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Copper compression lug with long barrel and half-inch stud hole

Burndy

Burndy YAD27M12E12 One-Hole Compression Lug 3/0 AWG 1/2 in Stud Long

SKU CH-37S0-1Y9TN

One-hole compression lug for 3/0 AWG copper wire with 1/2 inch stud and long barrel

  • Product typeElectrical Connectors
  • Rated for 600 V maximum voltage
  • Withstands 302 °F operating temperature
  • Tin-plated copper contact resists corrosion
  • Brazed barrel adds mechanical strength
  • Long 0.79 in barrel ensures secure crimp

One-hole compression lug for 3/0 AWG

The Burndy YAD27M12E12 is a single-stud copper lug built for 3/0 AWG conductors in industrial and automotive electrical systems. It suits installers who need a reliable crimp termination on heavy-gauge cable without insulation or colour coding.

Capacity and headroom at 600 V and 302 °F

The lug accepts exactly 3/0 AWG wire with a long 0.79 in brazed barrel and a 0.95 in tongue, rated for 600 V and a maximum operating temperature of 302 °F. It provides no headroom for larger conductors or multi-hole mounting patterns.

Thermals noise and power draw in normal use

As a passive copper component with tin-plated contacts, it generates no noise and draws no power; heat rise depends entirely on the current carried through the crimped joint and the quality of the installation.

How it compares

Measured against everything we stock in Wire, Cable & Wiring Supplies, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 75% of the 1,610 comparable items (median $25.99).

Specifications

Product
Brand nameBURNDY
Product typeElectrical Connectors

Questions about this item

Will the 3/0 AWG lug fit the existing 1/2 in stud on my bus bar?

Yes, the lug is drilled for a 1/2 in stud and accepts 3/0 AWG wire, so it matches that hardware directly.

How can I confirm the crimp is solid after installation?

A proper crimp tool for 3/0 AWG will fully seat the .79 in long brazed barrel; inspect for a uniform indent and no wire strands visible at the barrel ends.

Does the package include mounting bolts or heat-shrink tubing?

The lug ships bare with a tin-plated copper barrel only; bolts, washers and any insulation must be purchased separately.

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