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    Contactors & Auxiliary Contacts

    The RS range of contactors and auxiliary contacts provides the solutions you need for heavy-duty electrical applications for industrial-grade machinery. Used in everything from lighting and furnace heating control to automation machinery and materials handling, a high-quality range of contactors is essential for electrical regulation. RS supplies contactors and auxiliary contacts from trusted brands such as SIEMENS, Schneider Electric, ABB, Eaton, Allen Bradley and our own RS PRO range.

    Selecting the Right Contactor for You

    Contactors are similar to relays in that they behave like remote switches, but are designed specifically for high current applications in power management. As such, unlike relays, they are typically used in a normally open (NO) position and are generally larger in size. Though most contactors provide the same switching function, they are typically configured for specific conditions.

    Whether you require a contactor for a starter motor or as part of a more complex power control device, there are a number of important factors to consider when making your selection. Variables such as the AC number, coil voltage and power ratings will all have to be considered to be sure that the contactor is compatible with the intended device or system. It is also important to check if the contactor is certified with appropriate industrial standards.

    Although they can be used as stand-alone hardware control gear such as push-button controllers, auxiliary contacts are typically internal components of a contactor and are used to reduce current power in high voltage applications. A range of auxiliary contacts is available to compliment your contactor solution

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    13242 Products showing for Contactors & Auxiliary Contacts

    1 of 663
    Better World
    Schneider Electric TeSys D Mechanical Interlock for use with LC1 Series
    • RS Stock No. 400-1489
    • Mfr. Part No. LAD9R1V
    Each
    $170.20
    Siemens 3RA29 Connector for use with 3RT202
    • RS Stock No. 211-5945
    • Mfr. Part No. 3RA2926-1A
    Each
    $59.30
    Better World
    Schneider Electric Contactor Coil for use with LC1 Series
    • RS Stock No. 394-9122
    • Mfr. Part No. LXD1V7
    Each
    $67.62
    Siemens SIRIUS Innovation 3TG1 Contactor, 24 V dc Coil, 4-Pole, 20 A, 3NO + 1NC, 400 V ac
    • RS Stock No. 392-7835
    • Mfr. Part No. 3TG1001-0BB4
    Each
    $596.86
    Schneider Electric TeSys GC GC25 Contactor, 230 V ac Coil, 4-Pole, 25 A, 4NC, 415 V ac
    • RS Stock No. 744-6863
    • Mfr. Part No. GC2504M5
    Each
    $115.18
    ABB A9-30-10 A Line Contactor, 220 → 230 V Coil, 3-Pole, 25 A, 4 kW, 3NO
    • RS Stock No. 225-5840
    • Mfr. Part No. 1SBL141001R8010 A9-30-10
    Each
    $115.54
    Siemens Auxiliary Contact, 2 Contact, 2NO, Plug In, SIRIUS
    • RS Stock No. 706-1891
    • Mfr. Part No. 3RV2901-1F
    Each
    $53.10
    Better World
    Schneider Electric Auxiliary Contact, 1 Contact, 1 C/O, Clip-On, Acti9 A9N
    • RS Stock No. 272-7434
    • Mfr. Part No. A9N26904
    Each
    $110.55
    Better World
    Schneider Electric TeSys Pneumatic Timer for use with TeSys CAD Contactor, TeSys LC1D Contactor, TeSys LC1F Contactor,
    • RS Stock No. 400-1445
    • Mfr. Part No. LADS2
    Each
    $166.83
    Legrand CX3 Contactor, 230 V ac Coil, 16 A
    • RS Stock No. 731-9512
    • Mfr. Part No. 4 124 16
    Each
    $495.87
    Better World
    Siemens SIRIUS 3RT Size S6, 3RT1 Contactor, 230 V ac Coil, 3-Pole, 185 A, 90 kW, 3NO, 400 V ac
    • RS Stock No. 751-5571
    • Mfr. Part No. 3RT1056-6AP36
    Each
    $1,311.63
    Siemens SIRIUS Contactor Assembly Kit for use with AC-3 Star Delta (Wye Delta) Starter, 690 V ac
    • RS Stock No. 179-2346
    • Mfr. Part No. 3RA2434-8XF32-1AL2
    Each
    $1,793.20
    Lovato BF Contactor, 24 V ac Coil, 4-Pole, 25 A, 4 kW, 4NO, 660 V ac, 690 V ac
    • RS Stock No. 188-1525
    • Mfr. Part No. BF09T4A024
    Each
    $67.17
    ABB Auxiliary Contact Block, 1 Contact, 1NC, Front Mount CA5
    • RS Stock No. 445-8021
    • Mfr. Part No. 1SBN010010R1001
    Each
    $20.97
    ABB Jokab AFS30-30-22-11 AFS Contactor, 24 → 60 V ac Coil, 3-Pole, 50 A, 3NO, 600 V ac
    • RS Stock No. 175-3219
    • Mfr. Part No. 1SBL277082R1122 AFS30-30-22-11
    Each
    $411.22
    Better World
    Siemens SIRIUS 3RT Size S00, 3RT2 Contactor, 24 V dc Coil, 3-Pole, 16 A, 7.5 kW, 3NO, 400 V ac
    • RS Stock No. 706-1235
    • Mfr. Part No. 3RT2018-1BB41
    Each
    $123.94
    Siemens SIRIUS 3RH2 Contactor Relay, 10 A, 3 NO + 1 NC
    • RS Stock No. 236-8405
    • Mfr. Part No. 3RH2431-1AF00
    Each
    $503.02
    Eaton Contactor Enclosure for use with DIL00AM
    • RS Stock No. 250-9339
    • Mfr. Part No. 024315 CI-B
    Each
    $118.77
    Eaton Auxiliary Contact, 2 Contact, 1NC + 1NO, Front Mount
    • RS Stock No. 493-0624
    • Mfr. Part No. 277376 DILM32-XHI11
    Each
    $22.35
    Better World
    Schneider Electric TeSys D LC1D Contactor, 24 V ac Coil, 3-Pole, 25 A, 11 kW, 3NO, 690 V ac
    • RS Stock No. 394-9706
    • Mfr. Part No. LC1D25B7
    Each
    $266.62
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