HILTI BT-ER HL Electrical Connector Instruction Manual

September 14, 2024
HILTI

HILTI BT-ER HL Electrical Connector

INSTRUCTION MANUAL

3.2.15.6A S-BT-ER HL AND S-BT-EF HL ELECTRICAL CONNECTION SYSTEMS

3.2.15.6.1A Product description

S-BT-ER HL stainless steel screw- in threaded studs and S-BT-EF HL carbon steel screw-in threaded studs are designed for electrical connections under permanent current, short circuit current, and lightning current conditions. Packaged with two stainless steel nuts and one stainless steel lock washer, the S-BT-ER HL can be used for electrical grounding such as bonding and lightning protection under corrosive environments.

The S-BT-EF HL is similarly packaged with two carbon steel nuts and one carbon steel lock washer to be used in non-corrosive environments. High current versions of the S-BT-ER HL and S-BT-EF HL are also available (S-BT-ER HC HL and S-BT-EF HC HL), which are packaged with one nut, one lock washer, and one copper alloy conductivity disc. Additionally, standoff adapters are available for combination with the S-BT-ER W10/15 SN 6. The Hilti standoff adapter W10-MR is stainless steel and can be used for standard currents, while the W10-HC 4/0 standoff adapter is a copper alloy, for high current connections.

Product Features and benefits

  • No propellants required.
  • No through penetration of steel base materials 1/4″ and thicker.
  • Little to no rework of coated steel required for non-through hole applications with base material thickness larger than 1/4”.
  • Fastening options available for both stainless and carbon steel materials.
  • Easier removal — S-BT fasteners are removable.

3.2.15.6.2A Material Specifications

3.2.15.6.1A Product description
3.2.15.6.2A Material specifications
3.2.15.6.3A Technical data
3.2.15.6.4A Installation instructions
3.2.15.6.5A Ordering information

3.2.15.6.3A Technical data

Application examples

Functional and protective bonding of pipes (outer diameter of installed surface ≥ 5.9”).
Only for Type A cable connections

Protective bonding circuit – double point connection

Functional bonding and terminal connection in a circuit

For permanent current (leakage current) due to static charge built up in pipes or when closing an electrical circuit.

Recommended maximum cross section of connected cables according to IEC 60947-7-2 and IEC 60947-7-1
Fastening of thicker cable is acceptable, if the maximum allowable permanent current is not exceeded and the provisions on cable lug thickness are observed.

Protective bonding circuit

For discharging short circuit current while protecting electrical equipment or earth / ground cable trays and ladders.

Recommended maximum cross section of connected cables according to IEC 60947-7-2 and IEC 60947-7-1 or UL 467, dependent upon standard used.
Fastening of thicker cable is acceptable, if the maximum allowable permanent current is not exceeded and the provisions on cable lug thickness are observed.

Lightning protection

For high temporary current due to lightning.

Application requirements

Base material thickness tII ≥ 6 mm

Thickness of base material corrosion protection layer ≤ 0.0315″ (0.8 mm). For thicker coatings, please contact Hilti.

For connections with High Current (HC) standoff adapter and connections with High Current (HC) conductivity disc, the High Current (HC) adapter or High Current (HC) con-ductivity disc must be in direct contact with non-coated base material. For coated materials, the coating must be removed with the coating removal drill bit.

Cable lug characteristics and connector types

Cable lug thickness tcl and inner hole diameter d2

S-BT HL Electrical Technical Supplement Guide

Torque recommendation

For single point connections with high current (HC) standoff adapter or high current (HC) conductivity disc, the, conductivity disc or standoff adapter W10-HC 4/0 must be in direct contact with an uncoated portion of the base material or the portion of the base material where coating has been removed.

These are abbreviated instructions, which may vary by application. Always review and follow the instruction accompanying the product.

Spacing and edge distances:
Edge distance:
Type A connector: ≥ 0.236” (6 mm)
Type A connector with standoff adapter: ≥ 0.591” (15 mm) Type B connector: ≥ 0.787” (20 mm)

Spacing:
Type A connector: ≥ 0.866” (22 mm)
Type A connector with standoff adapter: ≥ 1.181” (30 mm) Type B connector: ≥ 1.575” (40 mm)

3.2.15.6.5A Ordering information1

Ordering Designation Description Item No.

Electrical Connections 2
S-BT-ER W10/15 SN 6 HL| Stainless steel threaded stud for electrical connections (Includes two nuts and one lock washer for each stud)| 2346075
S-BT-EF W10/15 AN 6 HL| Carbon steel threaded stud for electrical connections (Includes two nuts and one lock washer for each stud)| 2346072
S-BT-ER W10 HC 4/0 HL3| Stainless steel threaded stud for high current electrical connections (Includes one nut, one lock washer, and one conductivity disc for each stud)| 2346080
S-BT-EF W10 HC 4/0 HL3| Carbon steel threaded stud for high current electrical connections.  (Includes one nut, one lock washer, and one conductivity disc for each stud)| 2346078
Standoff Adapters
Standoff Adapter W10-MR 50| Stainless steel standoff adapter for 50 mm standoff| 2281191
Standoff Adapter W10-MR 75| Stainless steel standoff adapter for 75 mm standoff| 2394869
Standoff Adapter W10-MR 100| Stainless steel standoff adapter for 100 mm standoff| 2395330
Standoff Adapter W10-HC 4/0 50| Copper alloy standoff adapter for 50 mm standoff of high current electrical connections| Contact Hilti
Standoff Adapter W10-HC 4/0 100| Copper alloy standoff adapter for 100 mm standoff of high current electrical connections| Contact Hilti

1 Ordering information for tooling and accessories can be found on page 89 of Hilti Direct Fastening Product Technical Guide.
2 Each box of studs includes one stepped drill bit (de-coating bit for HC designated studs) and instructions for use.
3 Specialized check gauge included in each box

In the US:
Hilti, Inc.
7250 Dallas Parkway, Suite 1000, Plano, TX 75024
Customer Service: 1-800-879-8000
en español: 1-800-879-5000
Fax: 1-800-879-7000
www.hilti.com

In Canada:
Hilti (Canada) Corporation
2201 Bristol Circle, Oakville ON | L6H 0J8
Canada
Customer Service: 1-800-363-4458
Fax: 1-800-363-4459
www.hilti.ca

Hilti is an equal opportunity employer.
Hilti is a registered trademark of Hilti Corp.
©Copyright 2024 by Hilti, Inc.

The data contained in this literature was current as of the date of publication. Updates and changes may be made based on later testing. If verification is needed that the data is still current, please contact the Hilt Technical Support Specialists at 1-800-879-8000 (U.S.) or 1-800-363-4458 (Canada). All published load values contained in this literature represent the results of testing by Hilti or test organizations. Local base materials were used. Because of variations in materials, on-site testing is necessary to determine performance at any specific site.

Specifications:

  • Product Name: S-BT HL Electrical Technical Supplement Guide

  • Material Specifications:

    • Corrosion resistant stainless steel S 31803 (1.4462), zinc coated
    • Carbon steel 1038 duplex coated
    • SN12-R, Corrosion resistant stainless steel S 31603 (1.4404)
    • Corrosion resistant stainless steel grade A4 / AISI 316
    • Carbon steel HDG
    • Chloroprene runner CR 3.1107, black
    • FKM
    • 1.4401 (Grade 316) Stainless Steel
    • Copper alloy CuSn8 (tin coated)
  • Maximum allowable permanent current: 269 A

  • Maximum Cable: 4/0 AWG copper

  • Recommended maximum cross section of connected cables: IEC 60947-7-2 and IEC 60947-7-1 standards

  • Expiration Date: July 2024

FAQ:

What is the expiration date of the product?

The expiration date of the product is July 2024.

What are the recommended maximum cross-section standards for connected

cables?

The recommended maximum cross-section standards for connected cables are based on IEC 60947-7-2 and IEC 60947-7-1.

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