3M™ Mechanical Shearbolt Connectors QCI

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Stepless shearbolt barrel and contact pad ensures optimun contract pressure for reliable performance and mechanical pull-out strength

Built-in center stop enables correct positioning

Ideal for connecting copper, aluminum or transition from copper to aluminum conductors

Frequently viewed resources

Tech Data Sheet (PDF, 95KB)User Instructions (PDF)

Maximum Conductor Size (Metric)

Maximum Conductor Size (Imperial)

Minimum Conductor Size (Metric)

Outer Diameter (Metric)

Minimum Conductor Size (Imperial)

Outer Diameter (Imperial)

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Diagram of 3M Mechanical Shearbolt QCI showing the various stages of bolt installation.

Details

Highlights

Stepless shearbolt barrel and contact pad ensures optimun contract pressure for reliable performance and mechanical pull-out strength
Built-in center stop enables correct positioning
Ideal for connecting copper, aluminum or transition from copper to aluminum conductors
Size 5.12-in x 1.3-in O.D
Accommodates wire size of 1/0 AWG to 350 kcmil (stranded)
Made of aluminum for good conductivity and has corrosion-resistant tin plating
Withstands a maximum temperature of 221 °F (105 °C)
Rated for 35 kV voltage applications

3M™ QCI Shearbolt Splice Connector is ideal for connecting aluminum, copper and aluminum to copper conductors. Its aluminum construction offers high conductivity and an electro tin plated finish resists corrosion. Tapered ends enable smooth splice body transition from the connector to the cable. For applications up to 69 kV and withstands temperatures of 221 °F (105 °C).

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3M™ QCI Shearbolt Splice Connector is a mechanical screw connector with stepless shear bolts. The stepless shear bolt shears at the same location regardless of AWG or metric conductor and comes with a centering ring for smaller conductors. In addition to the stepless shear, the bolt employs a contact disk end which avoids damage to the conductor strands while providing increased contact force. The connector is compatable for use with 3M Cold Shrink QSIII and QS4 Medium Voltate Splices. Its built in center stop allows for correct positioning. The connector meets the requirements of ANSI 199.4, class 2 pull out and RoHS 2011/65/EU Compliant.

Typical properties

Details

Electrical Connector Type	Shearbolt Connectors
Maximum Conductor Size (Imperial)	250 kcmil, 350 kcmil, 600 kcmil, 750 kcmil, 1000 kcmil, 1250 kcmil
Maximum Conductor Size (Metric)	120 mm², 185 mm², 300 mm², 400 mm², 500 mm², 633 mm²
Minimum Conductor Size (Imperial)	2 AWG, 1/0 AWG, 4/0 AWG, 350 kcmil, 500 kcmil, 1000 kcmil
Minimum Conductor Size (Metric)	35 mm², 50 mm², 120 mm², 185 mm², 240 mm², 500 mm²
Outer Diameter (Imperial)	1.1 in, 1.3 in, 1.5 in, 1.65 in, 2.05 in
Outer Diameter (Metric)	27.9 mm, 33 mm, 38.1 mm, 41.9 mm, 52.1 mm
Product Type	Connector

Resources

3M™ Shearbolt Connectors and Lugs

Regulatory Data Sheet

Document Number: MSDS_3488715_US_EN_RDS

(PDF)

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	Current product 3M™ Mechanical Shearbolt Connectors QCI	3M™ Mechanical Shearbolt Two-Hole Lug QL2 Series	Shearbolt One-Hole Lug QLS Series
Maximum Conductor Size (Imperial)	250 kcmil, 350 kcmil, 600 kcmil, 750 kcmil, 1000 kcmil, 1250 kcmil
Maximum Conductor Size (Metric)	120 mm², 185 mm², 300 mm², 400 mm², 500 mm², 633 mm²
Minimum Conductor Size (Metric)	35 mm², 50 mm², 120 mm², 185 mm², 240 mm², 500 mm²
Outer Diameter (Metric)	27.9 mm, 33 mm, 38.1 mm, 41.9 mm, 52.1 mm
Minimum Conductor Size (Imperial)	2 AWG, 1/0 AWG, 4/0 AWG, 350 kcmil, 500 kcmil, 1000 kcmil
Outer Diameter (Imperial)	1.1 in, 1.3 in, 1.5 in, 1.65 in, 2.05 in

For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.