What are 1-phase track systems?

1-phase track systems are high-voltage lighting rails that carry a single electrical circuit and connect directly to the 230V mains. Because there is only one circuit, all fixtures mounted on a 1-phase track are switched together with one wall switch. The rail acts as both the mechanical holder and the current conductor, so no separate transformer is needed. Track lights with 1-phase adapter simply click into the rail via their adapter. This makes 1-phase track systems the simplest and most affordable option for retail floors, offices, exhibition stands and homes where one switched lighting group is sufficient.

How do you connect a single-phase light?

To connect a single-phase light, the fixture is fitted with a 1-phase adapter that clicks into a high-voltage single-circuit rail. The adapter locks the light mechanically and transfers 230V power directly, so no transformer is required. The rail itself is fed at the beginning or end via a feed-in connector wired to the ceiling supply. Because these systems run on 230V mains and are electrical safety class I, the wiring must be carried out by a qualified electrician following the applicable standards and regulations. Once installed, the whole track is operated with a single switch.

What is the difference between 1-phase and 3-phase track lighting?

The difference between 1-phase and 3-phase track lighting lies in the number of independent circuits. A 1-phase track carries one circuit, so every fixture is switched together with a single switch – simple and economical. A 3-phase track carries three separate circuits, letting you switch or dim up to three lighting groups independently on the same rail. Choose 1-phase track lighting when one switched zone is enough, for example in offices, cafés or exhibition stands. Choose 3-phase when you need to control several groups separately, such as accent, general and display lighting in a larger retail space.

What is a single-circuit track light?

A single-circuit track light is simply another name for a 1-phase track light. It is a spotlight or pendant fixture that mounts on a high-voltage rail carrying one shared electrical circuit at 230V. Because there is only one circuit, all single-circuit track lights on the same rail turn on and off together with a single switch. These fixtures use a 1-phase adapter to click into the rail and most feature a GU10 socket for lamps up to 50W. Single-circuit track lights are ideal wherever a straightforward, cost-effective and repositionable lighting solution is required.

Can I use regular lights on track systems?

Yes, regular lights can be used on a 1-phase track system with the help of a universal light adapter. This adapter connects many non-system, third-party high-voltage fixtures – including pendant luminaires – to the single-circuit rail. Pendant adapters typically carry a maximum of 3kg per fixture, so always check the weight limit. The fixture must be suitable for 230V high-voltage operation and comply with electrical safety class I. When combining brands, confirm the adapter matches your rail so the connection is both mechanically secure and electrically safe, ideally verified by a qualified electrician.

What is the maximum load per track and per fixture?

The maximum load on track lights with 1-phase adapter is set by two limits. Per fixture, GU10 spotlights are usually rated up to 50W, while twin-head models allow up to 2 x 50W. Pendant adapters typically support a maximum of 3kg mechanical load. For the whole rail, the total permitted power depends on the rated current of the specific 1-phase system on its 230V circuit, so add up the wattage of all fixtures and stay within that capacity with a reserve. For large installations, plan feed-in points and power distribution carefully to avoid overloading the track.

What does a track light with 1-phase adapter cost?

The cost of a track light with 1-phase adapter depends on the fixture type and brand. At LTT, single-head GU10 spotlights such as the SLV PURI series start at around €27 to €30 each, while twin-head models like the BIMA 2 sit near €61. Larger QPAR111 reflector spotlights such as the KALU TRACK series cost roughly €65 upwards. Accessories like connectors, feed-ins and end caps are priced separately. LTT offers free shipping from €69 and a 3-year warranty on many items, so ordering a complete system remains economical for both commercial and event projects.

Which track light suits an exhibition stand?

For an exhibition stand, adjustable single- or twin-head GU10 spotlights with a 1-phase adapter are the ideal choice. They let you re-aim light within seconds between build-up and show day and are easy to add or remove without rewiring. Aluminium heads such as the SLV PURI or BIMA series offer durable, fully swivel and rotatable fixtures for precise accenting of products and displays. Choose a narrow beam angle to highlight objects and a wider beam for general coverage. If your stand uses a truss structure instead of a fixed ceiling, consider truss-mounted lighting as an alternative mounting concept.

Track Lights with 1-Phase Adapter

SLV LIGHT EYE GU10 Spot, kupferfarben, GU10, max. 50W, inkl. 1P.-Adapter

SLV LIGHT EYE spot for 240V 1-phase track, QPAR51, copper colour, max. 50W, incl. 1-phase adapter

The LIGHT EYE high-voltage spot is available in the latest trendy colours, and is equipped with an adapter for the 240V 1-phase track system. The round shaped luminaire is made of steel and, thanks...

€65.55 *

incl. tax, plus shipping costs

Availability:

Currently not available

SLV LIGHT EYE Pendelleuchte für 1Phasen Hochvoltschiene, QPAR111, weiß

SLV LIGHT EYE, pendant for 240V 1-phase track, QPAR111, white / chrome, max. 75W, incl. 1-phase

High-voltage pendant LIGHT EYE with adapter for the 240V 1-phase track system. The round-shaped luminaire is made from steel and is equipped with a textile-coated cable, thanks to the built-in GU10...

€115.50 *

incl. tax, free shipping to Germany
[International shipping costs]

Availability:

Currently not available

SLV 1~ PARA CONE 14 QPAR51, 1 Phasen System Leuchte, kupfer/weiß, inkl. 1

SLV 1~ PARA CONE 14 QPAR51, 1-circuit system luminaire, copper/white, incl. 1-circuit adapter

With its conically shaped reflector, the 1~ PARA CONE 14 QPAR51 1-phase system light copper/white incl. 1-phase adapter provides a particularly warm lighting effect. The family can be individually...

€77.87 *

incl. tax, free shipping to Germany
[International shipping costs]

Availability:

Currently not available

SLV PURI 2.0 Basic, 1~ Spot, GU10, 1x max. 6W, schwarz

SLV PURI 2.0 Basic, 1~ spot, GU10, 1x max. 6W, black

Combine timeless design with great design freedom: the new PURI 2.0 is now also available as a Mix & Match system. There is a base in the form of a pendant light or a spotlight for the 1- and...

€30.63 *

incl. tax, plus shipping costs

Availability:

Currently not available;
Article is coming soon

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SLV PURI 2.0 Basic, 1~ Spot, GU10, 1x max. 6W, weiß

SLV PURI 2.0 Basic, 1~ spot, GU10, 1x max. 6W, white

Combine timeless design with great design freedom: the new PURI 2.0 is now also available as a Mix & Match system. There is a base in the form of a pendant light or a spotlight for the 1- and...

€30.63 *

incl. tax, plus shipping costs

Availability:

Currently not available

SLV PURI 2.0 Basic, 1~ Spot, GU10, 1x max. 6W, grau

SLV PURI 2.0 Basic, 1~ spot, GU10, 1x max. 6W, grey

Combine timeless design with great design freedom: the new PURI 2.0 is now also available as a Mix & Match system. There is a base in the form of a pendant light or a spotlight for the 1- and...

€30.63 *

incl. tax, plus shipping costs

Availability:

Currently not available

SLV LALU® SET, 1~ Pendelleuchte, LED Base, CONE 15, PHASE, Pendellänge 200 cm, 2700/3000K, 40°

SLV LALU® SET, 1~ pendant light, LED base, CONE 15, PHASE, pendant length 200 cm, 2700/3000K

The LALU® light range brings decorative variety to living spaces, hotels and restaurants: the mix & match concept allows different light bases and shades in trendy shapes and colours to be...

€221.73 *

incl. tax, free shipping to Germany
[International shipping costs]

Availability:

Currently not available

SLV LALU® SET, 1~ Pendelleuchte, LED Base, ELYPSE 22, PHASE, Pendellänge 200 cm, 2700/3000K

SLV LALU® SET, 1~ pendant light, LED base, ELYPSE 22, PHASE, pendant length 200 cm, 2700/3000K

The LALU® light range brings decorative variety to living spaces, hotels and restaurants: the mix & match concept allows different light bases and shades in trendy shapes and colours to be...

€221.73 *

incl. tax, free shipping to Germany
[International shipping costs]

Availability:

Currently not available

SLV LALU® SET, 1~ Pendelleuchte, LED Base, TETRA 24, PHASE, Pendellänge 200 cm, 2700/3000K

SLV LALU® SET, 1~ pendant light, LED base, TETRA 24, PHASE, pendant length 200 cm, 2700/3000K

The LALU® light range brings decorative variety to living spaces, hotels and restaurants: the mix & match concept allows different light bases and shades in trendy shapes and colours to be...

€235.20 *

incl. tax, free shipping to Germany
[International shipping costs]

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Currently not available

SLV LALU® SET, 1~ Pendelleuchte, LED Base, PLATE 22, PHASE, Pendellänge 200 cm, 2700/3000K

SLV LALU® SET, 1~ pendant light, LED base, PLATE 22, PHASE, pendant length 200 cm, 2700/3000K

The LALU® light range brings decorative variety to living spaces, hotels and restaurants: the mix & match concept allows different light bases and shades in trendy shapes and colours to be...

€219.98 *

incl. tax, free shipping to Germany
[International shipping costs]

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Currently not available

SLV KALU 2.0, 1~ Spot, PHASE, zylindrisch, 3000 K, 10 W, 36°, schwarz

SLV KALU 2.0, 1~ spot, PHASE, cylindrical, 3000 K, 10W, 36°, black

KALU 2.0 presents the decorative lighting classic in a new look. The clear design with interchangeable front rings and four lens options (15°, 24°, 36°, 60°) offers maximum...

€130.38 *

incl. tax, free shipping to Germany
[International shipping costs]

Product data sheet

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SLV KALU 2.0, 1~ Spot, PHASE, zylindrisch, 3000 K, 10 W, 36°, weiß

SLV KALU 2.0, 1~ spot, PHASE, cylindrical, 3000 K, 10W, 36°, white

KALU 2.0 presents the decorative lighting classic in a new look. The clear design with interchangeable front rings and four lens options (15°, 24°, 36°, 60°) offers maximum...

€130.38 *

incl. tax, free shipping to Germany
[International shipping costs]

Product data sheet

Availability:

Currently not available

Lights with single-phase adapters