055 | Size: S6 | Scope: 3 movable + 6 fixed contacts
3RT1956-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1056 | Size: S6 | Scope: 3 movable + 6 fixed contacts
3RT1964-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1064 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1965-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1065 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1966-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1066 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1975-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1075 | Size: S12 | Scope: 3 movable + 6 fixed contacts
3RT1976-6A Part: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1076 | Size: S12 | Scope: 3 movable + 6 fixed contacts
3RT2946-6D Part: Main contacts 3 NO, AC-1 | For: 3RT2446 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT2948-6D Part: Main contacts 3 NO, AC-1 | For: 3RT2448 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT1956-6D Part: Main contacts 3 NO, AC-1 | For: 3RT1456 | Size: S6 | Scope: 3 movable + 6 fixed contacts
3RT1966-6D Part: Main contacts 3 NO, AC-1 | For: 3RT1466 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1967-6D Part: Main contacts 3 NO, AC-1 | For: 3RT1467 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1976-6D Part: Main contacts 3 NO, AC-1 | For: 3RT1476 | Size: S12 | Scope: 3 movable + 6 fixed contacts
3RT2936-6E Part: Main contacts 4 NO, AC-1 | For: 3RT2336 | Size: S2 | Scope: 3+6 contacts + replacement pole
3RT2937-6E Part: Main contacts 4 NO, AC-1 | For: 3RT2337 | Size: S2 | Scope: 3+6 contacts + replacement pole
3RT1954-7A Part: Arc chute | For: 3RT1054 | Size: S6 | Scope: Only for contactors w. AC/DC coil
3RT1955-7A Part: Arc chute | For: 3RT1055 | Size: S6 | Scope: Only for contactors w. AC/DC coil
3RT1956-7A Part: Arc chute | For: 3RT1056 | Size: S6 | Scope: Only for contactors w. AC/DC coil
3RT1956-7B Part: Arc chute | For: 3RT1456 | Size: S6 | Scope: Only for contactors w. AC/DC coil
3RT1964-7A Part: Arc chute | For: 3RT1064 | Size: S10 | Scope: Only for contactors w. AC/DC coil
3RT1965-7A Part: Arc chute | For: 3RT1065 | Size: S10 | Scope: Only for contactors w. AC/DC coil
3RT1966-7A Part: Arc chute | For: 3RT1066 | Size: S10 | Scope: Only for contactors w. AC/DC coil
3RT1966-7B Part: Arc chute | For: 3RT1466 | Size: S10 | Scope: Only for contactors w. AC/DC coil
3RT1975-7A Part: Arc chute | For: 3RT1075 | Size: S12 | Scope: Only for contactors w. AC/DC coil
3RT1976-7A Part: Arc chute | For: 3RT1076 | Size: S12 | Scope: Only for contactors w. AC/DC coil
3RT1976-7B Part: Arc chute | For: 3RT1476 | Size: S12 | Scope: Only for contactors w. AC/DC coil
3RT1964-6V Part: Vacuum interrupters (set of 3) | For: 3RT1264 | Size: S10 | Scope: 3 interrupters with fixing parts
3RT1965-6V Part: Vacuum interrupters (set of 3) | For: 3RT1265 | Size: S10 | Scope: 3 interrupters with fixing parts
3RT1966-6V Part: Vacuum interrupters (set of 3) | For: 3RT1266 | Size: S10 | Scope: 3 interrupters with fixing parts
3RT1975-6V Part: Vacuum interrupters (set of 3) | For: 3RT1275 | Size: S12 | Scope: 3 interrupters with fixing parts
3RT1976-6V Part: Vacuum interrupters (set of 3) | For: 3RT1276 | Size: S12 | Scope: 3 interrupters with fixing parts
AccessoriesSiemens
39 product codes available in this family
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Siemens SIRIUS 3RT Spare Main Contacts, Arc Chutes & Interrupters

Brand Siemens·Accessories

Available part numbers (39)

3RT2935-6A, 3RT2936-6A, 3RT2937-6A, 3RT2938-6A, 3RT2945-6A, 3RT2946-6A, 3RT2947-6A, 3RT1954-6A, 3RT1955-6A, 3RT1956-6A + 29 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3RT2935-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2035 | Size: S2 | Scope: 3 movable + 6 fixed contacts
3RT2936-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2036 | Size: S2 | Scope: 3 movable + 6 fixed contacts
3RT2937-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2037 | Size: S2 | Scope: 3 movable + 6 fixed contacts
3RT2938-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2038 | Size: S2 | Scope: 3 movable + 6 fixed contacts
3RT2945-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2045 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT2946-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2046 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT2947-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT2047 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT1954-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1054 | Size: S6 | Scope: 3 movable + 6 fixed contacts
3RT1955-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1055 | Size: S6 | Scope: 3 movable + 6 fixed contacts
3RT1956-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1056 | Size: S6 | Scope: 3 movable + 6 fixed contacts
3RT1964-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1064 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1965-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1065 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1966-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1066 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1975-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1075 | Size: S12 | Scope: 3 movable + 6 fixed contacts
3RT1976-6APart: Main contacts 3 NO, AC-3/AC-3e | For: 3RT1076 | Size: S12 | Scope: 3 movable + 6 fixed contacts
3RT2946-6DPart: Main contacts 3 NO, AC-1 | For: 3RT2446 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT2948-6DPart: Main contacts 3 NO, AC-1 | For: 3RT2448 | Size: S3 | Scope: 3 movable + 6 fixed contacts
3RT1956-6DPart: Main contacts 3 NO, AC-1 | For: 3RT1456 | Size: S6 | Scope: 3 movable + 6 fixed contacts
3RT1966-6DPart: Main contacts 3 NO, AC-1 | For: 3RT1466 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1967-6DPart: Main contacts 3 NO, AC-1 | For: 3RT1467 | Size: S10 | Scope: 3 movable + 6 fixed contacts
3RT1976-6DPart: Main contacts 3 NO, AC-1 | For: 3RT1476 | Size: S12 | Scope: 3 movable + 6 fixed contacts
3RT2936-6EPart: Main contacts 4 NO, AC-1 | For: 3RT2336 | Size: S2 | Scope: 3+6 contacts + replacement pole
3RT2937-6EPart: Main contacts 4 NO, AC-1 | For: 3RT2337 | Size: S2 | Scope: 3+6 contacts + replacement pole
3RT1954-7APart: Arc chute | For: 3RT1054 | Size: S6 | Scope: Only for contactors w. AC/DC coil
3RT1955-7APart: Arc chute | For: 3RT1055 | Size: S6 | Scope: Only for contactors w. AC/DC coil
3RT1956-7APart: Arc chute | For: 3RT1056 | Size: S6 | Scope: Only for contactors w. AC/DC coil
3RT1956-7BPart: Arc chute | For: 3RT1456 | Size: S6 | Scope: Only for contactors w. AC/DC coil
3RT1964-7APart: Arc chute | For: 3RT1064 | Size: S10 | Scope: Only for contactors w. AC/DC coil
3RT1965-7APart: Arc chute | For: 3RT1065 | Size: S10 | Scope: Only for contactors w. AC/DC coil
3RT1966-7APart: Arc chute | For: 3RT1066 | Size: S10 | Scope: Only for contactors w. AC/DC coil
3RT1966-7BPart: Arc chute | For: 3RT1466 | Size: S10 | Scope: Only for contactors w. AC/DC coil
3RT1975-7APart: Arc chute | For: 3RT1075 | Size: S12 | Scope: Only for contactors w. AC/DC coil
3RT1976-7APart: Arc chute | For: 3RT1076 | Size: S12 | Scope: Only for contactors w. AC/DC coil
3RT1976-7BPart: Arc chute | For: 3RT1476 | Size: S12 | Scope: Only for contactors w. AC/DC coil
3RT1964-6VPart: Vacuum interrupters (set of 3) | For: 3RT1264 | Size: S10 | Scope: 3 interrupters with fixing parts
3RT1965-6VPart: Vacuum interrupters (set of 3) | For: 3RT1265 | Size: S10 | Scope: 3 interrupters with fixing parts
3RT1966-6VPart: Vacuum interrupters (set of 3) | For: 3RT1266 | Size: S10 | Scope: 3 interrupters with fixing parts
3RT1975-6VPart: Vacuum interrupters (set of 3) | For: 3RT1275 | Size: S12 | Scope: 3 interrupters with fixing parts
3RT1976-6VPart: Vacuum interrupters (set of 3) | For: 3RT1276 | Size: S12 | Scope: 3 interrupters with fixing parts

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