CT-SL42-600 Stacked Mechanical Lug — 4-Conductor, 2-Hole, Dual-Rated AL/CU, 2 AWG–600 kcmil
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SKU: CT-SL42-600
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The Conversions Tech CT-SL42-600 is a dual-rated stacked mechanical lug that terminates up to four aluminum or copper conductors at a single two-hole pad. The stacked two-tier port arrangement minimizes connector width, freeing gutter space in panelboards, switchboards, transformer cabinets, and service-entrance equipment. The body is machined from high-strength extruded aluminum alloy and electro tin-plated for low contact resistance and corrosion protection with both aluminum and copper conductors.
Key Specifications
| Catalog Number | CT-SL42-600 |
| Connector Type | Stacked, set-screw mechanical lug |
| Conductor Range (AL & CU) | 2 AWG Str. – 600 kcmil, Class C stranded |
| Number of Conductors | 4 independent ports |
| Voltage Rating | 600 V (2,000 V max per UL 486B) |
| Mounting | Two-hole pad, 3/8 in studs on 1.38 in centers, Ø0.41 in holes |
| Set Screws | 4 × hex socket (Allen) |
| Installation Torque | 375 in-lb |
| Material / Plating | High-strength extruded aluminum alloy, electro tin-plated |
| Temperature Rating | 194°F (90°C) |
| Dimensions (L × W × H) | 4.91 × 2.49 × 3.03 in (125 × 64 × 77 mm) |
| Tongue | Straight, 2.31 in W × 0.75 in thick |
| Certifications | UL Listed 486A-486B • CSA Certified • RoHS Exempt (EX) |
Accepted Conductor Sizes
Aluminum (incl. ACSR kcmil sizes): 2, 1, 1/0, 2/0, 3/0, 4/0 AWG; 250, 266, 300, 336, 350, 397, 400, 450, 477, 500, 550, 556, 600 kcmil
Copper: 2, 1, 1/0, 2/0, 3/0, 4/0 AWG; 250, 300, 350, 400, 450, 500, 550, 600 kcmil
Features
- Dual-rated — aluminum or copper conductors, any mix of ports
- Four ports consolidate parallel-run terminations at one pad
- Stacked tiers minimize connector width and gutter fill
- Two-hole pad resists turning under torque
- Chamfered port entry eases conductor insertion
- Single-tool install — hex socket screws at 375 in-lb
Cross-Reference
| Manufacturer | Catalog No. | Notes |
| Burndy® | K22A36U2 | Direct equivalent — same stacked format and 1.38 in mounting centers |
| NSi Industries | 600T-4 | Functional equivalent — 1.75 in NEMA hole spacing |
| ILSCO | T4A4-600N | Functional equivalent — flat 4-port, multi-hole pad, 1/2 in bolts |
Trademarks are property of their respective owners and used for cross-reference identification only. Verify pad geometry and stud size before substitution.
Install per NEC and applicable local codes. Torque with a calibrated tool per UL 486A-486B. Wire brush aluminum conductors and apply oxide inhibitor at all aluminum terminations. Not listed for direct burial.
Why Pros Buy Direct from Conversions Tech
Engineered in the USA. Our U.S.-based engineering team designs and specifies our core product lines, and every product we carry — designed in-house or built to our exact specifications by certified partner factories — is quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
