DIN Rail and Channel

Enicstra stocks the mounting and routing infrastructure used inside industrial control cabinets: 35 mm and 15 mm DIN rail in steel and aluminum, slotted wire duct (Panduit, Schneider, Klemsan), enclosed cable raceway, end stops, end brackets, and panel-mount adapters. These are the structural backbone of every UL 508A panel build, and the consumable items that cabinet builders go through quickly.

Brands carried include Phoenix Contact NS rail and NS perforated, Wago, Allen-Bradley 199 rail, Panduit Panduct (NE, NNC, F-series), HellermannTyton, Schneider Telequick wiring duct, KSS Slotted Duct, and Iboco wire duct. Obsolete DIN rail and channel — discontinued cross-sections, retired aluminum rail variants, end-of-life slotted-duct profiles — are sourced through our supplier network. Items ship from St. Louis with a 12-month functional warranty.

For obsolete rail, channel, or panel hardware, send the OEM part number or full dimensions for a quote within 1–2 business days.

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DIN Rail and Channel

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Buying guide

Choosing DIN Rail and Channel components

DIN rail and channel selection is straightforward but specific: rail type, length, material, and the matching end stops and duct sizes are not interchangeable across families. A panel laid out for 1.5" wire duct will not look right or route cleanly if 1" duct is substituted.

Specs to confirm before ordering:

DIN rail: type (35 mm top-hat is most common — TH35; G-rail is legacy; TS15 mini-rail is uncommon)
DIN rail material: zinc-plated steel (standard), stainless steel (corrosive environments), aluminum (lightweight)
DIN rail perforated vs. solid — perforated is easier to cut and mount components on stand-offs
Rail length — typically 1 m or 2 m bars, cut to length on installation
Wire duct width and depth: 1" × 1", 1.5" × 2", 2" × 3", 3" × 4", and metric equivalents
Wire duct color: gray (most common), white (newer panels), black (for visual contrast)
Slot type: standard slot, narrow slot (for thin wires), or solid wall
Cover style: snap-on, hinged, or screw-down
End stops, end brackets, and rail jumpers compatible with the rail family

Common gotchas: 35 mm top-hat rail is universal but rail height (7.5 mm vs. 15 mm) matters for some larger components like motor starters — using the wrong height makes the component sit at the wrong depth from the mounting plate, interfering with adjacent components. Wire duct sized too small forces wires to bend tightly and stresses insulation; conservative sizing (50% fill ratio) avoids this. End stops are critical on heavy components like contactors and PSUs — without them, vibration and gravity migrate the component along the rail.

Typical applications: rail mounting for terminal blocks, breakers, contactors, PLCs, drives, and power supplies; wire duct for routing field wires from terminal blocks to components; end-of-rail terminations and component anchoring. For panel rebuilds, matching the existing rail family preserves component mounting compatibility.

For obsolete DIN rail and channel, send the OEM part number or full dimensions for a sourcing quote.

Related categories Frequently asked questions

Do you stock obsolete DIN rail and wire duct profiles?

Yes. Discontinued aluminum rail variants, retired Panduit NE codes, end-of-life Klemsan slotted duct, and earlier Iboco profiles are sourced through our supplier network where surplus exists.

What is the difference between TH35 and G-rail?

TH35 (top-hat 35 mm) is the modern global standard for almost all industrial components. G-rail is a legacy profile still found on older panels and required by some specific components. Match to existing rails — they are not interchangeable.

Perforated vs. solid DIN rail — which should I use?

Perforated is the modern default — easier to cut, accepts standoff screws for stand-up mounting of larger components, and lighter. Solid rail still meets the standard and is sometimes preferred for grounding bonding to the panel plate.

How do I size wire duct?

Sum the cross-sectional area of all wires expected in the duct, and size so that fill is 40–50% of the duct interior cross-section. Tighter fill makes adds difficult and stresses wires. NEC has formal fill limits for raceway use.

Can I cut rail and duct to length?

Yes — both are typically cut on a bench with a hacksaw or chop saw, and deburred. We supply standard bar lengths (1 m or 2 m); custom-cut lengths can be quoted on request but at additional cost.

What is the warranty?

12-month functional warranty on rail and duct hardware. Damage from over-tightening end stops or mechanical abuse is not covered.