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Switch Start Chokes

Magnetic switch start chokes are used for fluorescent and compact fluorescent lamps. Wire wound chokes are robust and cost effective solutions as they have very long lives.

  • Helvar L11D Choke
    £5.95 Helvar L11D Choke
    This is a Helvar L13D 13w wire wound choke to run 1 x 5w, 7w, 9w, or 11w single turn compact fluorescent or 1 x 8w T5 Fluorescent tube
  • Helvar L13D Choke
    £5.95 Helvar L13D Choke
    This is a Helvar L13D 13w wire wound choke to run 1 x 10w or 13w Double turn compact fluorescent lamp, 2 x 5w, 7w, 9w Single turn compact fluorescent lamp, 2 x 6w or 8w T5 fluorescent tubes or 1 x 13w T5 fluorescent tube.
  • Helvar L15A Choke
    £5.95 Helvar L15A Choke
    This is a Helvar L15A 15w wire wound choke to run 1 x 15w T8 Fluorescent Tube
  • Helvar L18A Choke
    £5.95 Helvar L18A Choke
    This is a Helvar L18A 18w wire wound choke to run 1 x 18w T8 Fluorescent Tube
  • Helvar L30A-P Choke
    £5.95 Helvar L30A-P Choke
    This is a Helvar L30A-P 30w wire wound choke to run 1 x 30w T8 Fluorescent Tube or 2 x 15w T8 Fluorescent Tube
  • Helvar L75A-S Choke
    £7.95 Helvar L75A-S Choke
    This is a Helvar L75A-S 75w wire wound choke to run 1 x 70w T8 Fluorescent Tube or 1 x 75w T12 Fluorescent Tube
  • Tridonic EC 09 A27
    £7.65 Tridonic EC 09 A27
    A wire wound switch start choke to run compact fluorescents from 5 to 11 Watts. This choke can be used to run: 1 x 5 Watt Compact Fluorescent 1 x 7 Watt Compact Fluorescent 1 x 9 Watt Compact Fluorescent 1 x 11 Watt...
  • Tridonic EC 100 A140
    £12.27 Tridonic EC 100 A140
    A wire wound switch start choke to run 100 Watt linear fluorescents. This choke can be used to run: 1 x 100 Watt Linear Fluorescent
  • Tridonic EC 13 C102K
    £4.91 Tridonic EC 13 C102K
    The Tridonic EC13 C102K is a low loss, wire wound switch start choke to run compact fluorescents from 10 to 13 Watts. This choke can be used to run: 1 x 10 Watt T8 fluorescent tube OR 1 x 13 Watt T5 fluorescent tube OR 2 x...
  • Tridonic EC 15 C502K
    £4.91 Tridonic EC 15 C502K
    A wire wound switch start choke to run 15 Watt linear fluorescents. This choke can be used to run: 1 x 15 Watt Linear Fluorescent
  • Tridonic EC 16 C102K
    £7.65 Tridonic EC 16 C102K
    A wire wound switch start choke to run 16 Watt compact fluorescents. This choke can be used to run: 1 x 16 Watt
  • Tridonic EC 18 LC502K
    £7.65 Tridonic EC 18 LC502K
    A wire wound switch start choke to run 18 Watt linear fluorescents. This choke can be used to run: 1 x 18 Watt Linear Fluorescent
  • Tridonic EC 26 LC102K
    £4.27 Tridonic EC 26 LC102K
    A wire wound switch start choke to run compact fluorescents from 24 to 26 Watts. This choke can be used to run: 1 x 24 Watt Compact Fluorescent 1 x 26 Watt Compact Fluorescent
  • Tridonic EC 30 C502K
    £7.65 Tridonic EC 30 C502K
    A wire wound switch start choke to run linear fluorescents from 22 to 30 Watts. This choke can be used to run: 1 x 22 Watt Linear Fluorescent OR 2 x 15 Watt Linear Fluorescents
  • Tridonic EC 32 A502K
    £4.27 Tridonic EC 32 A502K
    A wire wound switch start choke to run 32 Watt linear fluorescents. This choke can be used to run: 1 x 32 Watt Linear Fluorescent
  • Tridonic EC 36 LC502K
    £5.70 Tridonic EC 36 LC502K
    A wire wound switch start choke to run linear fluorescents from 36 to 40 Watts. This choke can be used to run: 1 x 36 Watt Linear Fluorescent 1 x 38 Watt Linear Fluorescent 1 x 40 Watt Linear Fluorescent OR 2 x 18 Watt...
  • Tridonic EC 4/8 A27
    £7.65 Tridonic EC 4/8 A27
    A wire wound switch start choke to run linear fluorescent tubes from 4 to 8 Watts. This choke can be used to run: 1 x 4 Watt Linear Fluorescent 1 x 6 Watt Linear Fluorescent 1 x 8 Watt Linear Fluorescent OR 2 x 4 Watt...
  • Tridonic EC 58 C502K
    £12.27 Tridonic EC 58 C502K
    A wire wound switch start choke to run linear fluorescents from 58 to 65 Watts. This choke can be used to run: 1 x 58 Watt Linear Fluorescent 1 x 65 Watt Linear Fluorescent
  • Tridonic EC 70 C502K
    £5.45 Tridonic EC 70 C502K
    A wire wound switch start choke to run linear fluorescents from 70 to 85 Watts. This choke can be used to run: 1 x 70 Watt Linear Fluorescent 1 x 75 Watt Linear Fluorescent