ABB Installation Products 756LR-K0250 35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and…
UPC: 783786353316
Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 35kV 600 Series Deadbreak Elbow
- Features integrated test point
- Accommodates 1.090" to 1.310" cable insulation diameter
- Includes insulated plug, cap, stud, lug, and cable adapter
- Aluminum compression lug for secure conductor connection
Specifications
Amperage Rating | 600 A |
Application | 35 kv, 600 Amp |
Color | Black |
Conductor Range | 2/0 STR/COMPR AWG , 3/0 SOL/COMPT AWG |
Connection | Compression |
Environmental Conditions | Fully Submersible |
Insulation | True |
Material | Housing - EPDM-Rubber |
Special Features | 35kV, 600 Amp Loadbreak Elbow. Fully shielded, fully submersible molded rubber housing. 100 percent peroxide-cured construction includes insulation and conductive EPDM materials. Can be easily connected or disconnected using standard hand tools and equipment in a de-energized state |
Standard | ANSI/IEEE Standard 386 |
Temperature Rating, Maximum | 149 F |
Temperature Rating, Maximum | 65 C |
Temperature Rating, Minimum | -40 F |
Temperature Rating, Minimum | -40 C |
Type | Deadbreak Elbow Connector with Test Point |
Voltage Rating | 35 kV |
Width | 12.28 in |
Width | 311.912 mm |
Package Dimensions (L x W x H) | 0.01 IN x 0.01 IN x 0.01 IN |
Package Dimensions (L x W x H) | 0.0254 cm x 0.0254 cm x 0.0254 cm |
Package Weight (Imperial) | 8.9000 L |
Package Weight (Metric) | 4.0370 kg |
756LR-J0250
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Aluminum Compression Lug. Cable Insulation Diameter 0.980 inch to 1.180 inch. Conductor Size AWG or kcmil, Compressed Stranded 2/0 /Compacted Solid 3/0 /mmSquared Compact 70.756LR-J0270-SG3
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Aluminum Compression Lug. Cable Insulation Diameter 0.980 inch to 1.180 inch. Conductor Size AWG or kcmil, Compressed Stranded 4/0 /Compacted Solid 250 /mmSquared Compact 125. Cold Shrinkable Seal with Copper Braid and Constant Force Spring Included.756LR-J0270
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Aluminum Compression Lug. Cable Insulation Diameter 0.980 inch to 1.180 inch. Conductor Size Compressed Stranded 4/0 AWG or Compacted Solid 250 kcmil or mmSquared Compact 125.756LR-J2230-SG3
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Copper Compression Lug. Cable Insulation Diameter 0.980 inch to 1.180 inch. Conductor Size AWG or kcmil, Compressed Stranded #1 /Compacted Solid 1/0. Cold Shrinkable Seal with Copper Braid and Constant Force Spring Included.756LR-K0260-S
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Aluminum Compression Lug. Cable Insulation Diameter 1.090 inch to 1.310 inch. Conductor Size AWG or kcmil, Compressed Stranded 3/0 /Compacted Solid 4/0 /mmSquared Compact 95. Cold-Shrinkable Jacket Seal Included.756LR-K0240
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Aluminum Compression Lug. Cable Insulation Diameter 1.090 inch to 1.310 inch. Conductor Size AWG or kcmil, Compressed Stranded 1/0 /Compacted Solid 2/0.756LR-M0300
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Aluminum Compression Lug. Cable Insulation Diameter 1.370 inch to 1.630 inch. Conductor Size AWG or kcmil, Compressed Stranded 350 /Compacted Solid 400 /mmSquared Compact 185.756LR-M0320-S
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Aluminum Compression Lug. Cable Insulation Diameter 1.370 inch to 1.630 inch. Conductor Size AWG or kcmil, Compressed Stranded 450 /Compacted Solid 500/550. Cold-Shrinkable Jacket Seal Included.Frequently Asked Questions
What is the maximum operating voltage for this deadbreak elbow?
The ABB 756LR-K0250 deadbreak elbow is rated for 35kV, making it suitable for medium voltage applications.
What cable insulation diameters can this elbow accommodate?
This deadbreak elbow is designed to fit cable insulation diameters ranging from 1.090 inches to 1.310 inches.
What conductor sizes are compatible with this elbow?
It supports Compressed Stranded 2/0, Compacted Solid 3/0, and mmSquared Compact 70 conductor sizes.
Does this deadbreak elbow include a test point?
Yes, the ABB 756LR-K0250 features an integrated test point for system diagnostics.
What components are included with this deadbreak elbow kit?
The kit includes an insulated plug, cap, stud, lug, and cable adapter, along with an aluminum compression lug.
How to Install 756/776LR Deadbreak Elbow Connectors
This guide provides step-by-step instructions for the safe installation and wiring of 756/776LR Deadbreak Elbow Connectors on 35kV class systems, ensuring fully shielded and submersible connections.
Estimated time: 1h 30m
Tools needed:
Wire strippers, Cutting tool, Wire brush (for aluminum conductors), Crimping tool, Torque wrench
Supplies needed:
756/776LR Elbow, Cable Adapter, Compression Lug, Lubricant, Threaded Stud (from Stud Prepack), Insulating Plug (if used as mating part), Voltage Detection Cap (if insulating plug used), Grounding wire (No. 14 AWG Copper or equivalent), Suitable ground connector, Waterproofing material (recommended), HV insulated caps/connectors (if not immediately connected)
- Prepare the Cable Position and Length
DANGER: Ensure all apparatus is de-energized during installation or removal of parts. Position the cable in its final assembled location, allowing enough slack for elbow removal. Cut the cable 1-3/4 inches (45mm) from the centerline of the mating product.
- Clean the Cable Outer Jacket
Clean the outer jacket of the cable for a distance of 24 inches (610mm).
- Prepare the Cable Ends
Prepare the cable according to its type (e.g., Unishield, Lead Sheath, Jacketed, Non-Jacketed). For jacketed and non-jacketed cables, remove the outer jacket (if applicable), shield wires, and semi-con shield to expose the cable insulation and conductor as specified in the product's detailed diagrams, typically involving measurements like 10-3/8 inches (264mm), 11-3/8 inches (289mm), and 13-5/8 inches (340mm) from the end.
- Install the Cable Adapter
Bevel the end of the cable insulation at a 45-degree angle, approximately 1/4 inch (6mm) back. Thoroughly clean and then lubricate the cable insulation, working towards the semi-con shield. Install the cable adapter, small end first, until it is flush with the edge of the tape marker.
- Trim Cable Insulation and Verify Conductor Length
Carefully remove any protruding cable insulation, cutting it even with the end of the cable adapter. Ensure not to cut or nick the cable adapter or the conductor. Verify that the exposed conductor length is between 4-3/8 inches (111mm) and 4-3/4 inches (121mm). If not, re-do the assembly.
- Install and Crimp the Compression Lug
For copper conductors, fully insert the conductor into the compression lug. For aluminum conductors, wire brush the conductor immediately before fully inserting it into the lug. Measure the 'Check Dimension' before crimping; this dimension must be less than 7 inches (178mm). Crimp the compression lug according to its specific instructions. After crimping, wipe off any excess inhibitor and verify the distance from the end of the compression lug to the cable adapter is between 6-7/8 inches (175mm) and 7-5/8 inches (194mm).
- Install the Elbow onto the Cable Adapter
Lubricate the cable adapter and the inside of the elbow's cable entrance. Install the elbow onto the cable adapter, pushing until it cannot advance further. Confirm the cable adapter remains flush with the tape marker; reposition if necessary. Finally, remove the tape marker.
- Prepare Mating Products for Connection
DANGER: Do not connect or disconnect mating products while energized, and do not energize while disconnected. Remove protective caps from both the elbow and the mating part. If the mating part lacks a stud, hand-tighten the threaded stud supplied with the elbow into it. Clean and lubricate both the elbow and the mating part with the provided lubricant, ensuring all surfaces remain clean.
- Connect the Elbow to the Mating Part
Push the elbow onto the mating part, carefully aligning the hole in the compression lug with the stud on the mating part.
- Secure the Opposite End Mating Part
Clean and lubricate the mating part intended for the opposite end of the elbow. Insert this mating part into the elbow, engage the threads, and hand tighten. Torque the mating part to the specifications provided in its own instructions.
- Install Insulating Plug and Voltage Detection Cap (If Applicable)
If using an insulating plug as a mating part, clean and lubricate the inner surface of the voltage detection cap. Place the cap onto the elbow and push down firmly until it snaps into place. CAUTION: The insulating plug provides a means for detecting system voltage; refer to the VOLTAGE TEST section in the product documentation for proper use.
- Ground the Cable Shield
Insert one end of a wire (at least No. 14 AWG Copper ampacity) through the grounding eye and twist to form a small loop, taking care not to damage the eye. Connect this wire to ground using a suitable connector. Ensure the cable shield is properly grounded, either via a grounding device's instructions or an alternate method. It is also recommended to waterproof the cable jacket at this point to prevent moisture ingress.
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