What it is and how it is builtThe AST-TRK-H-SC-WH is the
straight connector of the TUROLIGHT ASTELLA track system — the small but essential coupler that links two lengths of
H-type single circuit track in a straight line. Inside the housing, copper contacts pick up the conductors of both track sections and transfer line, neutral and ground across the joint, which is why the installation instructions insist on preparing the correct grounding tab: the tabs must be set before the connector slides onto the NON-GROUND conductor side of the track section you are joining. If the wrong tab has been removed, the sheet is blunt — do not use the connector, because grounding will not be maintained. The white finish is matched to the white AST track so the seam is discreet on a white ceiling or wall.
Technical specificationsSKU: AST-TRK-H-SC-WH
Brand: TUROLIGHT
System: ASTELLA Track System, H-type, single circuit
Voltage: 120V, 60Hz
Current rating: 20A
Conductors: 1 way (P + N + PE)
Class: Class I
Ingress protection: IP20
Finish: White
Applicable models: AST-TRK
Installation and electrical detailsStart by shutting off the power at the main panel — the instructions call for it before installing any track or accessory. The track is mounted first: position it over the outlet box, mark the mounting holes on the ceiling or wall, and fasten it with the supplied toggle bolts on drywall or plaster (5/8 holes), or with standard #10 wood screws on wood surfaces, with the plain underside of the track facing the ceiling or wall. Local installation requirements must be respected. Before sliding this connector into the open end of a track section, loosen the set screws on the connector, then tighten them once it is fully seated. Wiring at the live feed connectors is done with 3/8 of insulation stripped and the conductors secured to the screw terminals — no need to wrap the wire around the screw. Finish the job by sliding dead-end caps into ALL remaining open ends of the track and tightening the set screws before power is restored.
Compatibility across the ASTELLA familyThis connector belongs to a full set of ASTELLA H-type single circuit accessories listed on the instruction sheet: live end connector AST-TRK-H-LEC, end connector AST-TRK-H-EC, X connector AST-TRK-H-XC, L connector AST-TRK-H-LC, mini joiner AST-TRK-H-MJ, T connector AST-TRK-H-TC, this straight connector AST-TRK-H-SC and floating connector AST-TRK-H-FC. Mix them to build the geometry your room needs, then load the run with lampholders: to attach a head, align the polarity lines of the track and of the lampholder, push the top of the mounting adapter with its contact tabs into the track slot and turn it 90°. If the adapter does not turn easily, do not force it — turn the other way. For safety, only fixture assemblies marked for use with TUROLIGHT track should be installed.
Where it goes to workThink of a boutique in Montréal where the display wall is longer than a single section of track, a Toronto office lobby with a long reception counter, a café that wants one clean line of
track lighting heads over the service bar, or a basement renovation where a continuous run replaces scattered
pot lights. Keep a couple of these connectors on the truck: they turn any combination of
4 ft,
6 ft,
8 ft and
12 ft AST track into one seamless line, and a black version of the track is also available for darker ceilings. The installation instructions for the AST-TRK family, with the full connector chart and the lampholder mounting steps, are available as a PDF in the Documentation tab.