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Bare copper compression lug with long barrel and single 3/8 inch stud hole

Burndy

Burndy YAD27M10E38 One-Hole Compression Lug 3/0 AWG 3/8 in Stud Long

SKU CH-3E40-GGHQ7

One-hole compression lug accepts 3/0 AWG copper wire, features a 3/8 in stud hole and long barrel for secure crimp terminations up to 600 V

  • TypeElectrical Connectors
  • Rated for 600 V maximum voltage
  • Operates up to 302 °F continuous temperature
  • Brazed barrel construction adds mechanical strength
  • Tin-plated copper contact resists corrosion
  • UL 467 listed for grounding applications

One-Hole Compression Lug 3/0 AWG

This copper lug accepts a single 3/0 AWG conductor and terminates on a 3/8 inch stud. The long barrel provides extended crimp area for secure connections in power distribution panels, heavy equipment and automotive battery cables. Tin plating protects the contact surface from corrosion in harsh environments.

Thermals Noise Power Draw

Rated for continuous operation up to 302 degrees F and 600 volts, the bare copper barrel dissipates heat directly without insulation barrier. No active cooling or moving parts are present, so acoustic output is zero and the component draws no power of its own. Voltage drop across the crimp remains minimal when installed to specification.

UL 467 Listed Brazed Barrel

The brazed seam prevents barrel separation under high current or vibration, while the UL 467 listing confirms suitability for grounding and bonding applications. Tin finish eliminates the need for separate anti-oxidant compound during installation. Compatible with standard 3/0 AWG crimp tooling and matches Grainger part references 22P219 and 22P221 for cross-reference convenience.

Highlights

  • Rated for 600 V maximum voltage
  • Operates up to 302 °F continuous temperature
  • Brazed barrel construction adds mechanical strength
  • Tin-plated copper contact resists corrosion
  • UL 467 listed for grounding applications

Specifications

BrandBURNDY
TypeElectrical Connectors

Questions about this item

How do I install the YAD27M10E38 compression lug and what step is most often done wrong?

Strip the 3/0 AWG conductor, insert it fully into the .79 in brazed barrel, then crimp with a die matched to the 27 index; the step most often missed is verifying full insertion before crimping.

What maintenance or replacement will this lug need later?

Inspect the tin-plated copper contact for oxidation or overheating signs at each service interval; replace the lug if the barrel shows cracking or the 3/8 in stud hole elongates.

What limit appears first when the lug runs at continuous load?

The 302 Degrees F maximum operating temperature is the first limit reached under sustained current; ensure the 600 V rating and crimp quality keep the joint below that threshold.

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